Asko D3731 User Manual

ASKO  
USE AND CARE GUIDE  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE  
D3731  
CONTENTS  
BEFORE USING YOUR NEW DISHWASHER  
IMPORTANT SAFETY INSTRUCTIONS  
CHILD SAFETY TIPS  
2
2
2
DISHWASHER FEATURES  
DETERGENT DISPENSER  
3
4
DISHWASHING DETERGENT  
RINSE AID DISPENSER  
4
5
OPERATING INSTRUCTIONS  
CARE AND CLEANING  
6
9
OVERFILL PROTECTION  
ENERGY SAVING TIPS  
SOLUTIONS TO COMMON DISHWASHING PROBLEMS  
TROUBLESHOOTING  
WASHING SPECIAL ITEMS  
INDEX  
10  
10  
10  
11  
13  
15  
16  
ASKO PRODUCT WARRANTY  
Page 1  
DISHWASHER FEATURES  
NOTE: Deviations in features may occur, depending on the model.  
Upper Basket  
Spray Arms  
Lower Basket  
Detergent Dispenser  
Filter  
Rinse Aid Dispenser  
BASKETS  
Utensil Basket  
Upper Basket  
Glass  
insert  
Foldable  
plate insert  
Lower Basket  
Page 3  
DETERGENT DISPENSER  
ASKO dishwashers are designed to be energy efficient.  
Because the machine uses less water than conventional  
dishwashers, you also use less detergent and rinse aid.  
Generally, only one tablespoon of detergent is needed  
for a normal wash load. The amount of detergent needed  
for your dishes, however, could be more, depending on  
the hardness of the water in your area. Also, more heavily  
soiled items need more detergent. (See below.)  
Prewash Detergent  
Compartment  
Rinse Aid  
Level Indicator  
(not all models)  
Dispenser Lid  
Lever  
Main Wash  
Detergent  
Compartment  
Measure and place detergent for the main wash into the  
large detergent compartment. The detergent for prewash  
goes into the small compartment to the right of the main  
wash compartment. You should use one-half the amount  
of detergent for the prewash that you use for the main  
wash. The amount of detergent used for the main  
wash and prewash combined should never be over  
three tablespoons.  
Rinse Aid  
Compartment  
Detergent  
Compartment Lid  
WARNING!  
Dishwasher detergent is corrosive! Take care to  
keep it out of reach of children.  
Always add the detergent just before starting the  
dishwasher, otherwise it could get damp and won’t  
dissolve properly.  
NOTE:  
We recommend that you do not add  
prewash detergent for Quick or Glass  
wash programs.  
DISHWASHING DETERGENT  
We recommend that you use only unscented, granular  
automatic dishwashing detergent. Using the wrong  
detergent could cause flooding and/or damage your  
dishwasher. Do not use detergent that has been wet and  
is clumped. Also, check the expiration date on the  
container.  
below for the recommended detergent amounts based  
on water hardness. Remember, you should adjust the  
amount of detergent you use by small amounts until you  
find the correct amount.  
NOTE:  
We recommend that you do not add  
prewash detergent for the Quick or Glass  
wash programs.  
The amount of detergent needed can vary due to  
differences in water hardness. To determine the water  
hardness in your area, contact your local water utility or  
area water softening company. The harder the water,  
the more detergent you may need. Refer to the chart  
NOTE:  
If you use a dishwashing detergent with a  
rinse aid additive, you should not fill the  
rinse aid dispenser. This could cause a  
film on your dishes.  
RECOMMENDED DETERGENT AMOUNTS  
BASED ON WATER HARDNESS  
WATER HARDNESS  
DETERGENT AMOUNTS  
Soft  
Prewash  
1 teaspoon  
(0-3 grains per gallon)  
Medium  
Main wash  
Prewash  
1 to 1-1/2 tablespoons  
1 teaspoon  
1 to 2 tablespoons  
1 teaspoons  
(4-8 grains per gallon)  
Hard  
Main wash  
Prewash  
(9+ grains*)  
2 to 3 tablespoons  
Main wash  
* 12 grains and higher is extremely hard water. See below for more details.  
Twelve grains and higher is extremely hard water and  
be removed by replacing the prewash detergent with  
two tablespoons of citric acid. If the water is very hard,  
use a rinse aid that contains citric acid.  
detergent alone may not be enough. You may need to  
use a water softener to maximize the performance of  
your dishwasher. Also, in areas with hard water (9+) you  
may need to wash at lower temperatures to prevent  
hard water deposits from forming in tank and wash  
system.  
Different brands of dishwasher detergent have different  
amounts of phosphorous for softening water. If you have  
hard water and use a detergent with less than 8.7%  
phosphorous content, you may need to use more  
detergent or use a detergent with more than 8.7%  
phosphorous content.  
In hard water areas, both the dishes and the machine  
can develop a white or gray film after a while. This can  
Page 4  
RINSE AID DISPENSER  
The rinse aid is released during the final rinse to prevent  
water from forming droplets on your dishes that can leave  
spots and streaks. It also improves drying by allowing  
water to “sheet” off the dishes.  
Open  
Closed  
ASKO dishwashers are designed to use liquid rinse  
aids. The rinse aid dispenser is located inside the door  
next to the detergent dispenser. (See illustration on page  
3.) To fill the dispenser, open the cap and pour the rinse  
aid into the dispenser up to the knob for dosage setting.  
The dispenser holds about four ounces of liquid rinse  
aid.  
Dispenser  
Cap  
1. To open the dispenser, turn the cap to the “open”  
(left) arrow and lift it out.  
Be careful not to overfill the dispenser, because this  
could cause oversudsing. Wipe away any spills with a  
damp cloth. Don’t forget to replace the cap before you  
close the dishwasher door.  
2. Pour the rinse aid into the dispenser, being careful  
not to overfill.  
3. Replace the cap by inserting it aligned with “open”  
arrow and turning it to the closed (right) arrow.  
If you have soft water, rinse aid may cause a white film to  
develop on your dishes. You may not need rinse aid.  
NOTE:  
If you use a dishwashing detergent with a  
rinse aid additive, you should not fill the  
rinse aid dispenser. This could cause a  
film on your dishes.  
ADJUSTING THE AMOUNT OF RINSE AID DISPENSED  
A measured amount of rinse aid is released during the  
final rinse. As with detergent, the amount of rinse aid  
needed for your dishes depends on the hardness of the  
water in your area. (See page 5.) Too much rinse aid  
can result in lather or foaming and cause cloudiness or  
streaks on your dishes. If the water in your area is very  
soft, you may not need rinse aid. If you do, you can  
dilute the rinse aid with an equal amount of water.  
The rinse aid dispenser has six settings. Always start  
with the dispenser set on “1.” If spots and poor drying  
are problems, increase the amount of rinse aid dispensed  
by removing the dispenser lid and rotating the dial to  
”2.” If the dishes still aren’t drying properly or are spotted,  
adjust the dial to the next higher number until your dishes  
are spot-free.  
To increase the amount of rinse aid released in the  
final rinse, turn the adjustment dial to the next  
higher number.  
Rinse aid  
adjustment dial  
NOTE: Only adjust the dial one number at a time.  
RINSE AID INDICATOR  
Model D3731 has an indicator in the display window  
that displays when the rinse aid dispenser is nearly  
empty. After you refill the dispenser, there may be some  
delay before this indicator goes out.  
Page 5  
OPERATING INSTRUCTIONS  
THE CONTROL PANEL  
Start/Stop  
button  
Your ASKO dishwasher has our state-of-the-art electronic control panel, as illustrated below.  
Program  
button  
Power  
button  
Display  
window  
Programming  
buttons  
DISPLAY WINDOW  
The display window shows the programs, options, remaining program time and fault codes. It also allows you to  
access the program menus and customize the wash programs. If you select Delayed Start, the window will display the  
number of hours selected. When you press Start/Stop, the countdown time displays.  
Remaining program time – The remaining program time is calculated by the time it took the program to run last time.  
(Note: The first time you run a program, the display will display 1:00.) As the program progresses, the time remaining  
displays the hour and minutes (e.g., 1:02, which means one hour and two minutes.)  
PROGRAMS  
To select a program, simply press the program button until the program you desire displays then press Start/Stop. The  
programs are described below. You can also change certain program features. See “Options” below.  
Heavy Wash (Cold, 85° – 170°/Sani F)  
Quick Wash (Cold, 85° – 140° F)  
For heavily soiled loads, such as pots, pans, casseroles,  
etc.  
For lightly soiled loads that are washed immediately  
after use. This program can also be used for delicate  
items, but you should set the temperature to low and  
dry the dishes without heat.  
Normal Wash (Cold, 85° – 170° F)  
For normally soiled loads, such as plates, glasses, bowls,  
and lightly soiled pans, use the  
Pots and Pans (Cold, 85°– 170° F)  
For the heaviest soiled loads, such as casseroles,  
sauce pans, etc.  
Normal wash program with 150°F and normal drying  
Rinse and Hold  
To rinse dishes that you plan to wash later that day.  
To save more water and energy use 130°F and economy  
drying.  
Glass Wash (Cold, 85°– 140° F)  
For glasses and delicate items, such as fine china and  
crystal, that are washed immediately after use. When using  
this program, you should set the temperature to low and  
dry the dishes without heat.  
OPTIONS  
Once you have selected a program, you can change some of the program features by using the options (described  
below). To select an option, simply press the Menu button until the option you desire displays, then press the Set  
button until the desired setting displays. Press Menu to confirm your selection. You can continue to make programming  
changes or press Start/Stop to start the program.  
Delayed Start  
Temperature  
This option allows you to delay starting the dishwasher  
from 1/2 hour to 24 hours. Press the Menu button until  
Delayed Start displays, then press Set until the number  
of hours you wish to delay starting the dishwasher  
displays along with a flashing clock symbol. Press Menu  
then press Start/Stop.  
The temperature can be changed in all programs, except  
Rinse and Hold. Your choices are: cold, 85°, 105°, 120°,  
130°, 140°, 150” 160°, and 170° F. (Note: The Glass ,  
Quick wash and Rinse & Hold programs cannot be set  
over 140° F.) To select a temperature, press the Menu  
button until Temperature displays, then press the Set  
button until the desired setting displays. Press Menu to  
confirm your selection.  
To cancel Delay after you press Start/Stop, hold down  
the Start/Stop button for three seconds. If you change  
your mind before you press Start/Stop, continue to press  
the Set button until “0:00” is displayed.  
When you select 170° F, the word “Sani” displays.  
Page 6  
Drying  
PROGRAM TIMES  
This lets you select how long the turbo fan runs after  
the final rinse. You have three options: Short, Economy  
or Normal drying. (Note: This option is not available  
with the Pots & Pans and Rinse and Hold programs.)  
To set the drying time, press Menu until “Drying”  
displays, then press Set until your preference displays.  
The program times may not always be the same  
because of variations in the household hot water  
temperature. The dishwasher heats the water to the  
proper temperature for the program selected; so if the  
temperature of the water entering the dishwasher is too  
low, the dishwasher will run longer because it takes  
longer to heat the water. Raising your water heater  
setting could help to shorten the cycle times.  
Express  
This option reduces the wash time and lowers the wash  
temperature by 20° F. (Note: This option is not available  
with the Quick Wash, Pots & Pans and Rinse and Hold  
programs.) Press Menu until Express displays, then  
press Set once to select On or twice to select Off. Press  
Menu to confirm your selection.  
INTERRUPTING A PROGRAM  
TO ADD AN ITEM  
If you want to interrupt a program to add an item, open  
the door slightly until the spray arms stop turning. You  
can then open the door fully and place the item into the  
dishwasher. Close the door securely. The program will  
continue from where it was interrupted.  
Super rinse  
The Super rinse option adds two extra rinses. This  
gives an even better rinsing result. The Super rinse  
option can be used in all programs except the Quick  
wash and Rinse and Hold programs. Press Menu until  
Super rinse displays, then press Set once to select On  
or twice to select Off. Press Menu to confirm your  
selection.  
WARNING! Be extremely careful when opening the  
door during a program. The water is hot and you  
could get scalded.  
CHANGING OR STOPPING A  
Cool Touch  
This option lets you set a cool-down cycle after the drying  
program (in all programs except Rinse and Hold). Press  
Menu until Cool Touch displays, then press Set once to  
select On or twice to select Off. Press Menu to confirm  
your selection.  
PROGRAM  
If you decide to change the program after you have started  
the machine, press the Start/Stop button for three  
seconds. You will have to select the program and options  
again when you are ready to restart the program. (Note:  
If the program has already gone through the wash cycle,  
you will have to add detergent.).  
POWER BUTTON  
Use this button to turn the main power to the unit on  
and off. The location of the power button is illustrated  
on page 6.  
START/STOP BUTTON  
Once you have selected the wash program and options,  
press this button to start the dishwasher. (Make sure  
the door is securely closed.)  
FAULT CODES  
In the event that the machine should fail during a  
program, the display window will show a fault code. The  
table below defines these codes and gives possible  
causes and solutions. See also “Troubleshooting” on  
page 13.  
If you have corrected the fault, turn the main power off  
then back on to remove the fault indication. If it still  
displays, try again to correct the problem or call a service  
technician.  
Display  
Type of Fault and Recommended Action  
Overfilling  
Too much water has entered the dishwasher. Call a service technician.  
Water Inlet Fault  
Inlet Valve Leakage  
Water Outlet Fault  
Blocked Filter  
Water inlet fault. Make sure the water supply is open.  
Valve leakage. Shut off the water supply and contact a service technician.  
The drain is blocked. See “Troubleshooting” on page 12.  
The filter is clogged. See “Cleaning the Filters” on page 9.  
Page 7  
SPECIAL SETTINGS MENU  
Model D3731 has several special settings available,  
as defined below. To access them, press the Menu  
button until “Special Settings” displays then press Set.  
Activating the Child-Safe Button  
This model can be programmed not to start unless the  
Start button is held down for three seconds.  
To set the child lock feature, follow the steps below:  
Language  
1. Press Menu until “Special Settings” displays then  
press Set.  
You can change the language in the display window to  
one of the following:  
2. Press Menu again until Child Lock displays.  
3. Press Set to turn the feature on.  
4. Press Menu to confirm your change.  
English  
French  
Swedish  
Danish  
German  
Italian  
5. Keep pressing Menu until the display says “Exit”.  
Next, press Menu once more and you will leave the  
Special Settings Menu.  
Norwegian  
Finnish  
Spanish  
Netherlands  
Russian  
A key symbol appears in the display when the child lock  
is active. To deactivate the child lock, press the Set and  
Menu buttons simultaneously. You can then select the  
program and options and press Start to start the unit.  
The child lock comes back on automatically after three  
minutes.  
To change the language, follow the steps below:  
1. Press Menu until “Special Settings” displays then  
press Set.  
2. Press Menu again until “Language” displays.  
3. Press Set until your language choice displays.  
4. Press Menu to confirm your selection.  
5. Keep pressing Menu until the display says “Exit”.  
Next, press Menu once more and you will leave the  
Special Settings Menu.  
To permanently deactivate the lock, repeat the above  
steps.  
Water Consumption  
You can view how much water the machine used the  
last time it was operated and how many times it has  
been used since it was new. To do this, follow the steps  
below.  
End-of-Program Buzzer Volume  
At the end of each program, a buzzer sounds. You can  
adjust the volume of the buzzer as follows:  
1. Press Menu until “Special Settings” displays then  
press Set.  
1. Press Menu until “Special Settings” displays then  
press Set.  
2. Press Menu again until “Buzzer” displays.  
3. Press Set until your volume preference displays.  
Your choices are 1 (softest) to 9 (loudest). A “0”  
indicates the buzzer is off.  
4. Press Menu to confirm your selection.  
5. Keep pressing Menu until the display says “Exit”.  
Next, press Menu once more and you will leave the  
Special Settings Menu.  
2. Press Menu again until “Water Consumption”  
displays.  
3. Press Set to view the water usage (in litres).  
4. Press Set again to view the number of times the  
machine has been used.  
5. Keep pressing Menu until the display says “Exit”.  
Next, press Menu once more and you will leave the  
Special Settings Menu.  
Celsius or Fahrenheit  
RESTORING FACTORY-  
You can change the temperature on the display window  
from Celsius to Fahrenheit and vice versa. To do this,  
follow the steps below:  
DEFAULT SETTINGS  
You can easily restore the factory default settings (except  
language) by following the steps below:  
1. Press Menu until “Special Settings” displays then  
press Set.  
1. Turn off the power. Wait approximately 5 seconds.  
2. Press Menu again until “°C” or “°F” displays.  
3. Press Set until your preference displays.  
4. Press Menu to confirm your selection.  
5. Keep pressing Menu until the display says “Exit”.  
Next, press Menu once more and you will leave the  
Special Settings Menu.  
2. Hold in the Program button while pressing the main  
power button.  
3. Release the program button.  
Page 8  
CARE AND CLEANING  
The interior of your ASKO dishwasher is made of  
surgical quality stainless steel that has been electro-  
polished to make it the smoothest surface available.  
The smooth surface prohibits the accumulation of dirt  
and bacteria inside the unit. If the water in your area is  
especially hard, however, lime deposits could form  
inside the machine. If this happens, you can remove  
them by putting two tablespoons of citric acid in the  
detergent compartment and running a Normal program.  
In extremely hard water areas you may need to repeat  
this process a few times to remove hard water deposits.  
CLEANING THE FILTERS  
For your convenience, we have placed the drain pump  
and filtering system within easy reach inside the tub.  
There are three components of the filtering system: the  
main filter, the coarse filter, and the fine filter.  
To do this, remove the coarse filter by squeezing the  
tabs and lifting it out. Next, unscrew the fine filter and lift  
it and the main filter out. Wash all three filters gently in  
hot, soapy water and rinse them thoroughly.  
In hard water areas, it may be necessary to clean  
chemical buildup from the filters every 12 to 18 months.  
WARNING!  
Never run the dishwasher without the filters in  
place.  
Main filter  
Food and soil particles trapped by this filter are  
pulverized by a special jet on the lower spray arm  
and washed down the drain.  
Fine filter  
This filter holds soil and food residue in the sump  
area and prevents it from being redeposited on the  
dishes during a cycle.  
Coarse filter  
Larger items, such as pieces of bone or glass, that  
could clog the drain are trapped in the coarse filter.  
To remove an item caught in this filter, gently  
squeeze the tabs on top of this filter and lift it out.  
CLEANING THE DOOR  
WARNING!  
Never use a spray cleaner of any  
kind on the door panel. You could  
damage the door lock and  
electrical components. And never  
use abrasive cleaners or scouring  
pads on the outer surfaces  
because they will  
scratch the finish. Also,  
some paper towels can  
scratch or leave marks  
on the stainless steel  
To clean the edge around the door, use only a soft warm,  
damp rag. To prevent penetration of water into the door  
lock and electrical components, do not use a spray  
cleaner of any kind.  
Also, never use abrasive cleaners or scouring pads on  
the outer surfaces because they will scratch the finish.  
Some papers towels can also scratch or leave marks on  
the surface.  
surface.  
CLEANING THE DRAIN PUMP  
To reach an item caught in the drain pump, remove the  
filters then the small insert in the sump area.  
On occasion something may get through the filters and into  
the drain pump. The drain pumps on ASKO dishwashers  
are designed to automatically reverse if anything should get  
caught in the impeller, thus ejecting the item back into the  
sump area or down the drain. Should you need to remove  
an obstacle from the drain, first turn the power off then  
remove the filters (as explained on page 7). Next, lift out the  
adaptor piece on the left side of the sump area. (You might  
want to remove any standing water first.) You can then look  
into the sump area for the item causing the obstruction. You  
may need to use your finger to move the pump blade and  
loosen the object. Should you find something, simply scoop  
it out then replace the adaptor piece and the filters.  
WARNING!  
WARNING!  
Be sure to replace the insert before you put the  
filters back in.  
Never run the dishwasher without the filters in place.  
Page 9  
OVERFILL PROTECTION  
Your ASKO dishwasher has an overfill protection device  
that automatically shuts off the inlet valve and circulation  
pump and starts the drain pump if the water level in the  
unit should rise above the normal level. If this happens,  
turn the water off at the main supply and call for service.  
If there is water in the base pan due to an overfill or  
small leak, the water must be removed before the  
dishwasher will start.  
When an overfill is detected, the display window will show  
a fault message. (See “Fault Codes” on page 8.)  
ENERGY SAVING TIPS  
If you plan to wash the dishes right away, there’s no  
need to pre-rinse. Simply scrape off large particles  
and load the dishes.  
Wash only full loads.  
Use the Heavy Wash or Pots and Pans program  
only for heavily soiled dishes.  
Use the Express option when washing only slightly  
soiled loads.  
Use the “Economy” drying option. (You can speed  
up the drying process by opening the door slightly to  
release the moist air.)  
Don’t use temperatures above 130°F for lightly soiled  
dishes.  
SOLUTIONS TO COMMON DISHWASHING PROBLEMS  
As with any new appliance, it sometimes takes using it a  
few times to learn to operate it properly. If you are having  
minor performance problems with your dishwasher, read  
this section before calling for service. It may save you  
time and unnecessary expense.  
NOTE: ASKO has no control over what is put in our  
appliances once installed in a customer’s home. You are  
solely responsible for what you wash in your ASKO  
dishwasher.  
Poor washing performance  
The dishes may not be loaded properly. Make sure  
that soiled surfaces are facing downward or toward  
the center of the dishwasher. Also, make sure that  
the bowls, pots, etc., are not stacked so closely that  
water can’t reach the soiled surfaces.  
Load items with concave bottoms tilted so as much  
water as possible will run off.  
Unload the bottom basket first to avoid spilling water  
onto the dishes when unloading the top basket.  
Certain plastics may need to be towel dried.  
Load the machine full (1/2 load doesn´t give as good  
drying result).  
Make sure you are using the appropriate program  
settings for the dirtiness of your dishes.  
Choose a stronger program and/ or a higher  
temperature.  
Plastic items  
Always check the manufacturer’s suggested care  
instructions before washing plastic in your  
dishwasher.  
An item may be obstructing the spray arm rotation.  
With the baskets loaded and in place, manually turn  
the spray arms to make sure they move freely.  
Your dishwasher detergent should be fresh and stored  
tightly closed in a cool, dry place. Old or caked  
detergent will not dissolve properly. Wait until you  
are ready to start the dishwasher to add the detergent.  
If you are using the Delay program, make sure the  
dispenser is dry before adding the detergent.  
Your dishwasher detergent may be inferior. Try a  
different brand.  
Some high-acid foods can discolor plastic. You  
should rinse these items if you do not plan to run the  
dishwasher right away.  
Plastic items dry poorly and may need to be towel  
dried.  
Chipped or Broken Dishes  
When you load the dishes, be sure they’re securely  
in place and will not fall over or strike against each  
other during the wash.  
Make sure the rinse aid dispenser is filled. (See page 6.)  
If you have hard water in your area, try adding more  
detergent and increasing the amount of rinse aid  
dispensed. (See page 4-5.)  
Load glasses between the tines, not straddling them.  
Move the baskets in and out slowly to avoid slamming  
the dishes together.  
Check that the spray arm jets are not clogged.  
Do not overload the dishes and be careful to avoid  
nesting.  
Make sure not to load dishes so high that the spray  
arms could strike them.  
Make sure tall glasses and stemware will clear the  
top of the tub when you push the basket in.  
Always load delicate items in the top basket.  
Do not overload the dishwasher.  
Poor drying performance  
Select the Normal drying setting.  
If you don’t want to use Normal drying, you can  
decrease the drying time by opening the door slightly  
to let out the warm, humid air.  
Do not jam the glasses together when loading.  
Make sure the rinse aid dispenser is filled. (See  
page 5.)  
Make sure you use the proper amount of rinse aid.  
(See page 5.)  
Continued on next page.  
Page 10  
SOLUTIONS TO COMMOND DISHWASHING PROBLEMS, continued  
Stains and discolorations  
Stains or discoloration on dishes could be caused by a  
number of things. Listed below are some of the most  
common causes. See also “Washing Special Items” on  
page 13.  
Etching  
If you have a cloudy film on your dishes that can’t be  
removed, it could be etching. To prevent etching, try the  
following:  
Use less detergent. You may be using too much for  
the water hardness in your area. (See page 5.)  
Use a good quality dishwasher detergent.  
Do not overload the machine. Water should circulate  
freely to ensure adequate rinsing and draining.  
Fill the rinse aid dispenser (unless you have soft water  
in your area; in which case you may not need a rinse  
aid). (See page 6.)  
Use a lower water temperature setting.  
Do not use the Normal drying setting.  
Do not pre-rinse the dishes; just scrape off large food  
particles and bones.  
Too much iron or manganese in the water can cause  
yellow or brown marks on your dishes. As a  
temporary solution, in place of the prewash detergent,  
use one teaspoon to one tablespoon of citric acid  
crystals. You should consider installing a water  
filtering system.  
Coffee and tea stains usually have to be removed by  
handwashing in a solution of 1/2 cup bleach and one  
quart of water. (Do not use on sterling silver or silver  
plate.) Be sure to rinse these items thoroughly before  
putting them in the dishwasher so there is no bleach  
residue on the dishware.  
REMOVING HARD WATER SPOTS FROM DISHES  
To remove hard water spots, try the following:  
1. Run dishes through a normal wash program.  
bottom rack of the dishwasher.  
4. Run the dishes through a Normal wash program.  
If this doesn’t work, try the same process with 1/4 cup of  
citric acid crystals (available at most drug stores) instead  
of vinegar.  
2. Remove all metal dishware, such as cutlery, pans,  
etc., from the dishwasher.  
3. Do not add detergent. Instead, pour two cups of  
vinegar into a bowl and set the bowl face up on the  
TROUBLESHOOTING  
If you should experience a problem with your dishwasher,  
you should review the list of frequently encountered  
situations below. It could save you the cost and  
inconvenience of a service call.  
Even though the product is under warranty, if the problem  
is not caused by defective product workmanship or  
materials, you will be charged for a service call. Refer to  
page 16 to determine what is and is not covered under  
your warranty. If you’re still not sure, contact the ASKO  
Advisory Center before you call a service technician.  
Type plate  
BEFORE YOU CALL  
Before calling for service or contacting ASKO regarding  
a warranty issue, make a note of the model name, type  
number and serial number. The model is on the front of  
the dishwasher. The type plate with the type name and  
serial number is located on the inside edge of the door.  
(See illustration at right.)  
Type Name  
Type: DW20.X  
ASKO Advisory Center Phone Number:  
800-898-1879  
12-digit  
Serial  
Number  
000000000000  
Continued on next page.  
Page 11  
TROUBLESHOOTING, continued  
Detergent left in compartment  
Be careful not to load items so close to the dispenser  
that the cover will not open to release the detergent.  
Dishwasher does not drain properly  
Make sure that the cycle was complete before you  
opened the dishwasher. If not, allow it to complete  
and check again.  
The dispenser is not supposed to open when you  
use the Rinse program.  
Some water left in the sump area near the drain is  
normal.  
Your dishwasher detergent should be fresh and stored  
tightly closed in a cool, dry place. Old or caked  
detergent should be thrown away because it will not  
dissolve properly and will leave a gritty residue on  
the dishware.  
If the plumbing code in your area requires an air gap,  
make sure that the air gap isn’t blocked or plugged.  
If the unit is connected to a garbage disposer, make  
sure the disposer is empty.  
Wait until you are ready to start the dishwasher to  
If water backs up into the sink, check the garbage  
add the detergent.  
disposer and trap for blockage.  
If you are using the Delay program, make sure the  
Check the dishwasher filters and drain area for  
dispenser is dry before adding the detergent.  
blockage. (See page 9.)  
The detergent compartment only opens in the main  
Check for a kink in the drain hose.  
wash programs, not the Rinse program.  
Dishwasher does not fill properly  
Dishwasher makes unusual noises  
This usually means that something is not loaded  
properly. Make sure the dishes are securely in place  
and that nothing has fallen between the basket tines.  
Make sure the water supply is turned on.  
Check inlet-valve.  
Make sure the dishwasher is turned on and the door  
is closed securely.  
Dishwasher leaks  
Check for crimps in the water feed line.  
Use only unscented, granular automatic dishwasher  
detergent. Using a liquid detergent could cause  
oversudsing and leakage.  
The system is designed to detect an overflow. When  
it does, it shuts off the circulation pump and inlet  
valve and turns on the drain pump. (See “Overfill  
Protection” on page 10.)  
You should always use fresh detergent.  
The amount of detergent needed for your dishes  
depends on the hardness of the water in your area.  
Contact your local utility company to learn the water  
hardness in your area then refer to the chart on page  
5 to determine the amount of detergent you should  
use.  
Dishwasher will not start  
Make sure the dishwasher is turned on and the door  
is closed securely.  
Make sure the Delay option is not turned on.  
Check that the water supply is connected properly  
Be careful not to overfill the rinse aid dispenser.  
Spilled rinse aid could cause oversudsing and lead  
to overflowing. Wipe away any spills with a damp  
cloth.  
and the water is turned on.  
Make sure the power cord is properly plugged into  
the wall socket.  
Check your fuse box for a blown fuse or tripped circuit  
Make sure the dishwasher is level. (See the  
breaker.  
installation instructions.)  
Dishwasher runs too long  
If the temperature of the water entering your dishwasher  
is below 120°, the dishwasher runs longer because it  
heats the water to the proper temperature for the  
program selected. Raising your water heater setting  
may help to shorten the cycle times. If this doesn’t  
resolve the problem, call the ASKO Advisory Center.  
Page 12  
WASHING SPECIAL ITEMS  
Most common dishware items can be safely washed in  
an automatic dishwasher. If you have any doubts about  
a particular item, check with the manufacturer to see if it  
is dishwasher safe. If that isn’t possible, you might wash  
one item of a set a few times and compare it to the rest  
of the set to determine if washing it in the dishwasher  
had any affect on it.  
NOTE: ASKO has no control over what is put in our  
dishwashers once installed in a customer’s home. You  
are solely responsible for what you wash in your  
ASKO dishwasher.  
Dishwasher  
Material  
Safe  
Information and Recommendations  
Aluminum  
Yes, with  
caution  
Anodized aluminum may fade or darken. Patches and discoloration may appear,  
but they can be removed with steel wool. Load aluminum utensils (such as a pie  
tin or roasting pan) where they do not touch other dishes because this can cause  
gray or black marks. You can remove these spots with a nonabrasive cleaner.  
Cast Iron  
China  
No  
The seasoning is lost and the iron rusts. Hand wash and dry immediately.  
Yes, with  
caution  
China without decoration or with decoration protected by glaze is dishwasher  
safe. However, you should arrange the objects so they do not touch each other or  
they could be damaged.  
China with a pattern on top of the glaze or with gold leaf decoration may fade. If  
possible, check with the manufacturer. If that isn’t possible, wash one item over  
an extended period then compare it with the colors and patterns of the rest of the  
set. Wash in the Quick program on a low temperature setting.  
Copper  
Crystal  
Yes, with  
caution  
Do not wash copper in the same load as silver or silver plate. It could discolor the  
silver items. Do not let copper items come in contact with stainless steel.  
No  
Antiques and very delicate china should not be washed in the dishwasher. Certain  
types of lead crystal may etch if machine washed. Check with the manufacturer.  
Yes  
Wash at a low temperature setting. Be sure to load crystal dishware so that it is  
secure and will not fall over or knock against other dishware while being washed.  
Dirilyte  
No  
No  
Gold-colored flatware can become discolored.  
Cannot withstand machine washing.  
Disposable  
plastic items  
Flatware with  
No  
Certain types of adhesives may loosen when machine washed.  
bonded handles  
Glass  
Yes  
No  
Exception: Milk glass may turn yellow.  
Knives  
Sharp kitchen knives may become dull if washed in very hot water and allowed to  
contact other items during the wash. Wood handles may also warp, crack, or  
loosen. Plastic handles may discolor. Check manufacturer’s washing instructions.  
Lead crystal  
No  
No  
Certain types of lead crystal may etch if machine washed.  
Non-dishware  
items  
Never wash items such as electronic air cleaners, air filters of any kind, paint  
brushes, etc. You could damage the dishwasher.  
Non-stick  
coatings  
Yes  
If marked “Dishwasher Safe.” After washing, wipe the non-stick coating area with  
vegetable oil to maintain its non-stick quality.  
Pewter  
Plastic  
No  
Pewter will tarnish when machine washed.  
Yes  
If the item is labeled dishwasher safe. Do not use Extra dry. Do not wash  
disposable plastic items.  
Silver and  
Silver plate  
Yes, with  
caution  
Rinse these items if you’re not going to wash them immediately; salty or acidic  
foods can stain if left on. Dry dishwasher detergent can produce black marks  
which are difficult to remove. Do not put silver and silver plate in the same silverware  
basket with stainless steel. Contact between these metals can damage silver.  
Do not wash copper utensils in the same load. This could cause a brown film on  
the silver. Also, adhesives used to attach some hollow-handled knives can loosen.  
Stainless  
Steel  
Yes, with  
caution  
Rinse these items if you’re not going to wash them immediately; salty or acidic  
foods can stain if left on. Dry dishwasher detergent can produce black marks  
which are difficult to remove. Do not mix different types of stainless steel in the  
same load.  
Tin  
No  
No  
Tin will rust.  
Wood  
Unless marked “Dishwasher Safe” by the manufacturer. Wood can warp, crack or  
lose shape with any kind of washing.  
Page 13  
NOTES  
Page 14  
INDEX  
B
M
Buzzer  
8
Main filter  
9
4
Main wash detergent compartment  
C
O
Care and cleaning  
9
8
7
Celsius or Fahrenheit  
Changing or stopping a program  
Coarse filter  
Operating instructions  
Options  
6
6
9
P
Common dishwashing problems  
Control panel  
10  
6
Pre-wash detergent compartment  
Program options  
Program times  
Programs  
4
6
7
6
D
Default settings, restoring  
Detergent dispenser  
Detergent left in compartment  
Dishwasher  
8
3
12  
R
Restoring factory-default settings  
Rinse aid dispenser  
8
5
does not drain properly  
does not fill properly  
features  
makes unusual noises  
runs too long  
Dishwashing problems  
Display window  
Door, cleaning  
12  
12  
3
12  
12  
10  
6
9
12  
9
S
Serial number location  
Service  
11  
16  
10  
8
3
11  
7
Solutions to problems  
Special settings menu  
SprayArms  
Stains and discolorations  
Start/Stop button  
Stopping a program  
Drain, problems  
Drain pump, removing an obstacle  
7
T
E
Troubleshooting  
11  
11  
End-of-program buzzer  
Energy saving tips  
Error codes  
8
10  
7
Type plate location on unit  
U
Etching  
11  
Unusual noises  
Upper basket  
12  
3
F
Factory-default settings, restoring  
Fahrenheit or Celsius in display window  
Fault codes  
8
8
7
12  
9
9
V
Warranty information  
Water Consumption  
16  
8
Fill problems  
Filtering system  
Fine filter  
Flatware with custom handles  
X
Wash programs  
6
13  
4
Washing special items  
Water hardness  
13  
H
Hard water  
4
removing spots  
11  
I
Interrupting a program to add an item  
7
K
Knives  
13  
L
Language display  
Lower basket  
8
3
Page 15  
ASKO PRODUCT WARRANTY  
MODEL D3731  
Be sure to complete the Warranty Registration Card you received with your appliance and mail it to AM  
Appliance Group to validate your appliance warranty.  
Cosmetic damage must be reported to your dealer within five days from the date of purchase. After unpacking  
the dishwasher, thoroughly check the unit for cosmetic damage.  
FOR RESIDENTIAL INSTALLATIONS ONLY  
LENGTH OF WARRANTY  
AM APPLIANCE GROUP WILL PAY FOR:  
Three-Year Full Warranty  
ASKO replacement parts and/or repair labor to correct defect in  
materials or workmanship. Service must be provided by an  
authorized ASKO service agent.  
From date of purchase.  
Fourth & Fifth Year Limited  
Warranty  
ASKO replacement parts (not including labor) for any defective solid-  
state controls, timers, motors, or pumps as well as defective  
dishwasher racks – does not include damage due to misuse or  
abuse. Service must be provided by an authorized ASKO service  
agent.  
Three year full plus fourth and fifth year  
limited from date of purchase.  
ASKO replacements parts (not including labor) of the stainless steel  
tank or inner door panel if it fails to hold water due to a manufacturing  
defect, such as rusting or cracking. Service must be provided by an  
authorized ASKO service agent.  
Lifetime Warranty  
FOR NON-RESIDENTIAL INSTALLATIONS  
Six-Month Full Warranty  
ASKO replacement parts and/or repair labor to correct defect in  
materials or workmanship. Service must be provided by an  
authorized ASKO service agent.  
From date of purchase.  
AM APPLIANCE GROUP WILL NOT PAY FOR:  
A. Service calls to:  
1. Correct the installation of the appliance.  
2. Repair damage due to shipment, delivery, installation, misuse or abuse.  
3. Instruct how to use the appliance.  
4. Replace house fuses or correct house wiring.  
5. Correct house plumbing, including drain problems related to improper installation. (High loop, disposer  
knockout, disposer not draining, etc.)  
6. Clean or service air device in drain line.  
B. Repair and/or replacement parts for failure of product if appliance is used for other than home/residential use.  
C. Damage resulting from accident, fire, floods, acts of God, alteration, misuse, abuse, improper installation, or  
installation not in accordance with local electrical or plumbing codes.  
D. Any shipping costs for parts during the limited warranty period.  
E. Replacement parts or repair labor costs for units operated outside the Continental United States.  
F. Pickup and delivery. ASKO washers are designed to be repaired in the home.  
IN NO EVENT SHALL AM APPLIANCE GROUP BE RESPONSIBLE  
FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES.  
Some states will not allow the exclusion or limitation of incidental or consequential damages, so this exclusion or  
limitation may not apply to you. This warranty gives you specific legal rights and you may also have other rights which  
vary from state to state.  
For warranty service, contact the dealer from whom you purchased the unit or an authorized ASKO service  
agent. Service will be provided during normal business hours. Should you have a service problem that cannot be  
resolved locally, contact AM Appliance Group at the numbers listed below. Before calling for service or contacting AM  
Appliance Group regarding a warranty issue, make a note of the model, type name, and serial number (see page 13).  
AM Appliance Group  
P. O. Box 851805  
ASKO Advisory Center  
800-898-1879  
Richardson, Texas 75085-1805  
Art No. 8078397. Rev. 01  
Page 16  

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