Whirlpool DU620 Troubleshooting, Dishes are not completely clean, Spots and stains on dishes

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TROUBLESHOOTING

First try the solutions suggested here and possibly avoid

the cost of a service call...

Dishwasher is not operating properly

Dishwasher does not run or stops during a cycle Is the door closed tightly and latched?

Is the right cycle selected? Refer to the “Cycle Selection Charts.”

Is there power to the dishwasher? Has a household fuse blown or circuit breaker tripped?

Has the motor stopped due to an overload? The motor automatically resets itself within a few minutes. If it does not restart, call for service.

Is the water shut-off valve (if installed) turned on?

Dishwasher will not fill

Is the overfill protection float able to move up and down freely? Press down to release.

Water remains in the dishwasher Is the cycle complete?

Detergent remains in the covered section of the dispenser

Is the cycle complete?

Is the detergent lump-free? Replace detergent if necessary.

Is the bottom rack installed properly with the bumpers in the front? Refer to the “Parts and Features” section. Reinstall the rack if necessary.

White residue on the front of the access panel

Was too much detergent used? Refer to the “Detergent Dispenser” section.

Is the brand of detergent making excess foam? Try a different brand to reduce foaming and eliminate buildup.

Odor in the dishwasher

Are dishes washed only every 2 or 3 days? Run a rinse cycle once or twice a day until you have a full load.

Does the dishwasher have a new plastic smell? Run a vinegar rinse as described in “Spotting and filming on dishes” later in this Troubleshooting guide.

Condensation on the kitchen counter (built-in models)

Is the dishwasher aligned with the countertop? Moisture from the vent in the dishwasher console can form on the counter. Refer to the Installation Instructions for more information.

Dishes are not completely clean

Food soil left on the dishes

Is the dishwasher loaded correctly? Refer to the “Dishwasher Loading” section.

Is the water temperature too low? For best dishwashing results, water should be 120°F (49°C) as it enters the dishwasher. Refer to the “Dishwasher Efficiency

Tips” section.

Did you use the correct amount of fresh detergent? Use recommended dishwasher detergents only. Refer to the “Detergent Dispenser” section. Never use less than 1 tb (15 g) per load. Detergent must be fresh to be effective. Store detergent in a cool, dry area. Heavy soil and/or hard water generally require extra detergent.

Is detergent caked in dispenser? Use fresh detergent only. Do not allow detergent to sit for several hours in a wet dispenser. Clean dispenser when caked detergent is present.

Is the pump or spray arm clogged by labels from bottles and cans? If you wash bottles and cans in your dishwasher, check for labels clogging the pump or spray arm.

Is the home water pressure high enough for proper dishwasher filling? Home water pressure should be 20 to 120 psi (138 to 828 kPa) for proper dishwasher fill. A booster pump on the water supply can be added if pressure is too low.

Are high suds slowing the wash arm? Never use soap or laundry detergents. Use recommended dishwasher detergents only.

Dishwasher door will not close

Is the bottom rack in backwards? The rack bumpers must face the dishwasher door.

Spots and stains on dishes

Spotting and filming on dishes

Is your water hard or is there a high mineral content in your water? Conditioning the final rinse water with a liquid rinse aid helps eliminate spotting and filming. Keep the rinse aid dispenser filled.

Is the water temperature too low? For best dishwashing results, water should be 120°F (49°C) as it enters the dishwasher. Refer to the “Dishwasher Efficiency

Tips” section.

Did you use the correct amount of effective detergent? Use recommended dishwasher detergents only. Refer to the “Detergent Dispenser” section. Never use less than 1 tb (15 g) per load. Detergent must be fresh to be effective. Store detergent in a cool, dry area. Heavy soil and/or hard water generally require extra detergent.

Is the home water pressure high enough for proper dishwasher filling? Home water pressure should be 20 to 120 psi (138 to 828 kPa) for proper dishwasher fill. A booster pump on the water supply can be added if pressure is too low.

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Contents LAVE-VAISSELLE DishwasherUse & Care Guide Guide d’utilisation Et d’entretienTable DES Matières Your safety and the safety of others are very important Dishwasher SafetyBefore Using Your Dishwasher Other features your dishwasher may have Parts and FeaturesStopping Your Dishwasher Using Your New DishwasherSTART-UP Guide Loading Top Rack Loading SuggestionsQuiet operating tips Extra-capacity fold-down shelvesAdjustable 3-position top rack on some models Adjustable top rack on some modelsTo adjust the top rack Loading Bottom RackFold-down tines Loading Silverware BasketTo open the silverware basket To remove the basket from the doorDetergent Dispenser Dishwasher USERinse Aid Dispenser Where to fillWater Hardness Amount of Detergent Checking the dispenserTo check water temperature Cycle Selection ChartsDishwasher Efficiency Tips Dispenser Regular tableware SectionsAdding Items During a Cycle Canceling a CycleChanging a Cycle or Setting Option Selections Cycle Status IndicatorsLocked Drying SystemOverfill Protection Float Dishwasher Care CleaningDrain Air Gap StoringSpots and stains on dishes TroubleshootingDishes are not completely clean Dishes do not dry completely Filter ModuleDishes are damaged during a cycle NoisesFor service in Canada If you need replacement partsU.S.A CanadaWhirlpool Corporation will not pay for Whirlpool Dishwasher WarrantyVotre sécurité et celle des autres est très importante LA Sécurité DU LAVE-VAISSELLEPour un lave-vaisselle branché en permanence Avant d’utiliser le lave-vaisselleAutres caractéristiques possibles de votre lave-vaisselle Pièces ET CaractéristiquesUtilisation de votre nouveau lave-vaisselle Guide DE Mise EN MarcheArrêt du lave-vaisselle Chargement DU LAVE-VAISSELLESuggestions de chargement Conseils de fonctionnement silencieuxPanier supérieur réglable sur certains modèles Chargement du panier inférieurTablettes rabattables pour extra capacité Tiges rabattables Chargement du panier àcouvertsPour ouvrir le panier à couverts Distributeur de détergent Utilisation DU LAVE-VAISSELLEQuantité de détergent à utiliser Remplissage du distributeurOù remplir Dureté de l’eau Quantité de détergentConseils d’efficacité pour Le lave-vaisselle Distributeur d’agent de rinçageVérification du distributeur Contrôle de la température de l’eauTableaux de sélection de programmes Sélection d’options Annulation d’un programmeAddition de vaisselle durant Un programme Indicateurs d’état d’avancement Du programme Locked/verrouillage Lavage D’ARTICLES SpéciauxSystème de séchage Dispositif anti-refoulement Entretien DU LAVE-VAISSELLENettoyage Remisage DépannageRemisage pour l’été Hivérisation du lave-vaisselleVaisselle pas complètement sèche Présence de taches sur la vaisselleVaisselle endommagée au cours d’un programme BruitsAu Canada Module DU FiltreAux États-Unis Whirlpool Corporation ne paiera pas pour Garantie DU LAVE-VAISSELLE WhirlpoolWhirlpool Corporation 11/02 All rights reserved 3381196