User Manual - Page 55

For LUDP8908SN.

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55
TROUBLESHOOTING
ENGLISH
Problem Possible Cause & Solution
Food soil remains on
dishes.
Improper cycle selection.
Select correct cycle based on soil level and type of dishware being washed.
Water temperature is too low.
Check water supply connection or water heater setting.
Dishwashing detergent was not used.
Use recommended detergent.
Low inlet water pressure.
Water pressure should be between 20 and 80 psi.
Water jet holes on spray arms blocked.
Clean the spray arms.
Improper loading of dishes.
Make sure dishes do not block spray arm rotation or interfere with detergent
dispenser.
Filters are clogged.
Clean filters.
Cloudiness on
glassware.
Combination of excessive detergent and hard water.
Use less detergent and use a rinse aid to minimize the problem.
Black or gray marks on
dishes.
Aluminum items rubbing dishes during cycle.
Reposition the dishes.
Yellow or brown film
on inside surfaces of
dishwasher.
Coffee or tea stains.
Eliminate the stain by using a stain removal product.
Spots and filming on
dishes.
Low water temperature.
Water supply should be at least 120 °F for best wash performance.
Overloading.
Do not overload the dishwasher.
Improper loading.
See the Operation section.
Insufficient water pressure.
Water pressure should be between 20 and 80 psi.
Insufficient detergent.
Add the recommended amount of detergent. See the Operation section.
Rinse aid dispenser is empty.
Refill rinse aid dispenser.
Hard water buildup in the tub.
Remove all dishes, silverware and silverware holder from dishwasher. Only
racks should remain in tub. For best results, use citric acid powder (can
be found in canning sections of most grocery stores or online). Measure 3
tablespoons (40 g) of citric acid powder. Fill main wash compartment with
measured powder. If you cannot find citric acid powder, pour approximately
one cup (200-300 mL) of white vinegar into shallow bowl and place in upper
rack. Run Machine Clean cycle. Do not use detergent.
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