Thermador DWHD640JFP Use & Care Manual
20
Dishes are not get-
ting clean enough
ting clean enough
1. Spray arm movement obstructed
2. Spray arm nozzles clogged
3. Improper use of detergents
4. Filters could be clogged
5. Dishes are nested or loaded too close together
6. Selected wash cycle is not suitable for food soil con-
ditions
2. Spray arm nozzles clogged
3. Improper use of detergents
4. Filters could be clogged
5. Dishes are nested or loaded too close together
6. Selected wash cycle is not suitable for food soil con-
ditions
1. Ensure that spray arm movement is not blocked by hand rotating
spray arms before starting cycle
2. Remove the spray arms and clean according to the “Care and Mainte-
nance” (pages 18-19) section of the manual
3. Increase or decrease detergent depending on the water hardness
(refer to Table 1)
4. Clean the filters according to the “Care and Maintenance” (pages
18-19) section of the manual
5. Rearrange load such that water spray can reach all items in the dish-
washer - see “Loading the Dishwasher” (pages 8-9) section of the manual
6. Refer to “Wash Cycle Information” (pages 12-14) section of the manual
spray arms before starting cycle
2. Remove the spray arms and clean according to the “Care and Mainte-
nance” (pages 18-19) section of the manual
3. Increase or decrease detergent depending on the water hardness
(refer to Table 1)
4. Clean the filters according to the “Care and Maintenance” (pages
18-19) section of the manual
5. Rearrange load such that water spray can reach all items in the dish-
washer - see “Loading the Dishwasher” (pages 8-9) section of the manual
6. Refer to “Wash Cycle Information” (pages 12-14) section of the manual
Dishes are not get-
ting dry enough
ting dry enough
1. Rinse aid dispenser is empty
2. Improper loading of dishes
3. Selected cycle does not include drying
4. “Intensive Drying” is not activated
Note: Plastic or Teflon do not typically dry as well as
other items due to their inherent properties
2. Improper loading of dishes
3. Selected cycle does not include drying
4. “Intensive Drying” is not activated
Note: Plastic or Teflon do not typically dry as well as
other items due to their inherent properties
1. Add rinse aid - the use of rinse aid improves drying
2. Rearrange load to ensure items are not nesting (see “Loading the
Dishwasher” (page8-9) section of the manual)
3. Rinse cycle does not include drying
4. See the “Operating the Dishwasher” (page 16) section of this man-
ual to learn how to activate “Intensive Drying”
2. Rearrange load to ensure items are not nesting (see “Loading the
Dishwasher” (page8-9) section of the manual)
3. Rinse cycle does not include drying
4. See the “Operating the Dishwasher” (page 16) section of this man-
ual to learn how to activate “Intensive Drying”
Odor
1. Food debris is present at the bottom of the dishwasher
2. Food particles are present near the door seal
3. Dishes left in unit too long before running a cycle
4. Residual water is present at the bottom of the dish-
washer
5. Drain hose is obstructed
2. Food particles are present near the door seal
3. Dishes left in unit too long before running a cycle
4. Residual water is present at the bottom of the dish-
washer
5. Drain hose is obstructed
1. Remove the filters and clean according to the “Care and Mainte-
nance” (pages 18-19) section of the manual
2. Refer to “Care and Maintenance” (pages 18-19) section of the manual
3. Run a Rinse cycle if you do not intend to immediately wash the dishes
4. Ensure the unit has completely drained from the last cycle
5. Remove any obstructions from the drain hose by calling qualified
personnel
Note: If odor still persists, run the Normal/Regular cycle until it flushes
and interrupt the cycle and place an 8oz. cup of distilled white vinegar
solution on the top rack and then finish the cycle.
nance” (pages 18-19) section of the manual
2. Refer to “Care and Maintenance” (pages 18-19) section of the manual
3. Run a Rinse cycle if you do not intend to immediately wash the dishes
4. Ensure the unit has completely drained from the last cycle
5. Remove any obstructions from the drain hose by calling qualified
personnel
Note: If odor still persists, run the Normal/Regular cycle until it flushes
and interrupt the cycle and place an 8oz. cup of distilled white vinegar
solution on the top rack and then finish the cycle.
Dishwasher not fill-
ing with water
ing with water
1. Restriction in the water supply system
2. Previous wash cycle was not completed
3. Delay start is active
4. Household water supply is off
2. Previous wash cycle was not completed
3. Delay start is active
4. Household water supply is off
1. Ensure that the water supply valve (typically located under kitchen
sink) is open and check that the water supply line has no kinks or clogs
2. Refer to the “Operating the Dishwasher” (page 15) section of the
manual
3. Cancel the delay start or wait until delay start time completes
4. Turn household water supply on
sink) is open and check that the water supply line has no kinks or clogs
2. Refer to the “Operating the Dishwasher” (page 15) section of the
manual
3. Cancel the delay start or wait until delay start time completes
4. Turn household water supply on
Water leaks
1. Suds
2. Door seal could be pulled away from track
3. Condensation vent is blocked
4. Improper installation
2. Door seal could be pulled away from track
3. Condensation vent is blocked
4. Improper installation
1. Wrong type of detergent results in suds and leaks - use only dish-
washer detergents. If suds still persist, add one tablespoon of vegeta-
ble oil at the bottom of the dishwasher and run the desired cycle.
2. Ensure the door seal is in the track
3. Ensure that the condensation vent is not blocked
4. Have proper installation verified by qualified personnel (water sup-
ply, drain system, leveling, plumbing)
washer detergents. If suds still persist, add one tablespoon of vegeta-
ble oil at the bottom of the dishwasher and run the desired cycle.
2. Ensure the door seal is in the track
3. Ensure that the condensation vent is not blocked
4. Have proper installation verified by qualified personnel (water sup-
ply, drain system, leveling, plumbing)
Tub stains
1. Stains on the dishwasher interior are due to water
hardness
2. Silverware in contact with tub
hardness
2. Silverware in contact with tub
1. Concentrated lemon juice can reduce the build up of hard water
stains. Run a Regular cycle until it flushes and interrupt the cycle and
then place an 8oz. cup of the concentrated lemon solution on the top
rack and finish the cycle. This can be done periodically to avoid build up
2. Ensure that silverware does not make contact with the tub while run-
ning a cycle
stains. Run a Regular cycle until it flushes and interrupt the cycle and
then place an 8oz. cup of the concentrated lemon solution on the top
rack and finish the cycle. This can be done periodically to avoid build up
2. Ensure that silverware does not make contact with the tub while run-
ning a cycle
Streaks on glass-
ware or residue on
the dishes
ware or residue on
the dishes
1. Incorrect rinse aid setting
1. Depending on the hardness of water, adjust the rinse aid dispenser.
Refer to “Rinse Aid” (page 7) section in the manual
Refer to “Rinse Aid” (page 7) section in the manual
Fascia panel discol-
ored or marked
ored or marked
1. Abrasive cleaner used
1. Use mild detergents with soft damp cloth
Noise during wash
cycle
cycle
1. Dishes may not be arranged properly
1. Water circulation sound is normal, but if you suspect items are bang-
ing into each other or into the spray arms, refer to the “Loading the
Dishwasher” (pages 8-9) section of the manual for optimal arrange-
ment
ing into each other or into the spray arms, refer to the “Loading the
Dishwasher” (pages 8-9) section of the manual for optimal arrange-
ment
Detergent dis-
penser cover will
not shut
penser cover will
not shut
1. Improper operation of detergent cover
2. Previous cycle has not been finished or the cycle was
reset or interrupted
2. Previous cycle has not been finished or the cycle was
reset or interrupted
1. Refer to “Detergent” (page 6) section of the manual for instructions
on opening and closing the dispenser
2. Refer to the “Operating the Dishwasher” (page 11) section of the
manual
on opening and closing the dispenser
2. Refer to the “Operating the Dishwasher” (page 11) section of the
manual
Unable to select
desired cycle
desired cycle
1. Previous cycle has not finished
1. Refer to the “Operating the Dishwasher” (page 15) section of the
manual
manual
Problem
Cause
Action