Bosch dishwasher dlx series troubleshooting



ProblemCauseAction
Dishwasher does not start1. Door may not be properly latched.1. Shut the door completely.
2. Unit may not be turned on.2. Press the main power switch to turn unit on.
3. Unit not reset or previous cycle not completed.3. To reset, refer to “Canceling or changing the cycle” section in this manual.
4. Delay start engaged.4. To reset, refer to “Delay Start” section in this manual.
5. Interruption of electrical power supply to dishwasher or blown fuse.5. Check circuit breaker.
6.fChild lock activated (select models).6. Deactivate the child lock. Refer to “Child Lock” section in this manual if applicable.
7. The door may have been closed without first selecting a cycle.7. Select a cycle and close the door.
8. Water supply may not be turned on.8. Check and turn on water supply.
Dishwasher beeping (end of cycle signal)Default factory settings alert the customer that the cycle has completed by beeping. This feature can be deactivated if so desired.To adjust the volume or deactivate, refer to “Cycle Completion Signal” section in this manual.
Display does not illuminate or console lights are not on1. A fuse may have been blown or circuit breaker tripped.1. Check the fuse or circuit breaker box and replace the fuse or reset the breaker if necessary.
2. Door not closed or latched.
Note: For models with controls on the top portion of the door, the display only illuminates when the door is opened and controls are visible.
2. Ensure that door is properly latched and completely closed.
Dishwasher seems to run a long time1. Incoming water is not warm enough.1. Before starting a cycle, run hot water faucet at the sink nearest to the dishwasher.
2. Cycle time can vary due to soil and water conditions.2. Sensors in the dishwasher automatically increase the cycle time to ensure a good wash when heavy soil is detected.
3. Rinse agent dispenser is empty.3. Add rinse agent.
4. Dishwasher connected to cold water supply.
Note: Refer to “Cycle Chart Data” section in this manual for typical cycle length.
4. Verify dishwasher is connected to hot water supply plumbing.
Dishes aren’t getting clean enough1. Spray arm movement is obstructed.1. Ensure that spray arm movement is not blocked by hand rotating spray arms.
2. Spray arm nozzles clogged.2. Remove the spray arms and clean according to “Check/Clean the Spray Arm Nozzles” in Care and Maintenance section of this manual.
3. Improper use of detergents.3. Increase or decrease detergent depending on the water hardness. Refer to Table under “Adding Detergent and Rinse Agent”.
4. Filters could be clogged.4. Clean the filter. Refer to “Check/Clean the Filter System” under Care and Maintenance section of this manual.
5. Dishes are nested or loaded too close together.5. Rearrange load such that water spray can reach all items in the dishwasher. See also “Preparing and Loading” section of this manual.
6. Selected wash cycle is not suitable for food soil condtions.6. Refer to “Wash Cycle” section in Operating the Dishwasher section of this manual.
Dishes are not getting dry enough1. Rinse agent dispenser is empty. (Rinse agent indicator is activated).1. Add rinse agent. The use of rinse agent improves drying.
2. Improper loading of dishes.2. Rearrange load to ensure items are not nested. Refer also to the “Preparing and Loading” section of this manual.
3. Selected cycle does not include drying. Note: Plastic or Teflon do not typically dry as completely as other items due to their inherent properties.3. Rinse and Hold setting does not include drying cycle.
Note: Select models offer an extra heating options to improve drying performance. Refer to “Additional Features” under the Dishwasher Features and Options section of this manual.
Odor1. Food debris is present at the bottom of the dishwasher.1. Remove the filters and clean according to the “Check/Clean the Filter System” section of this manual.
2. Food particles are present near the door seal.2. Refer to “Clean the Door Gasket and Door Seal” in the Care and Maintenance section of this manual.
3. Dishes left too long in unit before running a cycle.3. Run a Rinse/Hold cycle if you do not intend to immediately wash the dishes.
4. Residual water is present at the bottom of the dishwasher.4. Ensure the unit has completely drained from the last cycle. Refer to the “Canceling or changing the cycle” section of this manual.
5. Drain hose is obstructed.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 on 8 oz. cup of distilled white vinegar solution on the top rack and then finish the cycle.
Dishwasher not filling with water1. Restriction in the water supply system.1. Ensure that the water supply valve (typically located under kitchen sink) is open and check that the water supply line has no kinks and clogs.
2. Previous wash cycle was not completed.2. Refer to the “Canceling or changing the cycle” section of this manual.
3. Delay-start is active.3. Cancel the delay-start or wait until delaystart time completes (times out). Refer to the “Delay Start” section of this manual.
Water Leaks1. Suds1. Wrong type of detergent results in suds and leaks. Use only dishwasher detergents. If suds still persist, then add one tablespoon of vegetable oil at the bottom of the dishwasher and run the desired cycle.
2. Door seal could be pulled away from track.2. Ensure that door seal is in the track.
3. Condensation vent is blocked.3. Ensure that condensation vent is not blocked. Refer to “Loading Extra Tall Items” in the Preparing and Loading the Dishwasher section of this manual.
4. Improper installation.4. Have proper installation verified by qualified personnel (water supply, drain system, leveling, plumbing).
Tub stains1. Stains on the dishwasher interior are due to hardness of water.1. Concentrated Lemon juice can reduce the build up of hard water stains. Run a normal cycle until it flushes and interrupt the cycle and then place an 8 oz. cup of the concentrated lemon solution on the top rack and finish the cycle. This can be done periodically to avoid build up.
2. Silverware in contact with tub.2. Ensure that the silverware does not make contact with the tub while running a cycle.
Streaks on glassware or residue on the dishesIncorrect rinse agent setting.Depending on the hardness of water, adjust the rinse agent dispenser. Refer to “Adding Detergent and Rinse Agent” section in this manual for adjustment.
Fascia panel discolored or markedAbrasive cleaner used.Use mild detergents with soft damp cloth.
Noise during wash cycleThe dishes may not be arranged properly.Water circulation sound is normal, but if you suspect items are banging into each other or into the spray arms, refer to the “Preparing and Loading” section of this manual for optimal arrangement.
Detergent dispenser cover will not shut1. Improper operation of detergent cover.1. Refer to “Adding Detergent and Rinse Aid” section of this manual for instructions on opening and closing the dispenser.
2. Previous cycle has not been finished, reset, or cycle was interrupted.2. Refer to the “Canceling or changing the cycle” section of this manual.
Unable to select desired cyclePrevious cycle has not finished.Refer to the “Canceling or changing the cycle” section of this manual.