Bosch dishwasher troubleshooting is the process of identifying and diagnosing problems that can occur with a Bosch dishwasher. This typically involves a series of steps and tests to determine the cause of the problem and then taking the appropriate steps to fix it.
If your dishwasher is malfunctioning, it can be a significant inconvenience and source of frustration. For one, washing dishes by hand is time-consuming and takes a lot of effort, which can disrupt your daily routine. In addition, hand-washing dishes is less efficient than using a dishwasher, which can lead to higher utility bills and wasted water.
A malfunctioning dishwasher can also be inefficient in terms of cleaning. It may not clean dishes properly, leaving you with dirty or stained dishes. Additionally, if your dishwasher is leaking or not draining properly, it can cause water damage to your kitchen or other areas of your home.
Repairing a dishwasher can be costly, depending on the nature of the malfunction. This can be an additional inconvenience and expense. If you have a large household, hand-washing dishes can quickly become overwhelming and inconvenient. Overall, a malfunctioning dishwasher can disrupt your daily routine and make it more difficult to maintain a clean and organized home.
Below you’ll find some common Bosch dishwasher problems and their troubleshooting steps.
How do I run a test cycle?
A dishwasher test cycle is a diagnostic tool that allows you to check the dishwasher’s components, such as the heating element, water inlet valve, and drainage system. Running a dishwasher test cycle can help you identify any problems or malfunctions in the dishwasher’s operation and diagnose issues that may be causing problems with cleaning or draining.
Here are some reasons why you might want to run a dishwasher test cycle:
- Dishwasher is not working properly: If the dishwasher is not cleaning dishes well or is not draining properly, running a test cycle can help you diagnose the problem.
- Error codes are displayed: If your dishwasher displays an error code on the control panel, running a test cycle can help you determine the cause of the error and the necessary repairs.
- Regular maintenance: Running a test cycle periodically as part of routine maintenance can help keep the dishwasher operating at peak performance and detect any issues early, before they become major problems.
- Before buying a used dishwasher: If you are considering purchasing a used dishwasher, running a test cycle can help you identify any potential problems and ensure that the dishwasher is in good working condition.
To run a test cycle on a Bosch dishwasher, follow these steps:
- Turn off the dishwasher: Make sure the dishwasher is turned off and unplugged from the power source.
- Access the diagnostic mode: To enter the diagnostic mode, press and hold the two buttons on the control panel marked “Cancel Drain” and “Start” or “Start” and “Power Scrub” simultaneously. Hold the buttons until the display shows “0:00” and the “Clean” light turns on.
- Run the test cycle: Press the “Power Scrub” button to start the test cycle. The dishwasher will run a series of tests and display error codes if there are any issues.
- Interpret the error codes: The dishwasher will display error codes on the control panel if there are any problems detected during the test cycle. Refer to the error codes page to interpret the error codes and determine the cause of the problem.
- Exit the diagnostic mode: To exit the diagnostic mode, press and hold the “Power Scrub” button for five seconds. The dishwasher will beep and the display will turn off.
It is important to note that running a test cycle on a Bosch dishwasher should only be done if you suspect there is a problem with the dishwasher. If you are unsure about how to diagnose or fix any issues, it is best to contact a professional dishwasher repair service for assistance.
How do I reset my Bosch dishwasher?
Have you tried turning it off and on again? 🤡
To reset a Bosch dishwasher, turn off the dishwasher: Press and hold the Start button until the dishwasher turns off. Unplug the dishwasher: If your Bosch dishwasher is hardwired, turn off the circuit breaker that powers it. If it is plugged in, unplug it from the outlet. Wait for a few minutes: Leave the dishwasher unplugged or turned off for a few minutes to allow its electronics to reset. Restore power to the dishwasher: If you unplugged the dishwasher, plug it back in. If you turned off the circuit breaker, turn it back on. Select a wash cycle: Press the power button to turn the dishwasher back on, and select a wash cycle. Start the dishwasher: Press the Start button to begin the wash cycle.
The specific reset procedure for your Bosch dishwasher may vary depending on the model, so be sure to consult your owner’s manual for instructions.
What do the error codes mean?
Dishwasher error codes are specific codes that appear on the dishwasher’s display or control panel, indicating a problem or malfunction with the dishwasher. The error codes can help diagnose the issue and provide a solution to fix it. The exact error codes can vary depending on model of the dishwasher, but here are some common error codes you may encounter:
- E01 or E1: This error code indicates a water supply issue, such as low water pressure or a blocked water inlet filter.
- E02 or E2: This error code means there is a problem with the dishwasher’s temperature sensor or heating element. It could be caused by a faulty sensor or heating element or a problem with the dishwasher’s control board.
- E03 or E3: This error code typically indicates a problem with the dishwasher’s heating system. It could be caused by a faulty thermostat, heating element or a problem with the dishwasher’s control board.
- E04 or E4: This error code means there is a problem with the dishwasher’s water level system. It could be caused by a faulty water inlet valve or a problem with the dishwasher’s control board.
- E09 or E9: This error code indicates a problem with the dishwasher’s heating system. It could be caused by a faulty temperature sensor, heating element or a problem with the dishwasher’s control board.
- E15 or E25: These error codes indicate a problem with the dishwasher’s filter system. E15 indicates a clogged filter, while E25 means there is a problem with the drain pump or filter.
- E22 or E23: These error codes indicate a problem with the dishwasher’s drain system. E22 means there is a blockage in the drain pump, while E23 indicates a problem with the drain pump or the dishwasher’s control board.
These are just a few examples of the many dishwasher error codes that could appear on your dishwasher. If you encounter an error code, it’s a good idea to consult your dishwasher’s user manual or contact a professional technician for assistance. For more information on error codes check out this page: Common Bosch Dishwasher Error Codes.
What should I do if my dishwasher is not draining?
If your Bosch dishwasher is not draining, there could be several possible reasons:
- Clogged drain hose: Check the drain hose that leads from the dishwasher to the sink or garbage disposal. If it is clogged, water will not be able to drain out of the dishwasher.
- Clogged air gap: The air gap is the small metal or plastic device on the back of the sink that prevents water from flowing back into the dishwasher. If it is clogged, water will not be able to drain out of the dishwasher.
- Faulty drain pump: The drain pump is responsible for removing water from the dishwasher. If it is not working properly, water will not be able to drain out of the dishwasher.
- Blocked drain filter: The drain filter is located at the bottom of the dishwasher and can become clogged with food debris and other particles. If it is clogged, water will not be able to drain out of the dishwasher.
- Broken garbage disposal: If your dishwasher drains into a garbage disposal, the disposal may be clogged or broken, which can prevent water from draining out of the dishwasher.
To troubleshoot the problem, start by checking the drain hose and air gap for clogs. If these are clear, you may need to clean the drain filter or check the drain pump for problems. If you’re not comfortable doing this yourself, it’s best to contact a professional dishwasher repair service to diagnose and fix the issue. For more ideas about how to get your dishwasher draining again go to: Bosch Dishwasher Not Draining.
What should I do if my dishwasher water is not getting hot?
If the water in your Bosch dishwasher is not getting hot, there are several possible reasons:
- Faulty heating element: The heating element in the dishwasher may be faulty or burned out, preventing the water from heating up. You can check the heating element for damage or continuity using a multimeter.
- Broken thermostat: The thermostat is responsible for regulating the water temperature in the dishwasher. If it is not functioning properly, it may prevent the water from heating up. You can test the thermostat with a multimeter to check if it’s functioning properly.
- Clogged dishwasher filter: A clogged dishwasher filter can reduce the water pressure in the dishwasher, which may prevent the water from heating up properly. Check the dishwasher filter and clean it if it’s dirty or clogged.
- Faulty control board: If the control board that regulates the dishwasher’s operation is malfunctioning, it may prevent the heating element from functioning properly. A faulty control board may also cause the dishwasher to display error codes or not operate at all.
- Water inlet valve: The water inlet valve is responsible for regulating the water flow into the dishwasher. If it’s not working correctly, it can reduce the water pressure, which can cause the water not to heat up properly.
- Incorrect cycle selection: Make sure you are selecting the correct wash cycle that includes a heating function. Some dishwasher cycles do not use hot water, and the water will remain cold.
For further advice go here: My Bosch dishwasher is not getting hot
What should I do if my Bosch dishwasher is not starting?
There can be several reasons why your Bosch dishwasher is not starting. Here are a few troubleshooting steps you can try:
- Check the power supply: Make sure that the dishwasher is properly connected to a power source and the outlet or circuit breaker is functioning correctly. If the dishwasher is hardwired, make sure the wiring is not damaged.
- Check the door latch: Make sure that the dishwasher door is fully closed and latched properly. If the door is not closed properly, the dishwasher will not start.
- Check the control panel: Ensure that the control panel is properly programmed and that you have selected the correct wash cycle. If the control panel is not functioning correctly, try resetting it by turning off the power for a few minutes and then turning it back on.
- Check the water supply: Ensure that the water supply valve is turned on and the water inlet hose is not kinked or clogged.
- Check for error codes: If your Bosch dishwasher has an error code display, go to the Bosch dishwasher error codes page to identify the issue and take appropriate action.
To learn more go to My Bosch dishwasher isn’t starting
How do I fix a leaking dishwasher?
There are several potential causes of a Bosch dishwasher leaking, including:
- Improper installation: If the dishwasher was not installed correctly, it could cause leaks. This could include an incorrectly installed water supply or drainage hose or an improperly levelled dishwasher.
- Damaged door seal: Over time, the door seal on a Bosch dishwasher can become damaged or worn, causing leaks. This is a common issue that can often be resolved by replacing the door seal.
- Clogged or damaged drain hose: If the dishwasher’s drain hose becomes clogged or damaged, water can back up and cause leaks.
- Broken or damaged water inlet valve: If the water inlet valve on the dishwasher is broken or damaged, it can cause water to leak out of the dishwasher.
- Faulty float switch: The float switch is a safety feature that shuts off the dishwasher’s water supply if the water level becomes too high. If the float switch is malfunctioning, it can cause water to leak out of the dishwasher.
- Cracked or damaged tub: If the dishwasher’s tub is cracked or damaged, it can cause water to leak out.
Why is my dishwasher not cleaning the dishes properly?
If your dishwasher is not cleaning the dishes properly you may notice food particles or residue left on dishes: If you notice food particles or residue left on your dishes after running the dishwasher, this is a clear sign that the dishwasher is not cleaning the dishes properly. If your dishes look cloudy or have spots on them after running the dishwasher, this could be a sign that the water temperature is too low, or that the detergent is not dissolving properly. If your dishwasher smells bad, this could indicate that food particles and debris are stuck in the filters or spray arm, preventing the dishwasher from cleaning the dishes properly. If your dishwasher is taking longer than usual to complete a cycle, this could be a sign that the dishwasher is having trouble cleaning the dishes.
There could be several reasons why your Bosch dishwasher is not cleaning the dishes properly. Here are some common causes and solutions:
- Overloading: If you are overloading your dishwasher, the dishes may not be getting cleaned properly because the water and detergent cannot reach all the surfaces. Try running smaller loads or rearranging the dishes to create more space.
- Clogged spray arm: The spray arm rotates and sprays water onto the dishes to clean them. If it’s clogged with food debris or hard water deposits, the dishes may not get cleaned properly. Remove the spray arm and clean it thoroughly.
- Dirty filters: Dishwashers have filters that trap food particles and debris to prevent them from clogging the pump or spray arm. If the filters are dirty, they can reduce water flow and prevent the dishwasher from cleaning the dishes properly. Clean the filters regularly.
- Low water temperature: If the water entering your dishwasher is not hot enough, the detergent won’t dissolve properly and the dishes won’t get clean. Check your water heater and make sure the temperature is set to at least 120°F (49°C).
- Old or expired detergent: If your dishwasher detergent is old or expired, it may not be effective in cleaning the dishes. Replace the detergent with a fresh one.
For more advice on how to ensure your Bosch dishwasher cleans the dishes effectively, go to this page: Bosch Dishwasher Not Cleaning
Why aren’t my dishes dry?
If your Bosch dishwasher is not drying the dishes, it can be frustrating and inconvenient. Dishes that come out of the dishwasher wet can be annoying because you may have to dry them by hand, which can take additional time and effort. When dishes are not properly dried, they can have water spots on them, which can make them look unclean or unappetizing. If dishes remain wet for an extended period of time, they can develop mold and mildew, which can be unsanitary and even dangerous. If you have to run the dishwasher multiple times or run longer cycles to compensate for the lack of drying, it can be inconvenient and time-consuming. If you have to use additional energy to run the dishwasher multiple times or use longer cycles, it can result in higher energy bills, which can be frustrating.
Overall, a dishwasher that is not properly drying dishes can be inconvenient and annoying, and it is important to address the issue to ensure that your dishes are clean and dry.
If your Bosch dishwasher is not drying the dishes, there are several possible causes. Here are some things you can check and try to fix the problem:
- Rinse aid: Make sure your dishwasher’s rinse aid dispenser is filled with rinse aid. Rinse aid helps water run off dishes, which speeds up the drying process. Check the rinse aid dispenser and refill it if necessary.
- Loading: Make sure you are loading your dishwasher correctly. Improper loading can cause dishes to obstruct the flow of hot air and prevent them from drying properly. Make sure dishes are spaced apart and not touching.
- Heat Dry option: Make sure that you have selected the “Heat Dry” option on your dishwasher. This setting will help ensure that dishes dry thoroughly.
- Drying cycle: Make sure that the drying cycle is complete before opening the dishwasher. If you open the dishwasher during the drying cycle, you will let out the hot air and your dishes will not dry properly.
- Faulty heating element: If the above steps do not resolve the issue, then there may be a problem with the heating element. The heating element is responsible for heating the air inside the dishwasher, which dries the dishes. A faulty heating element can prevent dishes from drying properly. Consult a professional appliance repair technician to diagnose and fix the problem.
- Faulty thermostat: Another possible cause of the problem could be a faulty thermostat. The thermostat controls the temperature inside the dishwasher, and if it is not functioning properly, it can prevent the dishwasher from heating up enough to dry the dishes. Consult a professional appliance repair technician to diagnose and fix the problem.
By checking these possible causes, you may be able to identify and fix the problem with your Bosch dishwasher not drying the dishes properly.
When troubleshooting your Bosch dishwasher, running the above test cycle is a good start in diagnosing the problem and should give you an idea of where the problem lies with your Bosch dishwasher and what fixes and repair are in order. Our general dishwasher troubleshooting page will give you some ideas on other things to check on your dishwasher. Good luck!