Please contact Thermador Customer Support at 1-800-735-4328 if your error code is not listed below as it may require technician assistance.
Click on the tabs below to view helpful tips for your appliance. If you need further assistance, please contact Thermador Customer Support: 1-800-735-4328. |
Error Codes
Appliance has detected faulty (heater) electronics in the self-test.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
E12 - There is limescale build up in the heat pump.
Use a descaler to remove hard water deposits and limescale buildup.
To help avoid this issue in future instances, use softener salt in your dishwasher if it comes with a water softener. Review your owner's manual to learn more. Watch the video for a guided tutorial on loading salt in the dishwasher. Purchase softener salt in the Thermador Accessories Store.
E14 - There is a flow meter failure or an issue with water flowing into the dishwasher or the filling system.
Please contact Thermador Customer Support at 1-800-735-4328 for further assistance.
E15 - The safety switch has detected water in the base of the dishwasher. The leakage protection system has activated.
Please turn off the water inflow and contact Thermador Customer Support at 1-800-735-4328 if you need further assistance.
E16 or E17 - There is an issue with water flowing into the dishwasher or the filling system. The water may not be able to enter the dishwasher.
Check the inlet hose and make sure it isn't kinked or damaged.
E18 - The water level is too low, or water is not being pumped correctly.
Please check the following things:
1. Check the inlet hose and make sure it isn't kinked or damaged.
2. Make sure the water supply is turned on. The water flow rate should be 10 l/min.
E22 - The dishwasher filter is blocked.
You will need to clean the filter. Follow the steps below or watch the video for a guided tutorial.
1. Unscrew the filter.
2. Disassemble the filter and rinse it under running water. Use a soft brush to help remove the debris.
3. Reassemble the filter and place it back on the bottom of the dishwasher. Make sure to lock it in place.
E23 - The drain pump is blocked, clogged, or faulty.
Please contact Thermador Customer Support at 1-800-735-4328 for further assistance.
E24 - The dishwasher is not draining properly because the drain filter is blocked.
Please check the following things:
1. Check the inlet hose and ensure it's not kinked or damaged.
2. The pump cover may be loose. The pump cover is located at the bottom of the dishwasher underneath the filter. Remove the filter to reveal the pump cover and ensure that it’s not loose. If you have trouble locating it, review your owner's manual.
3. If the dishwasher drain hose is connected to a garbage disposal's dishwasher drain connection, ensure that the plug is removed from the disposer’s dishwasher drain connection.
E25 - The drain pump is blocked or the drain pump cover is loose or missing.
Please check the following things:
1. Check to see if the drain pump cover is loose. The pump cover is located at the bottom of the dishwasher underneath the filter. Remove the filter to reveal the pump cover and ensure that it’s not loose. If you have trouble locating it, review your owner's manual.
2. The drain pump may be blocked. The pump is located at the bottom of the dishwasher underneath the filter. First, remove the filter completely to reveal the drain pump cover. Next, pry off the pump cover with a spoon until it clicks. Grip the cover and pull upward until you feel resistance. Then pull forward to remove the cover completely. Check the pump and remove any debris and standing water with a sponge. Use caution as some debris may be sharp. If needed, review your owner's manual for more specific instructions.
E27 - The supply voltage is too low.
This not a fault or error for the appliance. Please have your home's voltage and electrical system checked by a professional electrician.
There is a heat pump motor circuit fault at the main control board.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is a main control board relay fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
Appliance has detected faulty (heater) electronics in the self-test.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
There is a wash arm diverter circuit in main control board fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is a main control board relay fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
Failure causing electronics miscommunication.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
There is a heat pump internal heater fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is limescale build-up in the heat pump.
The dishwasher needs to be descaled. A descaler can be used to descale your dishwasher.
Dishwashers are used on a regular basis which means that limescale can build up quickly, especially in hard water areas. To help your dishwasher work efficiently and effectively, and to ensure your dishes come out clean, regular descaling is important.
To help avoid this issue in the future, use softening salt in your dishwasher if it comes with a water softener function.
Purchase the descaler here and purchase softening salt here.
There is a Zeolite (Crystal Dry) chamber heater fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
The Zeolite (Crystal Dry) fan motor is defective.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is a flow meter failure or an issue with water flowing into the dishwasher or the filling system.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
The safety switch has detected water in the base of the dishwasher. Your leakage protection system has been activated.
Please turn off the water inflow and contact Thermador Customer Support at 1-800-735-4328 for assistance.
There is an issue with water flow into the dishwasher. The water level is too low, or water is not being pumped correctly.
1. Check the inlet hose and make sure it isn't kinked or damaged.
2. Make sure the water supply is turned on. The water flow rate should be 10 l/min.
For further assistance, please contact Thermador Customer Support at 1-800-735-4328.
There is an issue with water flowing into the dishwasher or the filling system. The water may not be able to enter the dishwasher.
Check the inlet hose and make sure it isn't kinked or damaged. For further assistance on how to troubleshoot your dishwasher, contact Thermador Customer Support at 1-800-735-4328.
There is a heat pump internal heater fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
The heat pump is blocked.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is an issue with the drain pump. This happens when the drain pump is blocked, clogged, or faulty.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
The drain pump is blocked or the drain pump cover is loose or missing.
1. Check to see if the drain pump cover is loose. The pump cover is located at the bottom of the dishwasher underneath the filter. Remove the filter to reveal the pump cover and ensure that it’s not loose. If you have trouble locating it, review your owner’s manual.
2. The drain pump may be blocked. The pump is located at the bottom of the dishwasher underneath the filter. First, remove the filter completely to reveal the drain pump cover. Next, pry off the pump cover with a spoon until it clicks. Grip the cover and pull upward until you feel resistance. Then pull forward to remove the cover completely. Check the pump and remove any debris and standing water with a sponge. Use caution as some debris may be sharp. If needed, review your owner's manual for more specific instructions.
The dishwasher is not draining properly due to the drain filter being blocked.
1. Check the inlet hose and ensure it's not kinked or damaged.
2. The pump cover may be loose. The pump cover is located at the bottom of the dishwasher underneath the filter. Remove the filter to reveal the pump cover and ensure that it’s not loose. If you have trouble locating it, review your owner's manual.
3. If the dishwasher drain hose is connected to a garbage disposal's dishwasher drain connection, ensure that the plug is removed from the disposer’s dishwasher drain connection.
PowerControl™ (Controlled Lower Spray Arm) reference position not found.
Contact Thermador Customer Support at 1-800-735-4328 for assistance.
There is a detergent dispenser solenoid circuit fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
There is a door sensor circuit fault/error.
Reset power to breaker for 30 seconds. If not resolved, call Thermador Customer Support at 1-800-735-4328 for assistance.
The house power supply to the unit is too low.
Reset power to breaker for 30 seconds.If the error occurs again, contact an electrician to check incoming voltage to the appliance.
The dishwasher filter is blocked. The filter is the area where food particles get caught and it needs to be cleaned regularly.
Remove and wash the filter under running water with mild soap and a soft brush to remove debris then reinstall.
You can find the full instructions on how to clean your dishwasher filter here.
There is no salt in the dishwasher.
Refill the softening salt.
There is no rinse aid in the dishwasher.
Refill the rinse aid.
UP - This is not an error code and indicates your dishwasher's software has been updated.
Press any program button to clear this message.
Please contact Thermador Customer Support at 1-800-735-4328 if your error code is not listed below as it may require technician assistance.