Bosch Dishwasher Error Codes
The complete list of 46 Bosch dishwasher error codes, based on Bosch's official information. Find your code to see what it means and what you can safely do yourself. Codes with step-by-step fixes have their own guide.
| Code | Meaning | What to do |
|---|---|---|
| E01 | Heat pump motor circuit fault. Fault in the heat pump motor circuit at the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E02 | Main control board relay fault. Relay fault/error on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E03 | Main control board relay fault. Relay fault/error on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E04 | Faulty heater electronics (self-test). The appliance detected faulty heater electronics during its self-test. | Contact Bosch customer service; there is no user fix for this code. |
| E05 | Wash arm diverter circuit fault. Fault in the wash-arm diverter circuit on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E06 | Door sensor circuit fault. Fault in the door sensor circuit. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E07 | Zeolite (Crystal Dry) fan motor defective. The fan motor of the Zeolite / Crystal Dry drying system is defective. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E09 | Heat pump internal heater fault. Fault in the internal heater of the heat pump. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E10 | Zeolite chamber heater fault. Fault in the Zeolite (Crystal Dry) chamber heater. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E12 | Limescale in the heat pump. Limescale build-up in the heat pump / heating system. | Step-by-step fix |
| E14 | Flow meter / filling system fault. Flow meter failure, or a problem with water flowing into the dishwasher / filling system. | Check the water supply is on, water flows through the shut-off valve, and the inlet hose is not kinked. |
| E15 | Leakage protection (AquaStop) triggered. The safety switch detected water in the base of the dishwasher; the leakage protection system has been activated. | Step-by-step fix |
| E16 | Water cannot enter the dishwasher. Problem with water flowing into the dishwasher or the filling system; water may not be able to enter. | Check that the inlet hose is not kinked or damaged. |
| E18 | Water level too low / water not pumped correctly. Problem with water flow into the dishwasher: water level too low, or water not being pumped correctly. | Step-by-step fix |
| E19 | Detergent dispenser solenoid circuit fault. Fault in the detergent dispenser solenoid circuit. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E20 | Heat pump internal heater fault. Fault in the internal heater of the heat pump. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E21 | Heat pump blocked. The heat pump is blocked. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E22 | Filter / drain blockage. There are several possible causes; the first check is the filter. | Step-by-step fix |
| E23 | Drain pump blocked, clogged or faulty. Problem with the drain pump: blocked, clogged or faulty. | Contact Bosch customer service; there is no user fix for this code. |
| E24 | Drain problem. There are several possible causes; a blocked drain pump is the main one. | Step-by-step fix |
| E25 | Drain pump blocked (foreign object / pump cover). There are several possible causes, including a pump blocked by foreign objects or an incorrectly fitted pump cover. | Step-by-step fix |
| E27 | House power supply too low. The household supply voltage to the unit is too low. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E0100 | Heat pump motor circuit fault. Heat pump motor circuit fault at the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E0103 | Main control board relay fault. Relay fault/error on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E0105 | Faulty heater electronics (self-test). Faulty (heater) electronics detected in the self-test. | Contact Bosch customer service; there is no user fix for this code. |
| E0106 | Wash arm diverter circuit fault. Wash-arm diverter circuit fault on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E0107 | Main control board relay fault. Relay fault/error on the main control board. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E0110 | Electronics miscommunication. Failure causing electronics miscommunication. | Contact Bosch customer service; there is no user fix for this code. |
| E2030 | Heat pump internal heater fault. Heat pump internal heater fault/error. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E2060 | Limescale in the heat pump. Limescale build-up in the heat pump. | Step-by-step fix |
| E2120 | Zeolite chamber heater fault. Zeolite (Crystal Dry) chamber heater fault/error. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E2130 | Zeolite fan motor defective. The Zeolite (Crystal Dry) fan motor is defective. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E3000 | Flow meter / filling system fault. Flow meter failure or an issue with water flowing into the dishwasher / filling system. | Contact Bosch customer service; there is no user fix for this code. |
| E3100 | Leakage protection triggered. The safety switch detected water in the base; leakage protection activated. | Shut off the water inflow. |
| E200 | Water level too low / not pumped correctly. Water level too low, or water not being pumped correctly. | Step-by-step fix |
| E3300 | Water cannot enter (E3300 & E3400). Problem with water flowing into the dishwasher / filling system; water may not be able to enter. This guidance covers both E3300 and E3400. | Check the inlet hose is not kinked or damaged. |
| E6001 | Heat pump internal heater fault. Heat pump internal heater fault/error. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E6002 | Heat pump blocked. The heat pump is blocked. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E6101 | Drain pump blocked, clogged or faulty. Issue with the drain pump (blocked, clogged or faulty). | Contact Bosch customer service; there is no user fix for this code. |
| E6102 | Drain problem. Several possible causes; run the drain checks. | Step-by-step fix |
| E6103 | Drain problem. Several possible causes; run the drain checks. | Step-by-step fix |
| E6160 | PowerControl reference position not found. PowerControl (controlled lower spray arm) reference position not found. | Contact Bosch customer service; there is no user fix for this code. |
| E6900 | Detergent dispenser solenoid circuit fault. Detergent dispenser solenoid circuit fault/error. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E8000 | Door sensor circuit fault. Door sensor circuit fault/error. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E9001 | House power supply too low. The household supply voltage to the unit is too low. | Switch the dishwasher off at the circuit breaker for 30 seconds, then restore power. |
| E9240 | Filter / drain blockage. Several possible causes; clean the filter as described for E22, then run the drain checks. | Step-by-step fix |
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Last checked 2026-10-28. Codes can differ by model and region; your appliance's manual is the final reference.