Power Module Error
E04
Ground fault at zeolite heater. Ground fault at heat pump heater. Faulty safety heater relay (power module).
Bosch Dishwasher E04 Error Code Error Code Possible Causes
- Faulty heat pump heater
- Faulty zeolite heater
- Faulty wire harness or connection
- Faulty power module
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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.