TouchControl Error
Er21
Control module overheating.
Bosch Cooktop Er21 Error Code Error Code Possible Causes
- Cooking zones next to the control module on for a long time and at high power. Leave appliance to cool down. Press Sensor button to switch off acoustic signal.
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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.