Thermador Cooktop Error Code E0202

E0202 indicates that the power board's internal EEPROM memory has become corrupted beyond recovery. The EEPROM stores critical operational data for the cooktop's microcontroller, and when that data cannot be read or restored, the system shuts down and displays this code. The fault is hardware-level and cannot be resolved through resetting or recalibration. The power board must be replaced.

It is not recommended to use the cooktop while this error is active. The corrupted EEPROM means the microcontroller cannot reliably manage power delivery and induction zone control. Operating the unit under these conditions could lead to unpredictable behavior or unsafe operation. The cooktop should remain off until the power board is replaced.

Repair costs will vary depending on the specific cooktop model and local labor rates. The power board itself typically falls in the range of $150 to $400 or more for Thermador units, and professional labor to diagnose and install the part can add $100 to $250 to the total. Getting a quote from an authorized Thermador service technician is the best way to get an accurate estimate for your specific model.

No, resetting the cooktop by cycling power or flipping the circuit breaker will not clear E0202. The error is caused by permanent EEPROM memory corruption on the power board, which is a hardware failure. No amount of power cycling can repair corrupted memory cells. A replacement power board is required to resolve this fault.

The required repair is replacing the power board (PB). Because the EEPROM is integrated directly into the power board's microcontroller and is not a separately serviceable component, the entire board must be swapped out. This repair is typically performed by a qualified appliance technician, as it involves disconnecting high-voltage components inside the cooktop.