Electrolux Cooktop Error Code 31

Error code 31 on an Electrolux cooktop signals a power level failure. This means the cooktop's control system cannot properly regulate or communicate power output to the cooking elements. The fault originates in the circuit path between the filter board and the power board, including the wire harness that connects them. The cooktop will not operate normally until the underlying cause is identified and corrected.

No, you should not attempt to use the cooktop while error 31 is active. The fault indicates the cooktop cannot properly control power levels, which means cooking elements may not respond correctly to your settings. Continuing to use the appliance in this state is a safety risk. Discontinue use and have the cooktop diagnosed before operating it again.

Repair costs depend on which component has failed. If only the wire harness needs repair or reseating, costs are minimal. A replacement power board typically runs in the range of $100 to $250 for the part, while a filter board may cost $80 to $200, with labor costs added if a technician performs the repair. Getting a diagnostic estimate from a qualified technician before committing to parts replacement is advisable.

A knowledgeable DIYer can inspect the Blue and Black wire harness between the filter board and power board for visible damage, loose connectors, or corrosion without advanced tools. However, replacing the power board or filter board involves working with high-voltage components and requires comfort with appliance disassembly. If you are not experienced with internal appliance repair, a qualified technician should perform the board-level diagnostics and replacement.

A power reset by switching off the circuit breaker for 30 to 60 seconds may temporarily clear the display, but error 31 will return if the underlying hardware fault is not corrected. The code is caused by a physical failure in the wire harness or one of the control boards, not a software glitch. A reset alone is not a repair and should not be relied upon as a solution.