If possible check for proper voltage to Relay Control per wiring diagram with unit
The manufacturer has assigned this error or fault code to indicate a possible problem with the voltage to the oven relay control board. First, unplug the range/oven or disconnect power for 10 minutes. If fault or error code returns is is likely a problem with the oven relay control board or the voltage supply to the board. The oven relay control board is also referred to as a circuit board, control board, mother board, or an ERC, which is an abbreviation for Electronic Range Control.