Wolf Error Codes
& Diagnostics

20 Cooktop The error code 20 on a Wolf CI Induction Cooktop indicates a fault condition that requires professional service. Wolf does not publish a specific cause for code 20 beyond a power-cycle reset attempt. Medium View details → 3 Cooktop The error code 3 on a Wolf CI Induction Cooktop indicates that water or cookware is sitting on the glass directly over the control area of the control board. The cooktop emits a continuous tone until the obstruction is removed. Low View details → 47 Cooktop The error code 47 (also shown as E47) on a Wolf CI Induction Cooktop indicates a LIN bus communication error. The Local Interconnect Network that ties the cooktop's internal electronics together has lost a message or seen corrupted data. Medium View details → E22 Cooktop The error code E22 on a Wolf CI Induction Cooktop indicates a "Pad error" or "Stuck key error" — the cooktop's touch control system has detected a key that is being held continuously, usually because an object is resting on the control area or a spill has shorted the sensing grid. Low View details → E4 Cooktop The error code E4 on a Wolf CI Induction Cooktop indicates a "configuration implausible" fault — the control board's self-check has detected an internal configuration state that does not match the expected factory profile. Medium View details → E6 Cooktop The error code E6 on a Wolf CI Induction Cooktop indicates an electrical supply error. The cooktop has detected that incoming power is out of range or that the cookware it is trying to heat does not have sufficient iron content to create a strong magnetic connection. Medium View details → E7 Cooktop The error code E7 on a Wolf CI Induction Cooktop indicates a fault condition on a cooking zone. Wolf does not publish a specific decomposition for E7, so the recommended first step is a power-cycle reset. Medium View details → E8 Cooktop The error code E8 on a Wolf CI Induction Cooktop indicates an internal cooling fan error. The fan that moves air through the electronics bay has failed, stalled, or is producing airflow outside expected parameters. High View details → E9 Cooktop The error code E9 on a Wolf CI Induction Cooktop indicates a malfunction that requires professional diagnosis and repair. Wolf does not publish a specific cause for E9 and offers only a power-cycle reset as self-service. High View details → EA Cooktop The error code EA on a Wolf CI Induction Cooktop indicates a controller error. The main control system has detected an internal fault that requires a power-cycle reset or professional service. High View details →