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Error code reference
Hardwick Microwave Error Codes
27 error codes documented with diagnostic procedures.
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F0E0No failure (default/good status).F1 E1Internal failureF1 E3Internal failureF1 E4Internal failureF1 E5Internal failureF1E0Internal failureF2 E0Keypad disconnected.F2 E1Stuck or shorted key.F3 E1Lower oven sensor shorted or open.F3 E3Meat probe shorted.F3E2Warming drawer sensor shortedF4 E1Convection thermistor failure (microwave sensors).F4 E2Internal temperature sensor failure (microwave sensors).F4 E4Humidity sensor failure (microwave sensors).F5 E0Door and latch switch do not agree.F5 E1Door latch not operating.F6 E0Lost communications between user interface and appliance manager.F6 E1Cook oven over temperature.F6 E2Clean oven over temperature.F6 E4User interface/appliance manager mismatch.F6E3Mini oven/warm drawer over temperatureF6E5No cavity size commandF7 E0Water is not high enough or water did not boil fast enough.F7 E1Boiler over temperature.F7 E2Boiler NTC out of range.F7 E3Improper filter reset.F7 E4Conductivity sensor not connected.
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