2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part 5304504863

Electronic control board

Top Error Codes for Electrolux

CodeTypeDescription

C5Air ConditionerJumper cap malfunction protection – no jumper cap inserted, incorrect...E1Air ConditionerSystem high pressure protection – possible causes include excessive...E2Air ConditionerAnti-freezing protection – evaporator freeze protection activated due to poor...E3Air ConditionerSystem low pressure protection – low pressure switch has stopped operation.E4Air ConditionerCompressor high discharge temperature protection.E5Air ConditionerAC overcurrent protection – possible causes include unstable supply voltage,...E6Air ConditionerCommunication malfunction between indoor and outdoor units.E8Air ConditionerHigh temperature resistant protection (overload/high temperature).EEAir ConditionerEEPROM malfunction on outdoor control panel.EUAir ConditionerLimit/decrease compressor frequency due to high IPM module temperature.F1Air ConditionerIndoor ambient temperature sensor open or short circuited.F2Air ConditionerIndoor evaporator (tube) temperature sensor open or short circuited.F3Air ConditionerOutdoor ambient temperature sensor open or short circuited.F4Air ConditionerOutdoor condenser temperature sensor open or short circuited.F5Air ConditionerOutdoor discharge temperature sensor open or short circuited.

View all Electrolux error codes

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