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Error code reference
GE Heat Pump Error Codes
94 error codes documented with diagnostic procedures.
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1Outdoor EEPROM failure10Malfunction of defrost temperature sensor (Te)11Suction temperature sensor (Ts) failure12Ambient temperature sensor (Ta) failure13Discharge temperature sensor (Td) failure15Communication failure between the indoor and outdoor unit16Lack of refrigerant or discharge pipe blocked174-way valve switching failure18Loss of synchronism detection2IPM overcurrent or short circuit detected by the inverter power module.20Indoor thermal overload.21Indoor unit overload protection (heating mode) / Indoor coil frosted23Module thermal overload24Compressor start failure, over-current25Phase current protection (IPM)26MCU reset27Module current detect circuit malfunction28Liquid pipe sensor failure29Liquid pipe sensor failure30Liquid pipe sensor failure31Liquid pipe sensor failure32Gas pipe sensor failure33Gas pipe sensor failure34Gas pipe sensor failure35Gas pipe sensor failure36Gas pipe sensor failure38Malfunction of module temperature sensor (Tm)39Malfunction of condensing temperature sensor.4Communication failure between the IPM and outdoor PCB.40Liquid pipe sensor failure41Toci temperature sensor failure42High pressure switch open43Low pressure switch open44System high pressure protection45System low pressure protection5Module operated overload (compressor overload protection).6Module low or high voltage8Overheat protection for discharge temperature9Malfunction of the DC outdoor fan motorC1Zero cross signal detected wrong (alternate display for E13 on console).E1Indoor ambient temperature sensor failure.E12Drain system malfunction.E13Zero cross signal detected wrong.E14Indoor fan motor malfunction.E2Indoor coil temperature sensor failure.E4Indoor PCB EEPROM failure.E5Indoor coil frosted / Indoor anti-frosting protection.E7Communication failure between the indoor and outdoor unit.E8Communication fault between the controller and indoor unit.E9Indoor thermal overload / Indoor unit overload protection (heating mode only).ECCommunication error between outdoor and indoor unit detected during wiring error check…F1IPM overcurrent or short circuit (indoor display code for outdoor error 2).F10Liquid pipe sensor failureF11Loss of synchronism detection (indoor display code for outdoor error 18).F12Outdoor EEPROM failure (indoor display code for outdoor error 1).F13Lack of refrigerant or discharging (hidden indoor code for outdoor error 16).F144-way valve switching failure (hidden indoor code for outdoor error 17).F15Terminal block temp too high (hidden indoor code).F16Liquid pipe sensor failureF17Liquid pipe sensor failureF18Liquid pipe sensor failureF19Module low or high voltage (hidden indoor code for outdoor error 6).F2Compressor start failure, over-current (hidden indoor code for outdoor error 24).F20Module operated overload / compressor overload protection (hidden indoor code for outdoor…F21Malfunction of defrost temperature sensor (indoor display code for outdoor error 10).F22Outdoor alternating current, over current protection.F23Phase current protection (IPM) (indoor display code for outdoor error 25).F24Module current detect circuit malfunction (indoor display code for outdoor error 27).F25Discharge temperature sensor failure (indoor display code for outdoor error 13).F26Gas pipe sensor failureF27Compressor current sampling circuit fault.F28Position detection circuit fault of compressor.F29Gas pipe sensor failureF3Communication failure between the IPM and outdoor PCB (indoor display code for outdoor…F30Gas pipe sensor failureF31Gas pipe sensor failureF32Gas pipe sensor failureF33Liquid pipe sensor failureF34Outdoor pipe temperature protection in cooling mode.F35Malfunction of module temperature sensor momentary power failure detection (indoor…F36Malfunction of condensing temperature sensor (indoor display code for outdoor error 39).F38Toci temperature sensor failure (indoor display code for outdoor error 41).F39High Pressure switch open (indoor display code for outdoor error 42).F4Overheat protection for discharge temperature (indoor display code for outdoor error 8).F40Low Pressure switch open (indoor display code for outdoor error 43).F41System high pressure protection (indoor display code for outdoor error 44).F42System low pressure protection (indoor display code for outdoor error 45).F43Incorrect match between indoor and outdoor unit.F5Module thermal overload (hidden indoor code for outdoor error 23).F6Ambient temperature sensor failure (indoor display code for outdoor error 12).F7Suction temperature sensor failure (indoor display code for outdoor error 11).F8Malfunction of the DC fan motor (hidden indoor code for outdoor error 9).F9MCU reset (indoor display code for outdoor error 26).L0Outdoor air temperature less than -22°F (-30°C).
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Common questions
How do I find the error code on my GE Heat Pump?
Most GE heat pumps show the code directly on the control panel display. If your model has no display, it can be read by entering diagnostic mode with the key sequence for your model. The full procedures include model-specific instructions for reading codes.
Are these codes specific to my model?
The codes here apply broadly to GE heat pumps. Meanings and diagnostic steps can vary by model and production year, so enter your model number for model-specific information and procedures.
What do I do if my code is not listed?
Some codes are model-specific or only appear in diagnostic mode. Enter your model number to get codes specific to your unit, or contact us. We update the database continuously from manufacturer service documentation.
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