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GE Ductless Heat Pump Error Codes: Meanings & Safe Checks
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E1 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies E1 as: Room-temperature sensor failure. Search/display variants: E1 caution E2 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies E2 as: Indoor-coil sensor failure. Search/display variants: E2 caution E4 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies E4 as: Indoor EEPROM error. Search/display variants: E4 caution E7 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies E7 as: Communication fault between the indoor and outdoor units. Search/display variants: E7 caution E14 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies E14 as: Indoor fan motor malfunction. Search/display variants: E14 caution F1 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F1 as: IPM protection. Search/display variants: F1 caution F2 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F2 as: Compressor overcurrent. Search/display variants: F2 stop-use F3 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F3 as: Communication fault between the IPM and outdoor PCB. Search/display variants: F3 caution F4 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F4 as: Compressor-discharge over-temperature protection. Search/display variants: F4 stop-use F6 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F6 as: Ambient-temperature sensor failure. Search/display variants: F6 caution F7 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F7 as: Suction-temperature sensor failure. Search/display variants: F7 caution F8 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F8 as: Outdoor DC fan motor fault. Search/display variants: F8 caution F11 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F11 as: Compressor deviation from normal operation. Search/display variants: F11 caution F12 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F12 as: Outdoor EEPROM error. Search/display variants: F12 caution F19 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F19 as: Power voltage is too high or too low. Search/display variants: F19 stop-use F21 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F21 as: Defrost-temperature sensor failure. Search/display variants: F21 caution F22 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F22 as: AC overcurrent protection for the outdoor unit. Search/display variants: F22 stop-use F23 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F23 as: Single-phase compressor overcurrent protection. Search/display variants: F23 stop-use F25 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F25 as: Compressor-discharge temperature sensor failure. Search/display variants: F25 caution F27 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F27 as: The compressor has a locked rotor or stopped momentarily. Search/display variants: F27 stop-use F28 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F28 as: Station detection-loop error. Search/display variants: F28 caution F36 The official GE Altitude Series Ductless Split Heat Pump Service Manual identifies F36 as: Outdoor-coil temperature sensor failure. Search/display variants: F36 caution