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GE Endure Multi Heat Pump Error Codes: Meanings & Safe Checks
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C1 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies C1 as: Incorrect zero-cross signal detection. Search/display variants: C1 caution E1 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E1 as: Indoor ambient-temperature sensor failure. Search/display variants: E1 caution E2 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E2 as: Indoor-coil temperature sensor failure. Search/display variants: E2 caution E4 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E4 as: Indoor control-board EEPROM failure. Search/display variants: E4 caution E5 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E5 as: Indoor coil frosted; the hidden E5 variant indicates indoor… Search/display variants: E5 caution E7 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E7 as: Communication failure between the indoor and outdoor units. Search/display variants: E7 caution E8 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E8 as: Communication fault between the controller and indoor unit. Search/display variants: E8 caution E9 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E9 as: Indoor thermal overload; the hidden E9 variant indicates… Search/display variants: E9 stop-use E12 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E12 as: Drain-system malfunction. Search/display variants: E12 caution E13 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E13 as: Incorrect zero-cross signal detection. Search/display variants: E13 caution E14 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies E14 as: Indoor fan-motor malfunction. Search/display variants: E14 caution F1 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F1 as: IPM overcurrent or short circuit. Search/display variants: F1 stop-use F2 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F2 as: Hidden indoor code for compressor startup failure or… Search/display variants: F2 stop-use F3 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F3 as: Communication failure between the IPM and outdoor control board. Search/display variants: F3 caution F4 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F4 as: Compressor-discharge temperature overheat protection. Search/display variants: F4 stop-use F5 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F5 as: Hidden indoor code for power-module thermal overload. Search/display variants: F5 stop-use F6 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F6 as: Outdoor ambient-temperature sensor failure. Search/display variants: F6 caution F7 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F7 as: Suction-temperature sensor failure. Search/display variants: F7 caution F8 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F8 as: Hidden indoor code for an outdoor DC fan-motor malfunction. Search/display variants: F8 caution F9 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F9 as: Microcontroller reset. Search/display variants: F9 caution F10 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F10 as: Circuit A liquid-pipe temperature sensor failure. Search/display variants: F10 caution F11 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F11 as: Loss of compressor synchronization. Search/display variants: F11 stop-use F12 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F12 as: Outdoor control-board EEPROM failure. Search/display variants: F12 caution F13 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F13 as: Hidden indoor code indicating lack of refrigerant or… Search/display variants: F13 stop-use F14 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F14 as: Hidden indoor code for a 4-way-valve switching failure. Search/display variants: F14 stop-use F15 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F15 as: Hidden indoor code indicating terminal-block temperature is… Search/display variants: F15 stop-use F16 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F16 as: Circuit B liquid-pipe temperature sensor failure. Search/display variants: F16 caution F17 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F17 as: Circuit C liquid-pipe temperature sensor failure. Search/display variants: F17 caution F18 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F18 as: Circuit D liquid-pipe temperature sensor failure. Search/display variants: F18 caution F19 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F19 as: Hidden indoor code indicating power-module voltage is too low… Search/display variants: F19 stop-use F20 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F20 as: Hidden indoor code for compressor or power-module overload… Search/display variants: F20 stop-use F21 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F21 as: Defrost-temperature sensor malfunction. Search/display variants: F21 caution F22 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F22 as: Outdoor AC overcurrent protection. Search/display variants: F22 stop-use F23 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F23 as: IPM phase-current protection. Search/display variants: F23 stop-use F24 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F24 as: Power-module current-detection circuit malfunction. Search/display variants: F24 caution F25 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F25 as: Compressor-discharge temperature sensor failure. Search/display variants: F25 caution F26 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F26 as: Circuit E gas-pipe temperature sensor failure. Search/display variants: F26 caution F27 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F27 as: Compressor-current sampling-circuit fault. Search/display variants: F27 stop-use F28 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F28 as: Compressor-position detection-circuit fault. Search/display variants: F28 stop-use F29 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F29 as: Circuit A gas-pipe temperature sensor failure. Search/display variants: F29 caution F30 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F30 as: The manual uses F30 for a hidden… Search/display variants: F30 stop-use F31 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F31 as: Circuit C gas-pipe temperature sensor failure. Search/display variants: F31 caution F32 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F32 as: Circuit D gas-pipe temperature sensor failure. Search/display variants: F32 caution F33 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F33 as: Circuit E liquid-pipe temperature sensor failure. Search/display variants: F33 caution F34 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F34 as: Outdoor-pipe temperature protection in cooling mode. Search/display variants: F34 stop-use F35 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F35 as: Power-module temperature sensor malfunction or momentary… Search/display variants: F35 caution F36 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F36 as: Condensing-temperature sensor malfunction. Search/display variants: F36 caution F38 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F38 as: Toci temperature sensor failure. Search/display variants: F38 caution F39 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F39 as: High-pressure switch is open. Search/display variants: F39 stop-use F40 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F40 as: Low-pressure switch is open. Search/display variants: F40 stop-use F41 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F41 as: System high-pressure protection associated with overcharge,… Search/display variants: F41 stop-use F42 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F42 as: System low-pressure protection associated with undercharge,… Search/display variants: F42 stop-use F43 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies F43 as: Incorrect match between the indoor and outdoor units. Search/display variants: F43 caution L0 The official GE Endure Series Ductless Multi-Split Heat Pump Service Manual identifies L0 as: Outdoor ambient temperature is below -22°F (-30°C). Search/display variants: L0 routine