Fault Codes / Gree

40 codes

GMV5 / GMV5E

• E3 — System low pressure protection
• E4 — Compressor high discharge temperature protection
• F1 — High pressure sensor malfunction
• F3 — Low pressure sensor malfunction

GMV6

• C0 — Indoor fan motor failed or running abnormally.
• C1 — Electronic expansion valve not responding to commands.
• C2 — Condensate drain pan float switch has risen.
• E0 — PCB EEPROM read/write error.
• E1 — High pressure protection triggered.
• E2 — Condenser fan motor malfunction.
• E5 — Insufficient refrigerant in system.
• E6 — Oil inadequately returning to compressor.
• E7 — Outdoor control board internal error.
• F0 — Communication error outdoor ↔ indoor units.
• F2 — Wired remote controller link failure.
• F4 — Indoor unit address conflict or misconfiguration.
• F5 — Internal PCB communication within outdoor unit failed.
• H0 — Return air temperature sensor failure.
• H1 — Indoor coil temperature sensor malfunction.
• H3 — Outdoor ambient temperature sensor fault.
• H4 — Compressor discharge temperature sensor fault.
• H5 — Suction line temperature sensor out of range.
• H6 — Condenser coil temperature sensor failure.
• H8 — High pressure transducer reading error.
• H9 — Low pressure transducer out of range.
• P0 — High pressure protection triggered.
• P1 — Low pressure protection triggered.
• P2 — Compressor overcurrent.
• P3 — Discharge temperature protection (too high).
• P4 — Inverter power module internal fault.
• P5 — Inverter heatsink overtemperature.
• P6 — Compressor startup failure.
• P7 — Incorrect phase sequence or open phase.
• P9 — Indoor coil freeze protection triggered.
• Pb — Inverter DC bus overvoltage.
• Pc — Inverter DC bus undervoltage.
• U2 — Wrong setting of ODU's capacity code/jumper cap
• U3 — Power phase sequence protection
• U4 — Refrigerant-lacking protection
• UE — Charging of refrigerant is invalid