Gree · A niche brand in the UK. 57 codes across 6 product families, each taken from the manufacturer’s manuals.
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Type the code on your display or a word from its meaning. Each code opens its own page with what it means, whether it is safe and what you can check.
57 codes
| Code | Meaning | Stops? | Homeowner check? |
|---|---|---|---|
| C5 | Indoor capacity switch error | Not stated | Yes |
| d6 | Defrost temperature sensor error | Partly | Yes |
| dH | Heat exchanger-leaving water temperature sensor error | Partly | Yes |
| dL | Low pressure sensor error | Partly | Yes |
| dU | Pull-out of the gate-controller | Not stated | Yes |
| E0 | Heat pump-water pump protection | Not stated | Yes |
| E1 | High pressure protection | Yes | Yes |
| E2 | Indoor anti-frozen protetion | Not stated | Yes |
| E3 | Low pressure protection | Yes | Yes |
| E4 | High discharge protection | Yes | Yes |
| E5 | Overload protection of compressor or driver error | Yes | Yes |
| E6 | Communication malfunction(between outdoor and indoor mainboard) / Communication malfunction(between outdoor mainboard and wired controller) | Not stated | Yes |
| Ec | Water flow switch protection | Not stated | Yes |
| Ed | outlet temperature High-temp protection (This error code will not displayed on wired controller but only on mainboard of outdoor unit) | Not stated | Yes |
| EF | Outdoor fan error | Yes | Yes |
| EH | Welding protection of the auxiliary heater 1 / Welding protection of the auxiliary heater 2 / Welding protection of the water tank heater | Not stated | Yes |
| EL | Solar kit-water pump protection | Not stated | Yes |
| F0 | Room temperature sensor error | Partly | Yes |
| F1 | Refrigerant liquid line temperature sensor error | Partly | Yes |
| F2 | Solar kit-water flow switch | Partly | Yes |
| F3 | Refrigerant gas line temperature sensor error | Partly | Yes |
| F4 | Ambient temperature sensor error | Partly | Yes |
| F5 | Suction temperature sensor error | Partly | Yes |
| F6 | Condenser temperature sensor error | Varies by model | Yes |
| F7 | Discharge temperature sensor error | Partly | Yes |
| F8 | Heat exchanger-entering water temperature sensor error | Partly | Yes |
| F9 | Heat exchanger-leaving water temperature sensor error | Partly | Yes |
| Fc | High pressure sensor error | Varies by model | Yes |
| FE | Water tank water temperature sensor 1 error | Partly | Yes |
| FF | Solar kit- temp sensor | Partly | Yes |
| FH | Solar kit-leaving water temp sensor | Partly | Yes |
| FL | Water tank water temperature sensor 2 error | Partly | Yes |
| H3 | Compressor internal overload protection | Yes | Yes |
| H5 | IPM defective | Yes | Yes |
| H7 | Desynchronizing | Yes | Yes |
| Hc | PFC defective | Not stated | Yes |
| Lc | Start failure | Yes | Yes |
| LD | Phase loss | Yes | Yes |
| LE | Communication error | Yes | Yes |
| LF | Sensing circuit error or current sensor error | Partly | Yes |
| P0 | Drive module resetting | Yes | Yes |
| P2 | Refrigerant loss protection | Yes | Yes |
| P5 | Compressor over-current | Yes | Yes |
| P6 | Communication error (drive-main) | Not stated | Yes |
| P7 | Radiator or IPM or PFC module temperature sensor error | Partly | Yes |
| P8 | Radiator or IPM or PFC module overtemperature | Yes | Yes |
| P9 | AC contactor protection or input zero crossing error | Not stated | Yes |
| PA | AC current protection (input side) | Yes | Yes |
| Pc | Sensing circuit error or current sensor error | Varies by model | Yes |
| PD | Current sensor connection protection (current sensor not connected to phase U/V) | Yes | Yes |
| PE | Temperature drift protection | Not stated | Yes |
| PF | Drive board temperature sensor error | Partly | Yes |
| PH | Over-voltage DC bus | Yes | Yes |
| PL | Under-voltage DC bus or voltage drop error | Yes | Yes |
| PP | Incorrect AC voltage input | Yes | Yes |
| PU | Charging circuit error (single-phase units only) | Yes | Yes |
| U7 | 4-way valve error | Yes | Yes |