Gree aircon Singapore
Gree is a Chinese HVAC manufacturer with residential split and multi-split systems sold in Singapore. Local catalogue material shows Lomo single split and Free Match multi split families.
| Origin | China |
|---|---|
| Parts supply | Moderate |
| Fault signal | Display code |
| System types | Split, Multi-split, Inverter |
| Typical lifespan | 8-12 years |
Gree diagnostics
Search the source-backed Gree diagnostic table by code, model family, or system type.
Common Gree problems
Common Gree patterns include pressure protection from airflow or refrigerant-side issues, F-series thermistor faults, mode conflicts on multi-split systems, and outdoor electrical protection codes tied to inverter or power-module diagnosis.
Common fault patterns
Pressure protection
E1 and E3 style protection codes usually need airflow, coil, pressure, and refrigerant-side checks before any top-up.
Sensor fault
F-series rows point to indoor or outdoor thermistor faults. Connector checks come before replacing sensors or boards.
Mode conflict
E7 can happen on multi-split systems when rooms are set to different operating modes. Align all rooms to cooling first.
Power-module protection
H5/P5 and related electrical protection codes require voltage, inverter module, compressor, and outdoor PCB checks.
Repair or replace, by age
Use this as a starting frame — the fault itself often matters more than the age.
| Age | Default lean |
|---|---|
| Under 5 years | Repair is usually sensible. Most faults at this age are sensor, drainage, wiring, or installation-related. |
| 5-8 years | Repair is still viable for sensors, fans, and minor electrical faults. For inverter-board or compressor faults, price the parts before committing. |
| Over 8 years | Major compressor or inverter faults can approach replacement economics on a budget-tier system. Confirm the fault before spending. |
Models we see in Singapore
On most Gree wall-mounted units, open the front cover and check along the side or lower chassis edge for the indoor model sticker. The outdoor model sticker is usually near the service valve panel.
Lomo single split
Residential wall-mounted split family shown in local Gree catalogue material with LED display and self-diagnosis feature notes.
Free Match multi split
Residential multi-split system family shown in local Gree catalogue material for multi-room installations.
Patterns we see on Gree
Things worth knowing before you describe the symptom to anyone.
Gree common error-code meanings are useful for first triage, but model-family confirmation still matters. Record the indoor model, outdoor model, and exact code before resetting.
On multi-split systems, check that every indoor unit is set to the same mode before assuming an electrical fault. Mixed cool and heat/dry settings can trigger mode-conflict behavior.
Pressure protection codes should not be answered with blind gas top-up. Cleanliness, fan operation, and actual refrigerant pressure need to be checked first.
F-series sensor codes are usually straightforward once the right sensor is identified, but PCB faults can mimic sensor readings when connectors or board inputs fail.
Maintenance cadence: Gree systems need the same Singapore maintenance baseline as other wall-mounted splits: frequent filter cleaning, regular coil cleaning, and pressure checks only when cooling symptoms justify them.
Every Gree model on the Singapore NEA register
24 models currently on Singapore's NEA energy-label register, by system type. Green ticks rate efficiency, not cooling power — more ticks mean lower running cost under the standard test. For split systems these are the codes on the unit outside; window, casement and portable units are a single box, so the code is on the unit itself.
Multi Split (8)
| Model | Capacity | Green ticks | Cost / year |
|---|---|---|---|
| GWCD-MS18/O | 5.16 kW | 5 ticks | $536 |
| GWCD(18)NK6AO | 5.39 kW | 5 ticks | $547 |
| GWCD-MS21/O | 6.16 kW | 5 ticks | $653 |
| GWCD(21)NK6AO | 6.3 kW | 5 ticks | $664 |
| GWCD-MS28/O | 7.15 kW | 5 ticks | $735 |
| GWCD(28)NK6AO | 7.37 kW | 5 ticks | $757 |
| GWCD(32)NK6AO | 8.44 kW | 5 ticks | $878 |
| GWCD-MS32/O | 8.51 kW | 5 ticks | $874 |
Single Split (10)
| Model | Capacity | Green ticks | Cost / year |
|---|---|---|---|
| GWC-09SP/O | 2.62 kW | 5 ticks | $271 |
| GWC-09Charmo/O | 2.65 kW | 5 ticks | $262 |
| GWC09ATDXD-K6DNA3A/O | 2.65 kW | 5 ticks | $262 |
| GWC-12SP/O | 3.43 kW | 5 ticks | $360 |
| GWC12ATDXE-K6DNA3A/O | 3.47 kW | 5 ticks | $347 |
| GWC-12Charmo/O | 3.48 kW | 5 ticks | $352 |
| GWC-18SP/O | 4.91 kW | 4 ticks | $576 |
| GWC-18Charmo/O | 5.45 kW | 4 ticks | $580 |
| GWC18ATEXF-K6DNA3B/O | 5.45 kW | 4 ticks | $580 |
| GWC-24Charmo/O | 6.55 kW | 4 ticks | $719 |
Single-phase VRF (6)
| Model | Capacity | Green ticks | Cost / year |
|---|---|---|---|
| GMVL-120K1D | 12 kW | 5 ticks | $1,339 |
| GMVL-120WL/A-K(P) | 12 kW | 5 ticks | $1,339 |
| GMVL-140K1D | 13.76 kW | 5 ticks | $1,509 |
| GMVL-140WL/A-K(P) | 13.76 kW | 5 ticks | $1,509 |
| GMVL-160K1D | 15.86 kW | 5 ticks | $1,734 |
| GMVL-160WL/A-K(P) | 15.86 kW | 5 ticks | $1,734 |
NEA energy-label records, checked 22 Jul 2026. Running cost is the label's standard usage assumption, not a quote. Compare against every brand
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Fault-finding work on Gree systems: diagnosis, parts, outcome.
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