Gree Error Code F5: Compressor Discharge Sensor Failure
Warning: Your Gree air conditioner has detected a problem with the compressor discharge sensor. It's safe to use, but you should schedule a professional repair soon.
How to Fix Gree Code F5
- Turn off your air conditioner at the thermostat and the circuit breaker for safety.
- Check if your AC is cooling properly. If not, or if it's cycling on and off frequently, call a professional HVAC technician.
- Do not attempt to open the unit or tamper with the electrical components. This requires professional handling.
How to Reset Gree Code F5
- Turn off the unit using the remote control or wall controller.
- Turn off the circuit breaker for the outdoor and indoor units. Wait 60 seconds.
- Restore power at the breaker.
- Turn the unit on with the remote control. If the error returns, the fault needs professional diagnosis.
Resetting clears the code from the display but does not fix the underlying fault. If the code returns after reset, proceed to the diagnostic steps above.
What Does Gree Error Code F5 Mean?
The F5 error on your Gree air conditioner indicates a failure in the compressor discharge sensor. This sensor measures the temperature of the refrigerant leaving the compressor. If it malfunctions, your AC may not cool properly or may cycle on and off frequently. In some cases, it might cause the system to lock up entirely. This issue is not an immediate safety hazard, but it's important to address it promptly to prevent further damage to your AC system.
Common Causes
- A faulty compressor discharge sensor
- Incorrect refrigerant charge
- Air in the refrigerant lines
- Wiring issues or poor electrical connections
Diagnostic Steps
| If... | Check | Expected |
|---|---|---|
| The compressor is running but the AC is not cooling | Measure the refrigerant pressure at the compressor discharge port using a manifold gauge set | Normal pressure for your specific refrigerant type and system |
| The compressor is not running | Check for any visible damage to the wiring harness connected to the compressor discharge sensor | No damage or corrosion |
Applicable Gree Models
- G-Series(electric)
- NC Series(electric)
- NCA(electric)
- NCB(electric)
- NCB Series(electric)
- NCG(gas)
- NCM(electric)
- NCQ(electric)
- NCV(electric)
- NG Series(gas)
- NPC(electric)
- NPE(electric)
- NPE Series(electric)
- NSC Series(electric)
- NSE(electric)
Replacement Parts
| Part | OEM Number | Est. Cost | Where to Buy |
|---|---|---|---|
| Compressor Discharge Sensor | Gree 3412950000 | — | Find Part |
| Refrigerant Manifold Gauge Set | — | — | — |
Related Codes on Same Models
Other codes that affect the same Gree model families as F5.
| Code | Description | Severity |
|---|---|---|
| C5 | Jumper/PCB Malfunction | Warning |
| E1 | High Pressure Protection | Warning |
| E3 | Low Pressure Protection | Warning |
| E5 | Over-Current Protection | Warning |
| E7 | Mode Conflict | Warning |
| F0 | Blower Temp Sensor Malfunction | Warning |
| F3 | Outdoor Ambient Sensor Failure | Warning |
| H1 | Defrost Mode (Normal) | Warning |
| H5 | IPM Protection | Warning |
| P0 | Inverter Module Protection | Warning |