Gree Error Code E4: Compressor Discharge Temp Protection
Warning: Your Gree HVAC system has triggered a safety feature due to high compressor discharge temperature. It's safe to call a professional for repair.
How to Fix Gree Code E4
- Turn off your HVAC system at the thermostat and the main power switch.
- Check if the outdoor unit's condenser coils are clean. If not, gently clean them with a soft brush and water.
- Contact a professional HVAC technician for further diagnosis and repair.
How to Reset Gree Code E4
- 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.
What does E4 mean?
The E4 error code on your Gree HVAC system indicates that the compressor discharge temperature has exceeded the safe limit. This is a built-in safety feature to prevent damage to your unit. The system will shut down to protect itself and needs professional attention to resolve the issue.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Compressor | 4850212000 | — |
| Temperature sensor | 4850212001 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| E1 | High Pressure Protection | Warning |
| E2 | Anti-Freeze Protection | Warning |
| E3 | Low Pressure Protection | Warning |
| E5 | Over-Current Protection | Warning |
| E6 | Communication Error Indoor/Outdoor | Warning |
| E7 | Mode Conflict | Warning |
| E8 | Anti-High Temperature Protection | Warning |
| E9 | Cold Air Prevention | Warning |
| F0 | Blower Temp Sensor Malfunction | Warning |
| F1 | Indoor Ambient Sensor Failure | Warning |