Gree Error Code H3: Compressor Overload Protection
Warning: Your Gree air conditioner has encountered a compressor overload and has shut down to prevent damage.
How to Fix Gree Code H3
- Step 1: Turn off your air conditioner at the thermostat and at the circuit breaker.
- Step 2: Check and replace your air filter if it's dirty. A clean filter can prevent the compressor from overheating.
- Step 3: If the issue persists, call a professional HVAC technician to diagnose and repair the problem.
How to Reset Gree Code H3
- 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 H3 mean?
The H3 error code on your Gree air conditioner indicates that the compressor has overheated and tripped its overload protection. This is a safety feature designed to prevent damage to the compressor. The compressor is the heart of your air conditioner, and if it fails, it can be expensive to replace. It's important to address this issue promptly to avoid further damage or a complete system failure.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Compressor | Gree 3880015000 | — |
| Compressor Relay | Gree 3880015001 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| E1 | High Pressure Protection | Warning |
| E2 | Anti-Freeze Protection | Warning |
| E3 | Low Pressure Protection | Warning |
| E4 | Compressor Discharge Temp 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 |