Gree Error Code E8: Anti-High Temperature Protection
Warning: Your Gree air conditioner has shut down to prevent overheating. It needs professional attention.
How to Fix Gree Code E8
- Check and replace the air filter if it's dirty
- Turn off the unit at the thermostat and try restarting it after 30 minutes
- If the unit doesn't restart, call a professional HVAC technician
How to Reset Gree Code E8
- 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 E8 Mean?
The E8 error on your Gree air conditioner indicates that the anti-high temperature protection has been triggered. This feature is designed to safeguard your unit from overheating, which could potentially cause damage or even a fire. When this error occurs, the system shuts down to prevent any further issues. The most common causes for this error are problems with the temperature sensor or the fan motor.
Common Causes
- Faulty temperature sensor
- Fan motor failure
- Clogged air filter
- Dirty outdoor unit
Diagnostic Steps
| If... | Check | Expected |
|---|---|---|
| Unit is not cooling | Temperature reading at the evaporator coil | Below 40°F (4°C) when running |
| Fan is not running | Fan motor and capacitor for signs of damage or failure | No visible damage, capacitor holds charge |
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 |
|---|---|---|---|
| Temperature Sensor | Gree 301503700 | — | Find Part |
| Fan Motor | Gree 301503701 | — | Find Part |
Related Codes on Same Models
Other codes that affect the same Gree model families as E8.
| 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 |