Gree Error Code E5: Over-Current Protection
Warning: Your Gree HVAC system has encountered an over-current protection issue and has shut down to prevent damage.
How to Fix Gree Code E5
- Step 1: Turn off the power to your HVAC system at the thermostat and the circuit breaker.
- Step 2: Inspect the outdoor unit for any visible damage or signs of a short circuit, such as burned wires.
- Step 3: If you're comfortable, check the compressor's electrical connections for tightness and signs of corrosion. If you're unsure, call a professional.
How to Reset Gree Code E5
- 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 E5 Mean?
The E5 error code on your Gree HVAC system indicates that the over-current protection feature has been triggered. This feature is designed to safeguard your unit from excessive electrical current, which can cause damage to components. The most common causes for this error are a faulty compressor, a short circuit in the wiring, or an issue with the control board.
Common Causes
- Faulty compressor
- Short circuit in the wiring
- Issue with the control board
Diagnostic Steps
| If... | Check | Expected |
|---|---|---|
| You hear a clicking sound from the outdoor unit | Measure the voltage at the compressor terminals | 0 volts (open circuit) |
| You don't hear a clicking sound | Check the control board for any visible signs of damage | No visible damage |
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 | Gree 3888010000 | — | Find Part |
| Control Board | Gree 3888020000 | — | Find Part |
Related Codes on Same Models
Other codes that affect the same Gree model families as E5.
| Code | Description | Severity |
|---|---|---|
| C5 | Jumper/PCB Malfunction | Warning |
| E1 | High Pressure Protection | Warning |
| E2 | Anti-Freeze Protection | Warning |
| E3 | Low Pressure 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 |