Gree Error Code P0: Inverter Module Protection
Warning: Your Gree HVAC system has encountered a potentially serious issue with its inverter module. It's safe to operate, but needs professional attention.
How to Fix Gree Code P0
- Step 1: Turn off your HVAC system at the thermostat and the circuit breaker.
- Step 2: Contact a professional HVAC technician for diagnosis and repair.
- Step 3: Do not attempt to open the unit or perform any internal checks yourself.
How to Reset Gree Code P0
- 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 P0 Mean?
The P0 error code on your Gree HVAC system indicates that the inverter module has triggered its protection mechanism. This could be due to an overcurrent, overvoltage, or overtemperature condition. The system has shut down to prevent damage, but it needs professional diagnosis and repair to resume normal operation.
Common Causes
- Overcurrent condition in the inverter module
- Overvoltage at the inverter module input
- Overtemperature condition in the inverter module
- Faulty inverter module or internal components
Diagnostic Steps
| If... | Check | Expected |
|---|---|---|
| HVAC system is not running | Check for any visible signs of damage or overheating on the inverter module | No visible damage or overheating |
| Inverter module is accessible | Measure the voltage at the inverter module input using a multimeter | Voltage within the module's specified range (consult your system's manual) |
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 |
|---|---|---|---|
| Inverter Module | Gree 2101010000 | — | Find Part |
Related Codes on Same Models
Other codes that affect the same Gree model families as P0.
| Code | Description | Severity |
|---|---|---|
| C5 | Jumper/PCB Malfunction | Warning |
| 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 |