ErrorKhoj

Gree Air Conditioner

Gree AC H5 error

Inverter board / power module protection

Needs a technicianCross-checked from 2+ sources

Try a reset once. If it comes back, a trained technician should repair it.

What it means

The inverter drive (power module, DC voltage or heat sink) detected a fault and stopped the compressor.

Common causes

  • Voltage spike or unstable supply
  • Outdoor board overheating (poor air flow, very hot day)
  • Failed power module or board parts
  • Compressor wiring problem

Try this at home first

Tick each step as you go

When to call a technician

This needs a trained inverter technician. Users must never open boards or modules.

Safety first

Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.

Frequently asked questions

What does H5 mean on a Gree Air Conditioner?

Inverter board / power module protection. The inverter drive (power module, DC voltage or heat sink) detected a fault and stopped the compressor.

Can I fix Gree Air Conditioner error H5 myself?

You can try a reset first: Switch off at the MCB for 10–15 minutes. If the code returns, call a technician.

Is it safe to keep using the Air Conditioner with H5?

Avoid repeated restarts; running with this fault can cause more damage.

Other Gree AC codes

F2 Indoor coil (evaporator) temperature sensor fault / Outdoor coil (condenser) temperature sensor fault F3 Outdoor air temperature sensor fault F4 Outdoor coil (condenser) temperature sensor fault / Compressor discharge temperature sensor fault F5 Compressor discharge temperature sensor fault / Wired remote temperature sensor fault H1 Defrosting (normal) H3 Overcurrent / compressor overload H6 Indoor fan motor fault C5 Control board (PCB) fault

All Gree Air Conditioner error codes

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20