ErrorKhoj

Gree Air Conditioner

Gree AC E4 error

Compressor overheating

Needs a technicianReported by one source — verify

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

We found this meaning in only one secondary source. Confirm it with your user manual or brand customer care before any repair.

What it means

The gas leaving the compressor is too hot, so the AC stops to protect the compressor.

Common causes

  • Low gas / leak
  • Dirty outdoor coil or poor air flow
  • Faulty sensor or expansion valve

Try this at home first

Tick each step as you go

When to call a technician

If it repeats, a technician should check gas pressure, the outdoor coil and the sensor.

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 E4 mean on a Gree Air Conditioner?

Compressor overheating. The gas leaving the compressor is too hot, so the AC stops to protect the compressor.

Can I fix Gree Air Conditioner error E4 myself?

You can try a reset first: Switch off and let it cool for 30 minutes. If the code returns, call a technician.

Is it safe to keep using the Air Conditioner with E4?

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

Other Gree AC codes

E1 High pressure / overload protection E2 Indoor coil anti-freeze protection E3 Low gas / refrigerant leak or blockage E5 Overcurrent / compressor overload E6 Communication error (indoor ↔ outdoor unit) E7 Mode conflict (multi-split) E9 Drain / water overflow protection F1 Indoor room temperature sensor fault / Indoor coil (evaporator) temperature sensor fault F2 Indoor coil (evaporator) temperature sensor fault / Outdoor coil (condenser) temperature sensor fault

All Gree Air Conditioner error codes

Same code on other brands

E4 Compressor overheating / High pressure / overload protection / Indoor room temperature sensor faultVoltas AC E4 High pressure / overload protection / Compressor overheating / Indoor fan motor fault / Drain / water overflow protectionBlue Star AC E4 Outdoor air temperature sensor faultLloyd AC E4 Memory (EEPROM) error — indoor unit boardHaier AC FE Too much water (overflow)LG Washing Machine E-02 Cooking time set too longSamsung Microwave E4 Door / lid not closed or not locking / Too much water (overflow)IFB Washing Machine E4 Unbalanced load / Door / lid not closed or not lockingGodrej Washing Machine E01 Control board (PCB) faultBosch Dishwasher

Sources

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

Last checked: 2026-10-20