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Haier Air Conditioner

Haier AC F13 error

Low gas / refrigerant leak or blockage

Needs a technicianFrom brand’s official support

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

What it means

The system has detected too little refrigerant flow — usually a gas leak or a blockage in the pipes.

Common causes

  • Gas leak at a joint, coil or pipe
  • Blocked capillary or expansion valve
  • Service valves not fully opened after installation

Try this at home first

Tick each step as you go

When to call a technician

Call a technician to find and fix the leak before refilling gas. Refilling without fixing the leak only wastes money.

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 F13 mean on a Haier Air Conditioner?

Low gas / refrigerant leak or blockage. The system has detected too little refrigerant flow — usually a gas leak or a blockage in the pipes.

Can I fix Haier Air Conditioner error F13 myself?

You can try a reset first: Switch the AC off — running it short of gas can damage the compressor. If the code returns, call a technician.

Is it safe to keep using the Air Conditioner with F13?

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

Other Haier AC codes

F4 Compressor overheating F6 Outdoor air temperature sensor fault F7 Suction pipe temperature sensor fault F8 Outdoor fan motor fault F11 Compressor start / rotation fault F12 Memory (EEPROM) error — outdoor unit board F14 4-way (reversing) valve fault F19 Power supply voltage problem F20 High pressure / overload protection F21 Outdoor coil (condenser) temperature sensor fault F22 Overcurrent / compressor overload F23 Overcurrent / compressor overload

All Haier Air Conditioner error codes

Sources

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

Last checked: 2026-10-20