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Haier Air Conditioner

Haier AC F14 error

4-way (reversing) valve fault

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 valve that switches between cooling and heating did not change over correctly.

Common causes

  • Stuck 4-way valve
  • Faulty valve coil or wiring
  • Low gas

Try this at home first

Tick each step as you go

When to call a technician

A technician must test the valve and its coil.

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 F14 mean on a Haier Air Conditioner?

4-way (reversing) valve fault. The valve that switches between cooling and heating did not change over correctly.

Can I fix Haier Air Conditioner error F14 myself?

You can try a reset first: Switch off for 10 minutes and restart in cooling mode. If the code returns, call a technician.

Is it safe to keep using the Air Conditioner with F14?

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

Other Haier AC codes

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 F13 Low gas / refrigerant leak or blockage 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 F24 Current sensor (CT) fault

All Haier Air Conditioner error codes

Sources

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

Last checked: 2026-10-20