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F22

F22 (3 LED flashes) - Outdoor AC overcurrent protection

Haier · Ductless Split Air Conditioners

What does F22 mean?

The outdoor unit's LED1 flashes three times, indicating that the AC electricity supply to the outdoor unit has triggered an overcurrent protection.

Common Causes

  • High current draw from the outdoor unit
  • Short circuit in the outdoor unit
  • Faulty compressor
  • Issue with power supply or outdoor PCB

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Immediately turn off the air conditioner at its main power switch or circuit breaker.

  2. 2

    Wait for at least 15 minutes before attempting to power the unit back on.

  3. 3

    Check the circuit breaker panel to see if the AC's breaker has tripped; reset it if it has.

  4. 4

    If the problem reoccurs, contact a qualified electrician or AC technician.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

Condensate at air outletCondensate water forming at the air outletCondensate drain issueCondensate water not draining correctlyCondensate on louverCondensate water forming on vertical louver
Source: Haier Ductless Split Air Conditioners
Open Manual (Page 44)Search more codes in this manual