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F22

F22 (3 flashes) — Outdoor Alternating current over current protection

Haier · Air Conditioning

What does F22 mean?

The outdoor unit is experiencing an AC overcurrent condition. This means too much electrical current is flowing, which can indicate a component issue.

Common Causes

  • Faulty Power Module
  • Refrigerant issues
  • Damaged compressor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply for 1 minute, then restart the unit.

  2. 2

    Ensure the power supply voltage is stable.

  3. 3

    If the problem repeats, contact a technician to check the Power Module and compressor.

Browse all codes in this manual (103)
Verified technical data. Last updated: April 2026

Related Faults

1Error Code 1 — Outdoor PCB EEPROM fault10Error Code 10 — Defrost sensor fault11Error Code 11 — Compressor suction temperature sensor fault
Source: Haier Air Conditioning
Open Manual (Page 32)Search more codes in this manual