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F22

F22 / Outdoor LED1 flashes 3 times — AC current overcurrent protection

Haier · Air Conditioners

What does F22 mean?

The outdoor unit has detected an excessive alternating current, triggering a safety shutdown to prevent damage to electrical components.

Common Causes

  • Power module issue
  • Refrigerant issue
  • Compressor issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main power switch or circuit breaker immediately.

  2. 2

    Wait for at least 5 minutes before attempting to restart.

  3. 3

    Check the outdoor unit for any signs of obstruction or overheating.

  4. 4

    If the problem persists, contact a qualified technician, as this could indicate a serious electrical or compressor issue.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

CL displayCL displayed on panel & remote — Self-Clean operation activatedE1E1 — Indoor temperature sensor failureE14E14 — Indoor fan failure
Source: Haier Air Conditioners
Open Manual (Page 149)Search more codes in this manual