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F25

F25 (13 flashes) — Abnormal of compressor discharge sensor

Haier · Air Conditioning

What does F25 mean?

The sensor that measures the compressor's discharge temperature is providing abnormal readings or has failed.

Common Causes

  • Faulty discharge sensor
  • Damaged Outdoor PCB

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the discharge sensor is properly connected and not damaged.

  2. 2

    Restart the air conditioner.

  3. 3

    If the error persists, the sensor or Outdoor PCB requires replacement by a technician.

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