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F13

F13 (16 flashes) — Lack of refrigerant

Haier · Air Conditioning

What does F13 mean?

The system detects an insufficient amount of refrigerant. This can lead to poor cooling/heating performance and potential damage.

Common Causes

  • Refrigerant leak
  • Low refrigerant charge

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for any visible signs of refrigerant leaks around the unit or piping.

  2. 2

    Ensure the system was properly charged during installation.

  3. 3

    Contact a qualified technician to check for leaks and recharge the system if necessary.

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