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F24

F24 - Refrigeration cycle abnormality

Panasonic · Aquarea Heat Pumps

What does F24 mean?

An abnormality has been detected in the refrigeration cycle. This has occurred 2 times within 20 minutes.

Common Causes

  • Insufficient refrigerant
  • Outdoor PCB fault
  • Compressor low compression

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check refrigerant levels.

  2. 2

    Inspect the outdoor PCB for any issues.

  3. 3

    Ensure the compressor is functioning correctly.

  4. 4

    Contact a qualified installer or service technician for further investigation.

Browse all codes in this manual (69)
Verified technical data. Last updated: April 2026

Related Faults

2 beeps then pause2 beeps then pause - Overfill warning3 red flashes3 red flashes - Communication errorError Code DisplayError Code Display - Abnormality detected
Source: Panasonic Aquarea Heat Pumps
Open Manual (Page 76)Search more codes in this manual