F24 — Refrigeration cycle abnormality

What does F24 mean?

An abnormality has been detected within the refrigeration cycle of the unit. This error is triggered if detected 2 times within a 20-minute period.

• Insufficient refrigerant.
• Defective outdoor PCB (Printed Circuit Board).
• Compressor low compression.

Click steps to track your progress.

1. 1

   Turn off the power supply to the unit at the main breaker and wait at least 5 minutes before restoring power.

2. 2

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

3. 3

   If the error persists, contact a qualified technician to check refrigerant levels and compressor performance.