F11 (18 flashes) or F28 (19 flashes) — Compressor position detection circuit fault

¿Qué significa F11 (18 flashes) / F28 (19 flashes) ?

These codes mean the system cannot correctly detect the position of the compressor's rotor. This is essential for its operation. It could be due to wiring issues or a damaged compressor.

• Incorrect or poor compressor wiring
• Damaged compressor
• Faulty PCB

Haga clic en los pasos para seguir su progreso.

1. 1

   Turn off the power switch before inspecting connections.

2. 2

   Verify that the compressor wiring is correctly installed and securely connected.

3. 3

   Restart the unit.

4. 4

   If the malfunction persists, the compressor or PCB may be damaged and require professional replacement.