Sensor fault from PCA 154 412 — Compressor is blocked: Outdoor unit sensor fault

¿Qué significa 154 412 ?

There is a sensor fault in the outdoor unit, indicated by 'Sensor fault from PCA 154 412'. Consult the relevant manual for guidance.

• Sensor fault in the outdoor unit

Haga clic en los pasos para seguir su progreso.

1. 1

   Check the relevant manual for instructions regarding 'Sensor fault from PCA 154 412'.

2. 2

   Test outdoor unit sensors for accuracy.

3. 3

   Inspect PCA connections.

4. 4

   Contact a qualified technician.