What does F27 mean?

The pressure switch within the system is not functioning correctly. This error triggers if the abnormality continues for 1 minute.

• Defective pressure switch.

Click steps to track your progress.

1. 1

   Turn off the power supply to the unit at the main breaker and wait 30 seconds before turning it back on.

2. 2

   Observe if the error code reappears after restarting the unit.

3. 3

   If the error persists, contact a qualified technician to inspect and potentially replace the pressure switch.