F7 (11 LED flashes) - Suction temperature sensor failure

What does F7 mean?

The outdoor unit's LED1 flashes eleven times, indicating a failure with the suction temperature sensor in the outdoor unit.

• Faulty suction temperature sensor
• Loose connection of the sensor wiring
• Damaged wiring to the sensor
• Outdoor unit PCB issue

Click steps to track your progress.

1. 1

   Turn off the AC unit at the main power supply and wait 15 minutes, then restart it.

2. 2

   Check that the outdoor unit is clean and has good airflow around it.

3. 3

   If the error persists, contact a qualified technician to inspect or replace the sensor.