Service manual
45
13. Troubleshooting
13.1 Display board
1
2
3
4
5
6
Infrared Signal
Receiver
§ Operation
The indicator flashes once every second after power is on and illuminates when the air conditioner is in
operation.
§ Timer indicator:
The indicator illuminates then TIMER is set ON.
§ PRE-DEF. indicator (For cooling & heating mode only)
The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating.
At this time, PRE-DEF. indicator illuminates.
§ Auto indicator:
This indicator flashes when the air conditioner is in AUTO operation.
§ ECON indicator
This indicator illuminates while the air conditioner is in economic operation.
13.2 Troubleshooting
For cooling mode:
Failure phenomenon
Operation