Service manual
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12. Troubleshooting
12.1 Display board
§ 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.
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