Service manual
For 18 K and 24K model:
AUTO TIMER
PRE.-DEF.
OPERATI ON
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 (Just for cooling & heating mode and for cooling only type it’s FAN ONLY)
The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating.
At this time, PRE-DEF. indicator illuminates.
For cooling only type, when the unit works in fan only mode, the FAN ONLY indicator illuminates.
Auto indicator:
This indicator flashes when the air conditioner is in AUTO operation.
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