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When Trouble Happens
The exterior alarm signal input
"Run" light flashes eleven times
The indoor coil temperature is higher
than room temperature when cooling
or the former is lower than the later
when heating
"Run" light flashes thirteen times
BM1 (1) OFF (2)OFF
BM2
BM3
BM4
(1) OFF (2)OFF (Cooling only unit)
(1) OFF (2)ON (Heat pump model)
(3) OFF/ON Heat pump model/Cooling only unit
(4) ON/OFF Defrost sensor/No defrost sensor
OFF
OFF
Change-over switch
Trouble display
Reason
Room temp. sensor malfunction
Indoor coil temp. sensor malfunction
Drainage system malfuntion
Low pressure protection
The phenomenon of indicator light on indoor remote receiver
"Run" light flashes once
"Run" light flashes twice
"Run" light flashes ten times
"Run"light flashes sixteen times
The defrosting sensor malfunction
"Run" light flashes four times(Heat pump model)