Fault analysis
LED indicator
Possible causes
Standby
(yellow)
Operating lamp
(green)
Timer
(blue)
Off
Flashes
Off
Condensate liquid level switch has triggered
Off
Flashes slowly
Off
Turbo mode active
Flashes
Flashes
Off
Air inlet sensor fault
Flashes
Flashes
On
Outside temperature sensor fault
Off
Flashes
Flashes
Evaporator sensor fault
On
Flashes
Flashes
Condenser sensor fault
Flashes
Off
Off
Compressor outlet sensor fault (heat gas)
Flashes
On
Off
Control board protective shutdown
(overvoltage / undervoltage)
Flashes
Off
On
Control board protective shutdown
(thermal shutdown)
Flashes
On
On
Control board protective shutdown
(reactive current correction)
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