Samsung MH020FVEA Service Manual page 44

Alignment and Adjustments
I MH✳✳✳FJEA(cont.)
LED lamp display
Abnormal conditions White
Remarks
Communication error between indoor units
[Self diagnosis ]Power voltage detection
between indoor and outdoor unit communication
cable
[Self diagnosis ]Outdoor unit refrigerant
leakage(Gas leak)
[Self diagnosis ]Outdoor fan restriction error
[Inverter ]Inverter compressor operation failure
[Inverter ] DC peak error
[Inverter ]DC Link voltage 150V or less,410V or more
[Inverter ] Compressor rotation error
[Inverter ]Electric current error
[Inverter ]DC Link sensor error
[Inverter ]EEPROM READ/WRITE error
[Inverter ]Inverter zerocrossing error
Setting the outdoor unit capacity option error
Detection of the float switch
Error of setting option switches for optional
accessories
EEPROM error
EEPROM option error
MPI no feedback Error
: On : Flickering : Off
N If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics 3-5