Samsung MH052FUEA Service Manual page 60

MH FJEA
Abnormal conditions
Power reset
Error of temperature sensor in the indoor unit
(Open/Short)
Error of heat exchanger sensor in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
1. No communication between indoor and outdoor unit
for 2 minutes
2. Error on the communication received from outdoor unit
3. Outdoor unit tracking time out (3 minutes)
4. Number of installation does not match after tracking
Indoor fan motor is non-operative
Indoor fan motor is operating slowly
Indoor fan motor is operates at an excessive speed
Simultaneous cooling/heating operation error
(Multi model only)
[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
EEPROM error
EEPROM option error
MPI no feedback Error
: On : Flickering
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
4-4
: Off
LED lamp display
White
Remarks
1. Indoor unit error
(Display is unrelated
with operation)
2. Outdoor unit error
(Display is unrelated
with operation)
Indoor motor fan error
Samsung Electronics