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3. Alignment and Adjustments
3-1 Indoor Display Error and Check Method
Error detection and reoperation
■
● If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
■
● When reoperating by remote control and switch determine the error mode after normal operation.
■
Indoor unit LED lamp display at error detecting
■
Error type
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
Indoor and outdoor unit time out
Abnormal data reception more than 60 packet
Indoor unit is not connected
Communication error between the outdoor unit
Main-Inverter Micom(After 1 minute of Main-Inverter
detection)
[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
Error of setting option switches for optional
accessories
EEPROM error
EEPROM option error
● : On, ◑ : Flickering, X : OFF
◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics
LED lamp display
X
◑
X
X
X
X
◑
X
X
◑
◑
X
X
◑
X
◑
X
X
◑
◑
X
X
◑
◑
X
X
◑
X
X
◑
◑
◑
◑
◑
◑
◑
Remark
X
X
Displayed on appropriate
X
X
indoor unit which is operating
Displayed on appropriate
X
X
indoor unit which is operating
Displayed on appropriate
X
X
indoor unit which is operating
Displayed on outdoor unit
Error of indoor unit :
X
X
Displayed on the indoor unit
regardless of operation
◑
X
◑
X
X
X
◑
◑
3-1
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