SELF-DIAGNOSIS FUNCTION
35
ENGLISH
SELF-DIAGNOSIS FUNCTION
Indoor Unit Error
Code
Title
Cause of Error
1
Air temperature sensor of Indoor unit
Air temperature sensor of indoor unit is open or short
2
Inlet pipe temperature Sensor of indoor
unit
Inlet pipe temperature sensor of indoor unit is open
or short
3
Communication error : wired remote
controller
↔
indoor unit
Failing to receive wired remote controller signal in
indoor unit PCB
4
Drain pump
Malfunction of drain pump
5
Communication error : outdoor unit
↔
indoor unit
Failing to receive outdoor unit signal in indoor unit
PCB
6
Outlet pipe temperature sensor of indoor
unit
Outlet pipe temperature sensor of indoor unit is open
or short
9
Indoor EEPROM Error
In case when the serial number marked on EEPROM
of Indoor unit is 0 or FFFF
10
Abnormal fan motor operation
Disconnecting the fan motor connector / Failure of
indoor fan motor lock
Содержание UBN24R
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