Description Lamp Color
Cooling mode Green
Heating mode Green
Time to clean filter in cooling/heating Mode Yellowish Green
Time to clean filter when product is not operating Orange
Hot start or defrost mode before starting heating mode Green
When reservation set on Yellowish Green
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
Standard Inverter :
9k/12k/24k/36k/42k/48k/60k
Compact Inverter : 18k
Code Title Operating state Error display
-
Air purification panel fault related
error
Product (operation) /
air purify function
(stop)
When air purify function is activated, the indoor
buzzer sounds 7 times (Buzzer sounds in 3 hour
units, air purify function turns off after 9 hours)
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