Indoor Units
The display will be activated for 10 seconds during starting operation or by pressing any button on the
remote controller and than deactivated.
• Blue lamp : during Cooling, Dehumidification, Auto Changeover cooling, Air circulation Operation.
Error code (1 digits)
• Red lamp : during Heating, Auto Changeover heating .
Error code (10 digits)
❈
Error Indicator : lights up Blue lamp and red lamp alternately
Number of lamp's blink : indicate Error code
Operation Indication Lamps
Self-Diagnosis Function
Error code Description
01 Indoor ROOM themistor error (TH1)
02 Indoor IN-PIPE thermistor error (TH1)
03 Remote controller error
05 Communcation error between in and out
06 Indoor OUT-PIPE thermistor error (TH2)
10 Indoor BLDC fan lock
12 Indoor MID-PIPE thermistor error (TH3)