Troubleshooting
If malfunction occurs,corresponding code will display and the unit will resume normal until protection or
malfunction disappears.
Indicator display
of outdoor unit
Yellow indicator blinks for once
Yellow indicator blinks for twice
Yellow indicator blinks for 3 times
Yellow indicator blinks for 4 times
Yellow indicator blinks for 5 times
Yellow indicator blinks for 6 times
Yellow indicator blinks for 7 times
Yellow indicator blinks for 8 times
Red indicator blinks for once
Red indicator blinks for twice
Red indicator blinksfor 3 times
Red indicator blinks for 4 times
Compressor stars (normal)
Defrosting (normal display of indoor unit)
IPM protection
Overcurrent protection
Overload protection
Exhaust protection
Overlod protection of compresoor
Cooling (dehumidify) or heating current 
dropped frequency current.
Exhaustr temp.
dropped frequency temp.
Tubetemp.
dropped frequency temp.
T 
dropped
Red indicator blinks for 5 times
Outdoor condenser temp. sensor mal.
Red indicator for 6 times
Outdoor ambient temp. sensor mal.
Red indicator blinks for 7 times
Outdoor exhaust temp. sensor mal.
Red indicator blinks for 8 times
Starting at temp. does not reach
Green indicator does not blink
Communication is abnormal
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