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IPM protection
Overcurrent protection
Overload protection
Exhaust protection
Overlod protection of compresoor
r
Outdoor condenser temp. sensor mal.
Outdoor exhaust temp. sensor mal.
Starting at temp. does not reach
Communication is abnormal
Indicator display
of outdoor unit
If malfunction occurs,corresponding code will display and the unit will resume normal until protection or
malfunction disappears.
Compressor stars (normal)Yellow indicator blinks for once
Yellow indicator blinks for 3 times
Defrosting
(normal display of indoor unit)
Yellow indicator
blinks for twice
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
Red indicator blinks for 5 times
Red indicator for 6 times
Red indicator blinks for 7 times
Red indicator blinks for 8 times
Green indicator does not blink
Anti-freezing protection (normal
display of indoor unit)
Cooling (dehumidify) or heating current
Exhaust temp. dropped frequency temp.
dropped frequency current.
temp. dropped frequency temp.
T
tube-in
dropped frequency temp.
Outdoor ambient temp. sensor mal.
Tube
Troubleshooting
49