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56 Room Air Conditioner
Troubleshooting Guide
The phenomena in case of connecting error
INDOOR UNIT
Connector Type
Condition
Open and connecting error
Open
Open
Open
Open
Short between terminals
( and ) CN-TH2.
Short between terminals
( and ) CN-TH1.
Short between terminals
• The same as the phenomenon of Outdoor Unit.
• The up/down vane does not operate.
• The up/down vane does not smoothly operate.
• It does not operate with a remote controller.
• The operation indicator blinks once
(on for 0.5 second, off for 3 seconds).
• The compressor operates continuously regardless
of the setting temperature and the variation of room
temperature.
• The operation indicator blinks once
(on for 0.5 second, off for 3 seconds)
• Continuous operation
• The operation indicator blinks once.
• The compressor and the outdoor fan stop.
• The indoor fan speed is low.
• The indoor fan does not operate.
• The operation indicator of Indoor unit blinks 8 times.
CN-DC/DC
CN-MOTOR
CN-UP/DOWN
CN-DISP
CN-TH
Blue
Black
Brown
Red
Phenomena
On for 0.5 second
Off for 3 seconds