—43—
6. The phenomena in case of connecting error
INDOOR UNIT
Connector Type
Condition
Open
Connecting reversely
Open
Open
Open
Open
Short between terminals
( and ) of ROOM-TH.
Short between terminals
• All functions stop.
• The operation with the remote controller, forced and
test one do not operate.
• PWB pattern is damaged when applying the power.
• 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.
• The compressor and the outdoor fan stop.
• The indoor fan speed is low.
• The indoor Fan does not operate.
CN-POWER
CN-MOTOR
CN-U/D
CN-DISP
CN-TH
Phenomena
On for 0.5 second
Off for 3 seconds
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