LG Electronics LSC183VMA service manual Phenomena in case of connecting error, Indoor Unit

8.The phenomena in case of connecting error

INDOOR UNIT

Connector Type

Condition

Phenomena

CN-DC/DC

Open and connecting error

• The same as the phenomenon of Outdoor Unit.

Blue

Black

Brown

Red

• The indoor fan does not operate.

CN-MOTOR

Open

• The operation indicator of Indoor unit blinks 8 times.

Open

• The up/down vane does not operate.

CN-UD

Short between terminals

• The up/down vane does not smoothly operate.

CN-D1/D2

Open

• It does not operate with a remote controller.

• The operation indicator blinks once.

On for 0.5 second

Open

Off for 3 seconds

• The compressor and the outdoor fan stop.

• The indoor fan speed is low.

CN-TH

• The operation indicator blinks once

Short between terminals

(on for 0.5 second, off for 3 seconds).

• The compressor operates continuously regardless

(

and

) of ROOM-TH.

of the setting temperature and the variation of room

temperature.

Short between terminals

• The operation indicator blinks once

(

and

) of PIPE-TH.

(on for 0.5 second, off for 3 seconds)

• Continuous operation

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