When Vertical Louver Does Not Operate - LG TMNC092DYAA Service Manual

When Vertical Louver does not operate.

• Confirm that the Vertical Louver is normally geared with the shaft of
• If the regular torque is detected when rotating the Vertical Louver with
• Check the connecting condition of CN-U/D Connector
• Check the soldering condition(on PWB) of CN-U/D Connector
• Confirm that there is DC + 12V between pin (RED) of CN-U/D and
GND.
• Confirm that there is a soldering short at following terminals.
- Between
- Between
- Between
• Confirm the assembly conditions that are catching and interfering parts
38 Multi Air Conditioner
Stepping Motor.
hands Normal
Check the operating circuit of the Vertical Louver
, , and
60 61 62
, , and
, , and
If there are no problems after above checks
in the rotation radial of the Vertical Louver
of MICOM
63
of IC01M
of IC01M
Cycle Troubleshooting Guide