LG LS-J0761CLCM Service Manual page 57

Room air conditioner
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5. When Vertical Louver does not operate.
• Confirm that the Vertical Louver is normally geared with the shaft of
Stepping Motor.
• If the regular torque is detected when rotating the Vertical Louver with
hands
• 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
in the rotation radial of the Vertical Louver
Normal
Check the operating circuit of the Vertical Louver
,
,
and
of MICOM
58
59
60
61
,
,
and
of IC01M
,
,
and
of IC01M
If there are no problems after above checks
-57-

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