—42—
• 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 Normal
• Check the connecting condition of CN-U/D Connector.
• Check the soldering condition(on PWB) of CN-U/D Connector.
Check the operating circuit of the Vertical Louver
• 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
58
,
59
,
60
and
61
of MICOM
- Between , , and of IC01M
- Between , , and of IC02M
If there are no problems after above checks.
• Confirm the assembly conditions that are catching and interfering parts in
the rotation radial of the Vertical Louver.
5. When Vertical Louver does not operate.
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