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• 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 PCB) of CN-U/D Connector
Check the operating circuit of the vertical louver
• Confirm that there is DC +12V between pin of CN-U/D and GND.
•
Confirm that there is a soldering short at following terminals.
- Between , , and of MICOM
- Between , , and of IC01M
- Between , , and of IC01M
When the vertical louver does not operate.
Trouble 5
If there are no problems after above checks.
• Confirm the assembly condition that are catching and interfering parts in the link of the
vertical louver
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1
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