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Troubleshooting Guide
When the louver does not operate.
Trouble 5
• 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 or CN0L/R Connector
• Check the soldering condition(on PCB) of CN-U/D or CN0L/R Connector
• Confirm that there is DC +12V between pin
• Confirm that there is a soldering short at following terminals.
- Between
- Between
• Confirm the assembly condition that are catching and interfering parts in the link of the
vertical louver
110 Multi type Air Conditioner
Check the operating circuit of the vertical louver
,
,
and
of MICOM
1
2
3
4
,
,
and
of IC01M
4
5
6
7
If there are no problems after above checks.
of CN-U/D, CN0L/R and GND.
- Between
,
,
and
17
18
19
- Between
,
,
and
5
6
7
of MICOM
20
of IC01M
8
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Table of Contents
Troubleshooting
