Cycle Troubleshooting Guide
• 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
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
When Vertical Louver does not operate.
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
,
,
and
of MICOM
- Between
,
,
and
of IC01M
- Between
,
,
and
of IC01M
60
61
62
63
38 Multi Air Conditioner
Summary of Contents for T2UC182FAA
Page 15: ...Service Manual Electronic Control Device Outdoor Unit 15 ...
Page 16: ...Multi Air Conditioner Electronic Control Device Display P C B ASM 16 ...
Page 18: ...Schematic Diagram 18 Multi Air Conditioner ...
Page 25: ...25 Service Manual Operation Details Remote Control Operations ...
