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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 STEP(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
6. When Heating does not operate
Operate "Heating Mode(
remote controller is higher than one of the indoor temperature by 2°C
at least.
In heating Mode, the indoor fan operates in case the pipe temperature
is higher than 28°C.
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
Turn ON Main Power
)" by setting the desired temperature of the
- 59 -
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Table of Contents
Troubleshooting
