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Service Manual 37
Troubleshooting Guide
Possible Trouble 4 FAN does not operate.
Possible Trouble 5
Remote controller does not operate.
• Replace IC01M.
• Replace IC01M.
Is the voltage NO.1 or 2 or 4
of IC01M DC 5V?
Is the voltage NO.16 or 15 or 13
of IC01M 0V?
• Check the RY-Hi or
RY-Med or RY-Lo.
•
Check the wiring diagram.
NO
NO
YES
YES
Is the voltage of Battery
over 2.3V?
• Replace Receiver Ass'y.
Is the connection of
CN-AC/DC OK?
Is the voltage No.10
of CN-AC/DC on AC PCB
Ass'y DC 5V?
• Replace the battery.
• Check the PCB pattern.
• Connect connector to
CN-AC/DC exactly.
NO
NO
NO
YES
YES
YES