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10-1-4. Charging Part
① Flow chart of Charging part
Abnormal charging operation
Check IFC600's pin
is around 5V when
Check U402's Pin #3
Check U402's Pin #4
is "LOW" when
#19,20
charging
YES
is "LOW" when
charging
YES
charging
YES
END
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NO
NO
10-7
Flow Chart of Troubleshooting
Check the U402
Check the U402
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