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Flow Chart of Troubleshooting
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9-15
9-7. Motor Part
Motor does not work
Yes
No
Check the wire soldering
& change the motor
Is the terminal of Motor OK?
Yes
Is the signal high at R605?
Check the UCP300
No
Yes
END
Is the signal is 176 Hz wave
between Motor_P and
Motor_N?
Yes
Change the U602
No
Is there any signals at U602
#7, #8, #10 pin ?
Check the UCP300
Yes
No