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Failure Investigation
for Electronic Parts
Failure Investigation for Electronic Parts
Error message
Main motor current error
(Dialog message)
Connect it properly.
N
Y
Change main shaft motor.
Is the resistance between pins 1 and 2 of the
main shaft motor 1.0 - 2.0Ω when the motor's
connector CN2 is removed from the main PCB?
N
Y
Change main PCB.
Does the machine function normally when the
power PCB is replaced with a reliable one?
N
Y
Is the main shaft motor's lead
properly connected to CN1 on the
main PCB?
Change power PCB.