5 - 6
Failure Investigation for Electronic Parts
Main motor does not turn
Adjust the assy. of upper shaft
Reconnect it correctly
Does the pulley turn easily?
N
N
N
Y
Is the main motor connector correctly
connected to CN401 of the power
supply PCB assy.?
Y
Reconnect it correctly
N
Is the connector of the SS-VR PCB
assy. correctly connected to CN1 of
the main PCB assy.?
Y
Replace the main motor
Is the main motor resistance 2 – 5 Ω
at any rotation position?
Y
N
Reconnect it correctly
Is the power lead wire assy. correctly
connected to CN201 of the power PCB
assy. and to CN5 of the main PCB assy.?
Y
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Main motor does not turn
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