JOG EXCITE: Service & Maintenance Manual - rev. 1.1
Page 6.21
6.6.
TREAD BELT MOTOR IS JERKING
The probable cause is:
•
a disconnected phase either at the AT driver board output or on the motor;
TREAD BELT
MOTOR IS
JERKING
Are the tread belt motor
windings resistance correct?
NO
1
YES
Replace the tread belt
motor
Replace the AT driv er
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(1)
Disconnect the cable from the motor and place a tester across its terminals U-V, U-W and V-
W. The measured value of the resistance should be 1.9 Ohm.
Summary of Contents for JOG EXCITE
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