Technogym EXCITE Run 500, Service Maintenance Manual

Page: 96 / 234

RUN EXCITE-2008: Service & Maintenance Manual - rev. 1.3
Page 6.32
6.13. TREAD BELT MOTOR IS JERKING
The probable cause is a disconnected phase either at the ALE/AT UL 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
Check if the encoder works
properly by carry ing out the
troubleshooting procedure
"The encoder does not
work properly "
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) Check parameter P409 as detailed at paragraph 9.4.6.2 “Config. registers”.
(2) 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.