Technogym Jog Now Excite+ 700, Technical Service Manual

Page: 112 / 228

JOG NOW : Service & maintenance manual - rev. 6.2
Page 6.24
6.11.3. T
READ BELT MOTOR IS JERKING
The probable cause is a disconnected phase either at the 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 Driv er
Check if the IPA409
parameter is correctly
2
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 IPA409 as detailed in the table at the paragraph: 9.4.3. “Inverter ”.
(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.