Service
Manual
12. Troubleshooting
12
30
438 9152-31/0
6
0
5
.03
Continued from previous page
4. Replace X3. Remove the contactor X312 and
measure the resistance of the contactor with
the motor cabling between X312:4 - 5.
Contact
Interruption
Defective cabling
between motor
controller and motor.
Inspect the cabling and
replace if necessary.
Internal error in the thermal sensor of the motor
controller detector.
5. Switch of the wall-mounted power switch. Undo the
contactor at X3 on the motor. Use an ohm meter to
measure the resistance towards the motor. Measure
between 1-2, 1-3 and 2-3. Correct resistance should be 2
- 5
Ω
(depending on the motor rating).
Correct resistance
One of the resistance
values is incorrect
The motor is probably
defective.
Troubleshoot the cabling between the motor and motor
controller.
Fig.
33
33
5930
FLASH
EPROM
X304
X302
X308
X301
X312
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