57
Continued from previous
4. Replace X3. Remove the contactor X312
and measure the resistance of the contactor
with the motor cabling between X312:T1-T2.
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 ohmmeter to
measure the resistance towards the motor. Measure
between 1-2, 1-3, and 2-3. Correct resistance should be:
W4400H
W600H W850H, W1100H
cold motor 0,84 ohm 0,68 ohm
0,48 ohm
hot motor 1,1 ohm 0,9 ohm
0,6 ohm
Correct resistance
One of the resistance values is
incorrect
The motor is probably
defective.
Troubleshoot the cabling between the motor and motor
controller.
Troubleshooting
1
3
9
7
2
32
33
33
402 A
1
7
9
6
4
32
5950
X12
X12
M1
Contactor X, female towards motor
Measure resistance between pins 1, 2, , 4,
5 and 6.
Содержание W4400H
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