HEIDENHAIN iTNC 530 Service Manual page 335

Flowchart
If you have detected that the error is outside the control (servo amplifier, motor, cables, etc.),
Next test
run this routine --> See "Troubleshooting: Interchanging power modules or output stages of the
same type" on page 20 – 339.
July 2010
Interchanging the PWM outputs of the CC 422
Before interchanging the PWM outputs, deactivate the
evaluation of the electronic ID labels.
Enter the value 1 for every bit in MP 7690.
Shut down the control and switch off the main switch of the machine.
Unscrew the cover plate from the inverter system.
Label the PWM ribbon cables for the axes concerned and interchange
them on the CC 422 (in the example: connector X51 and X52).
Caution: Connect plug-type connector with care! Do not bend the pins!
Screw the cover plate to the inverter system.
Caution: Do not damage the ribbon cable!
Switch on the main switch of the machine.
Do not confirm the Power interrupted message but immediately call
the MP list. Interchange the input values in MP 120.x of the axes
concerned (in the example: MP 120.0: 52 and MP 120.1: 51).
Switch on the machine and traverse the axes.
pattern move to the other axis?
The defect is probably located in the PWM interface of the CC 422.
Set MP 7690 (evaluation of the electronic ID labels)
to the original value.
Does the error
(In the example:
from X to Y)
Yes
No
The defect is probably
located in the drive
system (power module,
motor, cables, etc.).
20 – 335