Plasma Power Supply
XPR170 Field Service Bulletin 810410 45
Replace the control PCB
Refer to Control side – view 2 on page 139 for location and part number.
1. Complete the following procedures:
a. Remove the power from the cutting
system.
b. Refer to Remove the left-side
(control-side) panel on page 63.
c. Refer to Remove the rear panel on
page 64.
Keep all nuts and screws that
you remove.
2. Disconnect the communication interface
cables (discrete, serial, or EtherCAT
®
).
3. Disconnect the wireless antenna.
4. Disconnect the CAN cable.
5. Disconnect all of the wire connectors.
6. Use a 3/16 inch, hexagonal-socket
wrench to remove the 4 screws and
nuts from the serial RS-422
connectors.
7. Remove the 2 screws from the bracket
found near the EtherCAT connectors.
8. Remove the 7 screws from the PCB.
9. Move the PCB to the right to release the
PCB from the external CAN connector.
10. Use the 7 screws to install the new
PCB.
11 . Install the 2 screws on the bracket found
near the EtherCAT connectors.
12. Use a 3/16 inch, hexagonal-socket
wrench to install the 4 screws and nuts
on the serial RS-422 connectors on the
rear panel side.
13. Make sure that J21 is in the OFF position.
J4
Out
J7
J8
J23
J16
J6
J1J5
Wireless antenna
CAN
In
J2
J21
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