Hypertherm XPR300 - Operator Qualifications

Plasma Power Supply
1
40 809970 Field Service Bulletin XPR300
Replace the 24 V power source

See Control side – view 2 on page 127 for location and part number.
1. Complete the following procedures:
a. Remove the power from the cutting system.
b. See Remove the left-side (control-side) panel on page 61.

Keep all nuts and screws that you remove.
2. Remove all of the wires.
3. Use a blade screwdriver to pull out
the plastic tabs on the power
source to release the power
source from the rail.
4. Remove the power source .
5. Align the new power source on the
rail .
6. Push in the plastic tabs to
attach the power source to the rail.
7. Install the wires L, N, +, -. Tighten
the screws.
8. Install the unlabeled wires.
Connect the red wire to + and
white wire to -. Tighten the screws.
9. Install the control-side panel.
L(+) N(-) + + -
-
-
+
L N
1
1
2
3 3
1
2
3
1