Hypertherm Powermax65 SYNC - Replace the snubber resistors and the damper resistor

Do System Tests to Identify Defective Components
5
116 810430 Troubleshooting Guide Powermax65/85/105 SYNC
3. Measure the voltage between pin 1 and pin 4 at J4 or J6 on the power PCB. Refer to Figure 31.
Is the voltage approximately 5 VDC?
 If yes, continue with the next step.
 If no, replace the power PCB.
Figure 31 – Solenoid valve pins on the power PCB
O
R
G
B
R
J4 / J6
1
4
RED
J32
RED
J21
ORG
J20
J12
B
R
WORK
LEAD
BLK
BLK
J13
J16J17J18J19
J26
J29
TP12
J28
TP10
TP11
W
R
B
J4 J2 J1J3
2
J3