Hypertherm Powermax30 Service Manual - Manual (Page 57)

MAINTENANCE
3-18
powermax30
Service Manual
Test 4 – solenoid valve
If gas is not flowing properly, test the solenoid valve for proper operation.
1. Place a jumper from pin 4 of J6 on the power board to ground. You should hear the valve click.
Solenoid valve LED
2. There is an LED on the solenoid valve that illuminates red when the torch is fired. It stays illuminated until
postflow stops. Fire the torch and watch for the LED to illuminate.
3. If you do not hear the valve click or the LED does not illuminate, replace the solenoid valve.
J6
PE (ground)