Maintenance and Troubleshooting
Spirit200a User’s Manual Rev J
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7-10
Problem
Possible Cause
5. Check the automatic gas console messages
screen and troubleshoot accordingly. If the
“output voltage low” error is present, perform
the chopper test in this section.
6. Pilot arc transistor PAT is not operating
properly. Check the PAT LED’s on the
microprocessor p.c. board and PAT drive
p.c. board.
7. Damaged or loose torch lead connections.
8. Shorted torch or torch leads. Check the
continuity between the Electrode lead and
the Nozzle lead to make sure they are not
shorted.
9. Open torch or torch leads. Check the
continuity from the Electrode lead to the
torch electrode and the Nozzle lead to the
large brass body of the torch.
No spark between the spark gap
electrodes
1. Improper spark gap. Set gap to .015” (.381
mm).
2. Worn spark gap electrodes. Clean
electrodes with 600 grit sandpaper and
regap. Replace electrodes that have a
rounded face.
3. Bad high frequency transformer TR5. Check
for signs of arcing.
4. Check for 120VAC on the input side of filter
FL1 inside the RHF console after a start
signal has been given. If 120V is not
present, check associated wiring back to the
power supply.
The arc will not transfer to the
workpiece
1. Loose work ground connection.
2. Pierce height too high.
3. Incorrect, damaged, or worn consumables.
The gas console screen is blank
1. Blown gas console fuse F10.
2. Loose cables inside the gas console.
Remove and reinstall all plugs on the
interface p.c. board, computer, video board,
and display.
3. Bad power supply inside gas console.
Check for all voltage LED’s on the interface
board and computer.
4. Loose plug P17 on the bottom of the gas
console. Remove and reinstall the plug.
No response from the gas console
keypad
1. Loose keypad cable inside the gas console.
Remove and reinstall the keypad cable.
