Forney 00317 - Troubleshooting Guide; LED Status and Airflow Diagnostics; Arc Ignition and Power Supply Issues

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TROUBLESHOOTING
SYMPTOM
GREEN LED OFF, Fan not operating. No Input
Power.
GREEN LED ON, YELLOW Over-temperature L
ED
ON. Unit is overheated.
GREEN LED ON, YELLOW Over-temperature LED
OFF, no air flow when torch switch pressed.
GREEN LED ON, YELLOW Over-temperature LED
OFF. Air flows, Pilot arc does not start.
Torch has pilot arc but does not cut.
POSSIBLE CAUSE AND REMEDY
1. Plug unit into 120V outlet.
1. Make sure the unit has not been operated beyond
duty cycle limits.
2. Air Flow obstructed.
1. Shield cup not properly installed on torch. Check
that shield cup is fully seated against torch.
2. Faulty Torch Switch or Parts Assembly in torch
holder. Refer to Maintenance paragraph.
3. Faulty Main PC Board Repair / Replace Power
Supply.
1. Faulty torch parts. Inspect torch parts and replace
if necessary.
2. Faulty main PC Board. Repair /replace.
1. Work lead not connected. Make sure work lead is
connected securely to bare metal.
2. AC input power too low. Use shortest distance to
breaker panel possible.
3. Faulty Main PC Board.Repair/Replace.