Trobleshooting; Green Led On - Pro Spot PR-111 Instruction Manual

TROBLESHOOTING

SYMPTOM
GREEN LED OFF, Fan not operat-ing. No Input
Power.
GREEN LED ON, YELLOW Overtemperature
LED ON. Unit is overheated.

GREEN LED ON,

Model 30A - 40A - YELLOW Overtemperature /
under pressure LED blinks.
Model 45A - YELLOW under pressure LED ON.
No air ow in purge or pre- ow.
GREEN LED ON, YELLOW Overtemperature /
under pressure LED OFF, no air ow when torch
switch pressed.
GREEN LED ON, YELLOW Overtemperature
/ under pressure LED OFF. Air ows, Pilot arc
does not start.
Torch has pilot arc but does not cut.
POSSIBLE CAUSE AND REMEDY
1. Plug unit into 230V outlet.
2. Reset Breaker.
1. Make sure the unit has not been operated
beyond duty cycle limits.
2. Air Flow obstructed.
1. Air not connected or pressure too low. Check
source for at least 5 Bar (72.5 PSI) during pur-
ge or pre- ow, adjust air pressure to 4,5 Bar (65
PSI).
2. Air lter or air line blocked, torch blocked. Re-
place lter cartridge. Check that air line and torch
leads are free of twists and kinks.
1. Shield cup not properly installedon torch. Che-
ck that shield cup isfully 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 re-
place if necessary.
2. Gas pressure too high. Set pressure to 65 psi
(4.5 BAR).
3. 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.
25