Lincoln Electric IM10006 manual Green LED ON, Yellow, Your local Authorized Field Service Facility

E-2	TROUBLESHOOTING	E-2
	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

GREEN LED OFF, Fan not operat-	1.	Plug unit into 115V outlet.
ing. No Input Power.
	2.	Reset Breaker.
GREEN LED ON, YELLOW	1. Make sure the unit has not been
Overtemperature / under pressure		operated beyond duty cycle limits.
LED ON. Unit is overheated.
	2.	Air Flow obstructed.
GREEN LED ON, YELLOW Over	1. Air not connected or pressure too
temperature / under pressure LED		low. Check source for at least
blinks. No air flow in purge or pre-		72.5 PSI (5 Bar) during purge or
flow.		pre-flow, adjust air pressure to 65
		PSI (4.5 Bar).
	2.	Air filter or air line blocked, torch
		blocked. Replace filter cartridge.
		Check that air line and torch leads
		are free of twists and kinks.
GREEN LED ON, YELLOW Over	1.	Shield cup not properly installed
temperature / under pressure LED		on torch. Check that shield cup is
OFF, no air flow when torch switch		fully seated against torch.
pressed.
	2.	Faulty Torch Switch or Parts
		Assembly in torch holder. Refer to
		“Operations Section” (Torch
		Consumable Parts).
	3.	Faulty Main PC Board Repair /
		Replace Power Supply.
GREEN LED ON, YELLOW Over	1.	Faulty torch parts. Inspect torch
temperature / under pressure LED		parts and replace if necessary.
OFF. Air flows, Pilot arc does not
start.	2.	Faulty main PC Board. Repair /
		replace.
Torch has pilot arc but does not cut.	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.

If all recommended possible areas of misadjustment have been checked and the problem persists, Contact

your local Authorized Field Service Facility.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

PLASMA 20