Troubleshooting

E-3	TROUBLESHOOTING	E-3

	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENTS

RECOMMENDED

COURSE OF ACTION

The Pro-Cut powers up properly but 1. Press Purge button on the front of
there is no response when the trig-	the Pro-Cut. If air does not flow,
ger is pulled and only the POWER	then:
LED is lit.	a. Reconnect Board may be
	faulty.
	b. The main gas solenoid assem-
	bly may be faulty. Check or
	replace.
	c. Possible faulty Control board.

2.Remove the handles (or barrel) of the torch and examine all the con- nections. Pay attention to location of electrode lead mounting at back of torch head, broken trigger and solenoid leads.

3.Check for proper trigger switch

operation. Remove the torch cable

assembly from the Pro Cut and If all recommended possible areas of test for continuity between 1 and 2 misadjustment have been checked at the Green 4 Pin Connector and the problem persists, Contact when the trigger switch is your local Lincoln Authorized depressed and no continuity when Field Service Facility.

the switch is not depressed. Replace the trigger switch or torch cable if defective.

4.Possible faulty Control board.

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.

PRO-CUT 25