Lincoln Electric 450 CE manual PRObLEMS, Symptoms, POSSIbLE, Cause Recommended Course of Action

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

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Major physical or electrical damage	1. Contact your local authorized
is evident when the sheet metal	Lincoln Electric Field Service facil-
covers are removed.	ity for technical assistance.
Machine won’t weld, can’t get any	1. If the displays show an Err ###
output.	see the fault section for corrective
	action.
	2 If the thermal symbol is lit refer to
	the thermal section.
	3 If the output terminals are in
	remote control switch to "ON" and
	check for output voltage. If output
	voltage is now present check for
	correct remote control connection
	and operation.
Thermal symbol is lit.	1. Check for proper fan operation.
	• Check for material blocking
	intake or exhaust louvers.
	• Blow air in the rear louvers to
	clear dirt from the fan.
	Note: The Fan As Needed circuitry
	automatically shuts off the fan
	5 minutes after welding has
	stopped.
	2. Welding output ratings may have
	been exceeded. Allow the
	machine to cool down and reset.
Wire feeder won’t work. Apparently	1. Check circuit breakers by the wire
no power to wire feeder	feeder receptacles on the rear of
	the machine. Reset
	2. Check the control cable between
	the power source and the wire
	feeder for continuity.

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

Contact your local Lincoln 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.

FLEXTEC™ 450 CE