Lincoln Electric IM746 manual Troubleshooting

E-6	TROUBLESHOOTING	E-6
	Observe all Safety Guidelines detailed throughout this manual

TROUBLESHOOTING GUIDE

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS		POSSIBLE AREAS OF	RECOMMENDED
(SYMPTOMS)		MISADJUSTMENT(S)	COURSE OF ACTION
		OUTPUT PROBLEMS
	Machine often “noodle welds” (out-	1.Secondary current limit has been
	put is limited to approximately 100	exceeded, and the machine has
	amps) when running a particular	phased back to protect itself.
	procedure, especially a procedure	2. Adjust procedure or reduce load
	with high WFS.	to lower current draw from the
		machine.
	Machine won’t produce full output.	1. Input voltage may be too low,
		limiting output capability of the
		power source. Make certain that
		the input voltage is proper,
		according to the Rating Plate
		located on the rear of the
		machine.
		2. Secondary current or voltage not
		be properly calibrated. Check
		values displayed on the Power
		Feed 10/11 verses readings on
		an external meter.
			If all recommended possible areas
	Auxiliary receptacle is “dead” no	1. Circuit breaker CB1 (on case
			of misadjustments have been
	auxiliary voltage .	front) may have opened. Reset.
			checked and the problem persists,
		2. Circuit breaker CB3 (in recon-
			contact your local Lincoln
		nect area) may have opened.
			Authorized Field Service Facility.
		Reset.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE 405