Lincoln Electric IM718 manual Contact your local Lincoln Authorized Field Service Facility

E-4			TROUBLESHOOTING	E-4
		Observe all Safety Guidelines detailed throughout 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
	put is limited to approximately 100		been exceeded, and the
	amps) when running a particular		machine has phased back to
	procedure		protect itself. Adjust procedure
			or reduce load to lower cur-
			rent draw from the machine.
	Auxiliary receptacle is “dead” — no		1. Circuit breaker CB2 (on case
	auxiliary voltage .		front) may have opened.
			Reset.
			2. Circuit breaker CB4 (in recon-
			nect area) may have opened.
			Reset.
	The Power Wave is triggered to		1. Check for fault signals from
	weld, but there is no output.		the I/O connector. Possible
			faults are lack of water flow
			2. Circuit breaker CB4 (in recon-
			nect area) may have opened.
			Reset.
				If all recommended possible areas
				of misadjustments 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, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE AC/DC