Lincoln Electric IM463-A manual Accessory Troubleshooting, Cause, What To Do

TROUBLESHOOTING

TROUBLE	CAUSE		WHAT TO DO
M. Poor arc characteristics in	1.	Capacitor bank not switching in.	1.	Check the Mode SCR (SCR7). Should be on
GMAW mode.				when in GMAW and FCAW modes.
	2.	Capacitor(s) in output circuit failed. A failure	2.	Replace entire bank of capacitors. Do not
		is indicated if the small vent plug on top of a		replace individual capacitors.
		capacitor is raised or blown out.
				WARNING: The liquid electrolyte in these
				capacitors is toxic. Avoid contact with any
				portion of your body. Clean up vented
				electrolyte using rubber gloves and a water
				dampened cloth. Remove any electrolyte
				which gets on skin using soap and water.
N. Ammeter displays “Err” and	1.	An error has been detected.	1.	See Error code Troubleshooting Guide.
Voltmeter displays a number

ACCESSORY TROUBLESHOOTING

TROUBLE	CAUSE		WHAT TO DO
A. Output Control not functioning	1.	Output Control switch in wrong	1.	Place switch in “Remote”.
on Remote Control.		position.
	2.	Faulty Output Control switch.	2.	Check & replace if found faulty.
	3.	Faulty Remote Control	3.	Check & replace if found faulty.
		potentiometer.
	4.	Leads or connections open in	4.	Check all leads & connections.
		control circuit.
	5.	Faulty Control P.C. Board.	5.	See P.C. Board
				Troubleshooting Procedure.
B. Output Control not functioning	1.	Output Control switch in the	1.	Place switch in “Local” position.
on the machine.		wrong position.
	2.	Faulty Output Control switch.	2.	Check & replace if found faulty.
	3.	Faulty Output Control	3.	Check & replace if found faulty.
		potentiometer.

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.

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