Python 248-8XX owner manual Troubleshooting Table Symptoms Cause Remedy

Troubleshooting Table

Symptoms	Cause	Remedy
No wire feed at	Circuit breaker in feeder/	Reset.
	control box open.
gun, feeder not
	Micro-switch defective/not	Replace switch. Check
operating, i.e. no
	being activated.	switch for operation.
slave motor or
		Check micro-switch wires
brake solenoid.	Broken electrical cable.
		for continuity.
	Circuit breaker in feeder/	Check motor leads for
	control box open.	short. Reset.
No wire feed	Bad potentiometer.	Check potentiometer with
at gun, feeder		meter.
operating properly.
		Check motor and
	Broken electrical cable.	potentiometer wires for
		continuity.
Wire feeds, but	Loose or no cable	Check all power
welding wire is not	connections.	connections.
energized.	Welding power source.	Check power source.
	Dirty or worn conduit.	Blow out or replace
		conduit.
Wire feeds	Wrong size contact tip.	See contact tip table.
erratically.
		Check for lock washer
	Idler roll stuck.	under idler roll, or replace
		if damaged.
	Bad potentiometer.	Check with meter.
		Check potentiometer
Wire feeds one	Broken electrical cable.	wires for continuity or
		short.
speed only.
		See specific feeder/
	Bad speed control.	control owner's manual for
		speed control operation.
Wire walks out of	Idler roll upside-down.	Place groove in idler roll
		toward top.
drive rolls.
	Rear wire guide missing.	Replace wire guide.

Consult wire feeder and welding power supply owners manuals for further problem solving solutions.

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