Harbor Freight Tools 6098 operating instructions Troubleshooting, Maintenance

Troubleshooting

Symptom	Possible Cause	Checks and Remedies
MIG Welder does not	No power to MIG Welder.	Check Line Cord and plug. Check facility circuit
work when turned on.		breaker.
	Overheated during use.	In overload mode; Allow to cool down.
Wire does not feed	Insufficient wire feed spring tension.	Tighten spring tension knob. See photo on page 6.
properly.
	Wire guide sheath blocked.	Clean or replace wire sheath.
	Wire spool axle nut too tight.	Loosen nut so reel moves freely.
	Braking on wire reel excessive.	Loosen brake using adjusting screw.
	Wire reel has oxidized, poorly wound	Replace wire reel.
	or quality wire.
Reduced welding	Ground Cable not connected or poor	Check that the Ground Cable Clamp is securely
power.	connection.
		attached to the metal being welded. This area should
		be cleaned down to the metal and free of paint, dirt
		and grease.
	Internal connection loose on switches.	A qualified technician should open the unit and check
		and tighten any loose connectors.
	Faulty contactor.	Check the state of the contacts and the mechanical
		operation of the contactors.
	One or more rectifiers failed.	A qualified technician should open the unit and check
		for burnt rectifiers and replace.
Porous or spongy	No gas; Little gas.	Check presence of gas and supply line and pressure.
welds.
	Clogged holes in Welding Torch head	Clear clogged holes using compressed air.
	diffuser.
	Solenoid valve blocked.	A qualified technician should open the unit and check
		solenoid operation and electrical connection.
	Poor quality gas or wire.	Gas must be very dry. Use a moisture filter. Use a
		different type of wire.
Gas supply does not	Worn or dirty solenoid valve.	A qualified technician should open the unit and
switch off.
		dismantle valve, clean orifice and seating element.
Pressing Welding Torch	Faulty Welding Torch trigger;	A qualified technician should open the unit and
trigger produces no	Disconnected or broken control
		remove the torch connection plug and short-circuit
result.	cables.
		the poles. Check and repair control cables.
	Overload controller defective.	A qualified technician should open the unit and
		replace the overload controller.

Maintenance

Caution: Before performing any maintenance on the MIG Welder, unplug the power Line Cord from the electrical outlet.

1.Periodically using compressed air, open the top and side panels and blow out all dust from the interior.

SKU 06098 Page 9