Miller Electric DVI-2 R Aligning Drive Rolls and Wire Guide, Troubleshooting, Turn Off power

.A complete Parts List is available at www.MillerWelds.com

6-4. Aligning Drive Rolls and Wire Guide

! Turn Off power.

			View is from top of drive rolls
			looking down with pressure
			assembly open.
	Correct	Incorrect	1	Drive Roll Securing Nut
3	4		2	Drive Roll
2			3	Wire Guide
1			4	Welding Wire
		5	5	Drive Gear
			Insert screwdriver, and turn screw

in or out until drive roll groove lines up with wire guide.

Close pressure roll assembly.

Tools Needed:

Ref. 800 412-A

6-5. Troubleshooting

	Welding Trouble		Remedy
No weld output; wire does not feed.		Secure power cord plug in receptacle (see Section 4-12).
		Check power switch/supplementary protector, and reset if necessary. If supplementary protector is not
		tripped, replace power switch.
		Replace building line fuse or reset circuit breaker if open (see Section 4-12).
		Thermostat TP1 or TP2 open (overheating). Allow fan to run; the thermostat will close when the unit has
		cooled (see Section 6-2).
No weld output; wire feeds.		Connect work clamp to get good metal to metal contact.
		Replace contact tip (see Section welding gun Owner’s Manual).
Low weld output.		Connect unit to proper input voltage or check for low line voltage (see Section 4-12).
Low, high, or erratic wire speed.		Readjust front panel settings (see Section ).
		Change to correct size drive roll (see Section 6-3).
		Readjust drive roll pressure (see Section 4-13).

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