Removing Knob From Front Panel; Troubleshooting - Miller Millermatic 210 Owner's Manual

6-6. Removing Knob From Front Panel

1
2
3
4
Slide
Depress
Knob
Spring
Clip
5

6-7. Troubleshooting

Welding Trouble
No weld output; wire does not feed.
No weld output; wire feeds.
Low weld output.
Low, high, or erratic wire speed.
Wire Drive/Gun Trouble
Electrode wire feeding stops during
welding. welding
OM-1325 Page 24
Secure power cord plug in receptacle (see Section 4-12).
Check and replace power switch if necessary.
Check supplementary protector CB1, and reset if necessary (see Section 6-2).
Replace building line fuse or reset circuit breaker if open (see Section 4-12).
Secure gun plug in receptacle or repair leads, or replace trigger switch (see welding gun Owner's
Manual).
Thermostat TP1 or TP2 open (overheating). Allow fan to run; the thermostat will close when the unit has
cooled (see Section 6-3).
Connect work clamp to get good metal to metal contact.
Replace contact tip (see welding gun Owner's Manual).
Connect unit to proper input voltage or check for low line voltage (see Section 4-12).
Readjust front panel settings (see Section 5-1).
Change to correct size drive roll (see Section 6-4).
Readjust drive roll pressure (see Section 4-13).
Replace inlet guide, contact tip, and/or liner if necessary (see welding gun Owner's Manual).
Straighten gun cable and/or replace damaged parts (see welding gun Owner's Manual).
Adjust drive roll pressure (see Section 4-13).
Readjust hub tension (see Section 4-9).
Y Turn Off power.
1 Front Panel
2 Knob
3 Spring Clip
4 Control Shaft
5 Slot
Rotate knob to allow access to slot.
Insert Allen wrench (or stiff piece of
wire) into slot, and while depressing
spring clip, slide knob off control
shaft.
To reinstall, push knob fully onto
control shaft.
Remedy
Remedy
Ref. 803 346 / Ref. 803 863-B