7. replacing diffuser, 8. troubleshooting – Miller Electric 15A User Manual
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OM-1213 Page 20
6-7. Replacing Diffuser
Ref. 803 348-G
Turn Off welding power source.
1
Nozzle
2
FasTip
Diffuser
Remove diffuser and replace.
Tools Needed:
3/8 in
1
2
3
6-8. Troubleshooting
Trouble
Remedy
No weld output; gun/feeder does not
k
Secure weld control plug in 115 volts ac receptacle (see weld control Owner’s Manual).
work.
Place Power switch on welding power source in the On position (see welding power source Owner’s
Manual).
Erratic weld output.
Tighten and clean all connections.
Pressing gun/feeder trigger does not en-
ergize weld control; welding wire is not
energized; shielding gas does not flow.
Secure plug from gun/feeder trigger cord into 10-socket receptacle on weld control (see Sections 4-5 and
4-6).
Wire feeds, shielding gas flows, but
ldi i
i t
i d
Secure control cable leads in weld control (see weld control Owner’s Manual).
welding wire is not energized.
See Troubleshooting section in welding power source Owner’s Manual.
Wire feeds erratically.
Check and correct drive roll pressure (see Section 4-8).