Welding Troubleshooting - Miller Trailblazer 325 Owner's Manual

8-9. Welding Troubleshooting

Trouble
No weld output.
Low weld output.
No weld output and no auxiliary power.
High weld output.
Weld output cannot be adjusted.
Erratic weld output.
No remote voltage/amperage control.
No front panel voltage/amperage
control.
No 24 volt AC power output at Remote
receptacle RC4.
Lack of high frequency; difficulty in
establishing Gas Tungsten Arc Weld-
ing arc.
.
Complete Parts List is available at www.MillerWelds.com
Check weld control settings.
Check weld connections.
Disconnect equipment from generator power receptacles during start-up.
Increase front panel and/or remote voltage/amperage control settings (see Sections 5-11 and 6-1).
Check and secure connections to Remote receptacle RC4 (see Sections 5-11).
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
Check weld control settings.
Increase front panel and/or remote voltage/amperage control settings (see Sections 5-11 and 6-1).
Check and clean air cleaner as necessary (see Section 8-4).
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
See engine manual.
Have Factory Authorized Service Agent check fuse F5.
Check weld control settings.
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check circuit boards PC1 and PC2.
Have Factory Authorized Service Agent check control board PC2.
Check weld control settings.
Clean and tighten connections both inside and outside unit.
Check and secure lead connections to remote control.
Be sure connection to work piece is clean and tight.
Remove excessive coils from weld cables.
Use dry, properly stored electrodes.
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
Check shielding gas, ensure proper shielding gas coverage while welding.
Check and tighten connections to Remote receptacle RC4 (see Section 5-11). Check and secure
lead connections to remote control.
Disconnect remote control from Remote receptacle RC4 if not needed for weld process (see Section
5-11).
Reset supplementary protector CB4 (see Section 8-7).
Use proper size tungsten for welding amperage.
Reduce leakage of high frequency from torch or work cable (check grounding, remove excessive
coils from weld cables, use shorter weld cables, etc.).
Check cables and torch for cracked or deteriorated insulation or bad connections. Repair or replace
necessary parts.
Remedy
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