Troubleshooting Tables - Miller Trailblazer 302 Diesel Owner's Manual

8-6. Troubleshooting Tables

A. Welding
Trouble
No weld output.
Low weld output.
High weld output.
Weld output cannot be adjusted.
Erratic weld output.
No remote voltage/amperage control.
No front panel voltage/amperage con-
trol.
No 24 volt ac power output at Remote
receptacle RC4.
No 115 volt ac power output at Remote
receptacle RC4.
OM-217 454 Page 40
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 6-2 and 6-6).
Check and secure connections to Remote receptacle RC4 (see Sections 5-10).
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
Check control settings.
Increase front panel and/or remote voltage/amperage control settings (see Sections 6-2 and 6-6).
Check and clean air cleaner as necessary (see Section 8-2).
Clean and/or replace fuel filter and inline fuel strainer as necessary (see Section 8-3)
Check engine speed, and adjust if necessary (see Section 8-4).
See engine manual.
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
Check control settings.
Check and adjust engine speed (see Section 8-4).
Check for obstructed movement of solenoid linkage (see Section 8-4).
Have Factory Authorized Service Agent check circuit boards PC1 and PC2.
Have Factory Authorized Service Agent check field current control board PC2.
Check 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.
Check and adjust engine speed (see Section 8-4).
Check shielding gas, ensure proper shielding gas coverage while welding.
Have Factory Authorized Service Agent check brushes, slip rings, and circuit boards PC1 and PC2.
Check and tighten connections to Remote receptacle RC4 (see Section 5-10). Check and secure
lead connections to remote control.
Disconnect remote control from Remote receptacle RC4 if not needed for weld process (see Section
5-10).
Reset supplementary protector CB4 (see Section 8-5).
Reset supplementary protector(s) CB1 and/or CB3 (see Section 7-1).
.
A complete Parts List is available at www.MillerWelds.com
Remedy