Troubleshooting Tables - Miller Trailblazer 325 Diesel Owner's Manual

8-8.

Troubleshooting Tables

A. Welding
Trouble
Low or no weld output; generator
power output okay at AC receptacles.
No weld output or generator power
output at AC receptacles.
Low weld output.
High weld output.
Erratic weld output.
Arc terminates prematurely in GTAW
Lift-Arc process.
B. Generator Power
Trouble
No or low generator power output at
AC receptacles; weld output okay.
No generator power or weld output.
Erratic power output at AC
receptacles.
C. Engine
Maintenance Display
noFUEL
HI H2O
LO OIL
Trouble
Engine does not crank.
Engine cranks but does not start.
OM-279836 Page 50
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Complete Parts List is available at www.MillerWelds.com
Check control settings and all connections.
Check fuse F5 and replace if necessary (see Section 8-6).
Have Factory Authorized Service Agent check brushes, slip rings, and main rectifiers SR1, SR2, and
SR3.
Be sure all equipment is disconnected from receptacles when starting unit.
Have Factory Authorized Service Agent check brushes and slip rings.
Check control settings.
Service air cleaner (see Section 8-4)
Have Factory Authorized Service Agent check brushes and slip rings.
Check control settings.
Check control settings.
Tighten and clean connections to electrode and workpiece.
Use dry, properly stored electrodes for Stick and TIG welding.
Remove excessive coils from weld cables.
Clean and tighten connections both inside and outside welder/generator.
Have Factory Authorized Service Agent check brushes and slip rings.
Increase Auto-Stop (see Section 6-6).
Reset supplementary protectors (see Section 7-1).
Press GFCI receptacle Reset button (see Section 7-2).
Check engine ignition wiring connections.
Have Factory Authorized Service Agent check brushes and slip rings.
Be sure all equipment is disconnected from receptacles when starting unit.
Check engine ignition wiring connections.
Have Factory Authorized Service Agent check brushes and slip rings.
Check fuel level.
Check receptacle wiring and connections.
Have Factory Authorized Service Agent check brushes and slip rings.
Place Engine Control switch in the Off position, refuel, and start engine.
Coolant temperature is too high. Allow engine to cool and check coolant level (see Section 8-3).
Oil pressure is too low. Allow engine to cool and check oil level (see Section 8-3).
Supplementary protector CB8 may be open (see Section 8-6). Wait and retry.
Check battery voltage.
Check battery connections; clean and tighten if necessary.
Check Engine Control switch and engine wiring harness connections.
Have Factory Authorized Service Agent check circuit breaker CB8.
Check fuel level and front panel fault indicators (see Section 6-1).
Remedy
Remedy
Action
Remedy