Miller Electric Big Blue 401DXQ Welding System User Manual


 
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C. Engine
Trouble Remedy
Engine does not start. Check fuel level. Open fuel valve (see Section 4-4).
Check optional shutdown switch fuse F and replace if open (see Section 7-6).
Check battery and replace if necessary.
Check connections to Engine Control switch.
Check oil level. Optional automatic shutdown system stops engine if oil pressure gets too low or oil tem-
perature gets too high.
See engine manual.
Have Factory Authorized Service Agent check engine charging system.
Engine suddenly stops. Check optional magnetic shutdown switch fuse F and replace if open (see Section 7-6).
Check oil level. Optional automatic shutdown system stops engine if oil pressure gets too low or oil tem-
perature gets too high.
Engine slowly stopped; unable to restart
engine.
Check fuel level. Open fuel valve (see Section 4-4).
Engine does not stop when Engine Con-
trol switch is placed in Off position.
Use manual shutoff lever to stop engine (see Section 5-2). Check connections to Engine Control switch.
Have Factory Authorized Service Agent check engine fuel solenoid.
Engine remains at idle speed when En-
gine Control switch is placed in Run/Idle
position and an arc is struck. (Models
with automatic idle option only.)
Have Factory Authorized Service Agent check Engine Control switch and idle module.
Engine will not run at idle speed. (Models
with automatic idle option only.)
Check throttle solenoid fuse F4, and replace if open (see Section 7-6).
Have Factory Authorized Service Agent check Engine Control switch and idle module.
Battery discharges between uses. Make sure Engine Control switch is in Off position when unit is shut down.
Clean battery, terminals, and posts with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every three months).
Replace battery.
Engine uses oil during run-in period;
wetstacking occurs.
Dry engine (see Section 9).
See engine manual