Miller Trailblazer 325 Diesel Owner's Manual page 55

Trouble
Engine starts but stops when Engine
Control switch S1 returns to Auto-
Speed position.
Engine stopped during normal
operation.
Battery discharges between uses.
Engine does not return to idle speed
when load is removed with Engine
Control switch in Auto-Speed position.
Engine does not remain at weld/power
speed when power or weld load is ap-
plied with Engine Control switch in Au-
to-Speed position.
Engine exhaust smoke black when
unit is under load.
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Complete Parts List is available at www.MillerWelds.com
Glow plug circuit breaker CB7 may be open (see Section 8-6). Wait and retry.
Service inline fuel strainer and fuel filter (see Section 8-2).
Check battery and replace if necessary.
Check engine charging system according to engine manual.
Have Factory Authorized Service Agent check Engine Control Unit (ECU) fault codes.
Have Factory Authorized Service Agent check glow plug switch S2, glow plug, and control relay
CR1.
Check oil level (see Section 5-5) and front panel fault indicators (see Section 6-1). Engine will not
start if oil pressure is too low.
Check coolant level and fan belt (see Section 5-5 and engine manual), and check front panel fault in-
dicators (see Section 6-1). Engine will not start if engine temperature is too high.
Have Factory Authorized Service Agent check low oil pressure shutdown switch S3 and engine tem-
perature switch S4.
Check fuel level and front panel fault indicators (see Section 6-1).
Check oil level (see Section 5-5) and front panel fault indicators (see Section 6-1). Engine will not
start if oil pressure is too low.
Check coolant level and fan belt (see Section 5-5 and engine manual), and check front panel fault in-
dicators (see Section 6-1). Engine stops if engine temperature is too high.
Have Factory Authorized Service Agent check low oil pressure shutdown switch S3 and engine tem-
perature switch S4.
Clean top of battery with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check alternator voltage according to engine manual.
Remove all weld and generator power loads.
Have engine Factory Authorized Service Agent check engine and wiring.
Have engine Factory Authorized Service Agent check engine and wiring.
Replace air cleaner. Replace fuel filter.
Remedy
OM-279836 Page 51