Miller Electric 301 G manual Engine

D. Engine

Trouble	Remedy
Engine will not crank.	Check fuse F6, and replace if open (see Section 8-6).
	Check battery voltage.
	Check battery connections and tighten if necessary.
	Check plug PLG5 and plug PLG8 connections.
	Have Factory Authorized Service Agent check Engine Control switch S2.
Engine does not start.	Check fuel level (see Section 5-2).
	Check battery and replace if necessary.
	Check engine charging system according to engine manual.
	See engine manual.
Engine starts but stops when Engine	Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.
Control switch returns to either Run/
Idle position.
	Use correct grade oil for operating temperature. (see Section 8-2).
	Have Factory Authorized Service Agent check low oil pressure shutdown switch S5.
Battery discharges between uses.	Place Engine Control switch in Off position when unit is not running.
	Clean top of battery with baking soda and water solution; rinse with clear water.
	Periodically recharge battery (approximately every 3 months).
	Replace battery.
	Check voltage regulator according to engine manual.
Engine stopped during normal	Check fuel level (see Section 5-2).
operation.
	Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.
	Have Factory Authorized Service Agent check low oil pressure shutdown switch S5.
Engine does not return to idle speed.	Place Engine Control switch S2 in either Run/Idle position.
	Remove all weld and generator power loads.
	Turn off remote contactor. The unit will not return to idle speed when the remote contactor is on.
	Turn off remote device connected to Remote receptacle RC4 (see Section 5-8).
	Check for obstructed movement of solenoid linkage.
	Have Factory Authorized Service Agent check circuit board PC2 and current transformer CT1.
Engine does not go to weld speed.	Place Speed Control switch in Weld position.

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