Miller Electric PipePro 304 manual Generator Power, Necessary parts

Trouble	Remedy
Remote contactor control does not	Check and tighten connections to Remote 14 receptacle RC14 (see Section 5-8).
activate contactor.
Lack of high frequency; difficulty in	Use proper size tungsten for welding amperage.
establishing Gas Tungsten Arc Weld-
ing arc.
	Reduce leakage of high frequency from torch or work cable (check grounding, remove excessive
	coils from weld cables, use shorter weld cables, etc.).
	Check cables and torch for cracked or deteriorated insulation or bad connections. Repair or replace
	necessary parts.
Wandering arc − poor control of arc	Reduce gas flow rate.
direction.
	Select proper size tungsten. Properly prepare tungsten.
Tungsten electrode oxidizing and not	Shield weld zone from drafts.
remaining bright after conclusion of
weld.
	Increase postflow time.
	Check and tighten all gas fittings.
	Properly prepare tungsten.
No 115 volt ac output at Remote 14 re-	Reset supplementary protector CB5 (see Section 8-9).
ceptacle RC14.
No 24 volt ac output at Remote 14 re-	Reset supplementary protector CB6 (see Section 8-9).
ceptacle RC14.

B. Generator Power

Trouble	Remedy
No power output.	Reset supplementary protectors (see Section 7-1).
	Have Factory Authorized Service Agent check brushes, slip rings, power board PC7, voltage regulator
	board PC8, interconnecting board PC2, and control board PC1.
Low power output.	Check air cleaner, and clean or replace element if necessary.
	Check engine speed, and adjust if necessary (see Section 8-8).
	See engine manual.
High power output.	Check engine speed, and adjust if necessary (see Section 8-8).
Erratic power output.	Check receptacle wiring and connections.
	Check governor according to engine manual.
	Have Factory Authorized Service Agent check brushes, slip rings, power board PC7, voltage regulator
	board PC8, interconnecting board PC2, and control board PC1.

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