Miller Electric Big Blue 600D manual Generator Power Trouble, Engine

B. Generator Power Trouble

Trouble	Remedy
No output at 120 volt ac receptacles.	Reset circuit breaker CB1 and/or CB2 (see Section 6-1).
	Check fuse F6, and replace if necessary (see Section 7-6).
	Have Factory Authorized Service Agent check brushes and slip rings.
Low or high generator power output	Check engine speed, and adjust if necessary (see Section 7-5).
voltage at 120 volt ac receptacles.
	If low generator power output, check fuse F6, and replace if necessary (see Section 7-6).

C. Engine

Trouble	Remedy
Engine does not start.	Check fuel level (see Section 4-4).
	Check battery, and replace if necessary.
	Check oil level. Engine stops if oil temperature is too high or oil pressure is too low.
	Check fuse F, and replace if necessary (see Section 7-6).
	Check engine battery charging system according to engine service manual.
Engine suddenly stops.	If Check Cooling System/Alternator light is on, check and replace engine belt.
	Check oil level. Engine stops if oil temperature is too high or oil pressure is too low.
	Check fuse F, and replace if necessary (see Section 7-6).
	Check engine speed. Optional overspeed shutdown stops engine if speed exceeds normal rpm (see
	Section 7-9).
Engine uses oil during run-in period;	Dry engine.
wetstacking occurs.
Engine does not stop when Engine	Have Factory Authorized Service Agent check diode D9
Control switch is placed in Off position.
Battery discharges between uses.	Clean top of battery with baking soda and water solution; rinse with clear water.
	Recharge or replace battery if necessary.

OM-481 Page 29