Miller Electric Big Blue 400 PX Owner's Manual page 49

Trouble
Engine suddenly stops.
Engine slowly stopped and cannot be
restarted.
Battery discharges between uses.
Engine uses oil during run-in period;
wetstacking occurs.
Notes
Close engine access door. Engine access door switch LS1 prevents engine from starting or running if
door is open
Check oil and coolant levels. Automatic shutdown system stops engine if oil pressure is too low or
coolant temperature is too high (see Section 5-6).
Circuit breaker CB1 may be open. CB1 automatically resets when fault is corrected (see Section 8-9).
Reset supplementary protector CB2 (see Section 8-9). Have Factory Authorized Service Agent check
engine alternator, engine harness, fuel pump, and engine governor system.
Check engine speed, and have Factory Authorized Service Agent adjust if necessary. Overspeed
shutdown automatically stops engine if speed is too high. The overspeed shutdown system resets
when the engine is restarted.
An overspeed condition can also occur if the engine draws fuel-rich air from the surrounding atmo-
sphere (oil refineries).
Have Factory Authorized Service Agent check Engine Control switch S1, control relay CR1, inte-
grated rectifier SR2, fuel pump, and engine governor system.
See engine manual.
Check fuel level.
Check engine air and fuel filters (see Sections 8-5 and 8-8).
See engine manual.
Turn Engine Control switch off when unit is not running.
Clean top of battery with baking soda and water solution; rinse with clear water.
Recharge or replace battery if necessary.
Periodically recharge battery (approximately every 3 months).
Dry engine according to run-in procedure (see Section 10).
Remedy
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