Miller Electric Big Blue 300 P User Manual
Page 46
OM-4433 Page 42
Trouble
Remedy
Engine slowly stopped and cannot be
restarted.
Check fuel level.
Check engine air and fuel filters (see Sections 8-3 and 8-8).
See engine manual.
Battery discharges between uses.
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).
Engine idles, but does not come up to
weld speed (units with idle option only).
Have Factory Authorized Service Agent check idle module PC5 and current transformer CT1.
Check for obstructed throttle solenoid.
Engine does not run at idle speed
(units with idle option only).
Check for obstructed throttle solenoid.
Circuit breaker CB9 may be open. CB9 automatically resets when fault is corrected (see Section 8-9).
Have Factory Authorized Service Agent check idle module PC5, and control relay CR4.
Engine uses oil during run-in period;
wetstacking occurs.