Section 9 − Troubleshooting; Generator Power Troubleshooting; Engine Troubleshooting - Miller EnPak Mechanic OM-240 113H Owner's Manual

SECTION 9 − TROUBLESHOOTING

9-1. Generator Power Troubleshooting

Trouble
No power output.
Low power output.
High power output.
Erratic power output.
GFCI device trips at low speed.
Machine plugged into regular generator
auxiliary power does not work.

9-2. Engine Troubleshooting

Trouble
Engine will not crank.
Engine does not start.
Engine starts but stops.
Engine stopped during normal
operation.
Engine does not return to idle speed.
Reset supplementary protectors CB1, CB2 and/or CB3 (see Section 15-2).
Have Factory Authorized Service Agent check generator.
Check and clean engine air cleaner as necessary.
Have Factory Authorized Service Agent check engine speed.
See engine manual.
Have Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check engine speed.
Check wiring and connections.
GFCI receptacle or extension cord not proper type for application. Replace with Miller approved GFCI
device (see Parts List).
Engine speed too low and load is not recognized. Using crane remote or EnPak remote panel, manu-
ally place engine in high speed (see Section 6-1 item 7 for EnPak remote panel).
Check battery connections and tighten if necessary.
Check battery voltage.
Check Manual/Remote switch on Service Panel.
Check to ensure crane power switch and safety interlock are working (see Section 8-4).
Have Factory Authorized Service Agent check Remote Panel.
Check fuel level.
Check battery and replace if necessary.
Check engine charging system according to engine manual.
Have Factory Authorized Service Agent check fuel pump.
See engine manual.
Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.
Use correct grade oil for operating temperature. (see Section 8-1).
Have Factory Authorized Service Agent check low oil pressure shutdown switch S2.
Check fuel level (see Section 5-2).
Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.
Oil level too high reduces capacity of the fuel pump.
Have Factory Authorized Service Agent check throttle solenoid TS1 according to engine manual.
Have Factory Authorized Service Agent check low oil pressure shutdown switch S2.
Remove all generator power loads, compressor loads, and hydraulic loads.
Check remote panel and crane pendant to see if system is locked in high speed.
Remedy
Remedy
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