Hitachi Zaxis 850LC-3 Operator's Manual page 332

Problem
Engine Cranks Slowly
Starter Motor Continues to Run
After Engine Starts
Charging Indicator Light On-
Engine Running
Noisy Alternator
No Monitor Panel Indicators
Work
Individual Light in Monitor
Panel is Not Working
TROUBLESHOOTING
ELECTRICAL SYSTEM
Cause
Battery discharged or will not hold a
charge
Starter "dragging"
Low battery voltage
Start relay stuck
Starter solenoid stuck
Starter not disengaging
Key switch
Loose or glazed alternator belt
Engine rpm low
Excessive electrical load from added ac-
cessories
Loose or corroded electrical connec-
tions on battery, ground strap, starter,
or alternator
Battery voltage low
Alternator or regulator
Indicator circuit
Worn drive belt
Worn pulleys
Pulley misaligned
Alternator bearing
Fuse
Wiring harness
Bulb
Fuse
Wiring harness
11-6
Solution
Replace battery.
See your authorized dealer.
Recharge or replace battery.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
See your authorized dealer.
Check belt.
Replace if glazed, tighten if loose.
Adjust rpm to specification.
Remove accessories or install higher
output alternator.
Inspect, clean, or tighten electrical con-
nections.
Change or replace battery.
See your authorized dealer.
See your authorized dealer.
Replace belt.
Replace pulleys and belt.
Adjust alternator mount.
Loosen alternator belts.
Turn pulley by hand.
If any roughness is felt, repair alternator.
Replace fuse.
See your authorized dealer.
Replace bulb.
Replace fuse.
See your authorized dealer.