New Holland Workmaster 50, Service Manual

Page: 554 / 1067

Electrical systems - Electrical system
Electrical system - Troubleshooting
Problem Possible Cause Correction
Charge light remains
illuminated
Faulty alternator component. Test alternator and repair a necessary.
Short circuit to ground between alternator
and warning lamp. Check wiring and repair as necessary.
Charge light does not
illuminate Blown fuse panel, 15 A instrument panel
fuse.
Inspect 15 A fuse and replace as neces-
sary.
Faulty charge indicator bulb. Inspect indicator bulb and replace as nec-
essary.
Open charge light circuit. Inspect connections, grounds, and wiring
for charge circuit and repair as necessary.
Insufficient or no battery
charge, hard starting, or
dim indicator light Battery charge less than 75%. Test battery. Charge, add water, or replace
as necessary.
Fan belt slipping. Check fan belt tension, adjust as neces-
sary.
Loose wiring connections. Check wiring connections for charge cir-
cuit, repair as necessary.
Continuity fault in external wiring. Check wiring harness and repair as neces-
sary.
Blown fuse panel, 15 A alternator excita-
tion fuse.
Inspect 15 A fuse and replace as neces-
sary.
Battery failure, frequent
burnout of lamps and
fuses Overcharge condition. Check alternator voltage output and repair
as necessary.
Ground circuit for alternator short-circuited. Check alternator wiring and connections
and repair as necessary.
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