Electrical System - Troubleshooting - New Holland Workmaster 25S Operator's Manual

Problem
Abnormal noise

Electrical system - Troubleshooting

Problem
Headlights are dim
Battery does not charge
Headlights will not
illuminate
Turn signal lights do not
work
Cold start aid not working Faulty connection of glow plug wiring
8 - TROUBLESHOOTING
Possible Cause
HST internal parts worn
Engine speed is too low
Oil temperature is too low
HST oil filter clogged
Oil shortage
Possible Cause
Battery charge is low
Faulty headlight wiring or faulty ground
connection
Incorrect wiring
Incorrect fan belt tension or broken belt
Faulty Alternator
Faulty battery
Light bulb burnt out
Blown Fuse
Faulty wiring connection
Faulty light switch
Light bulb burnt out
Faulty wiring connection
Blown fuse
Faulty turn signal switch
Blown fuse
Glow plug relay or safety controller faulty
Faulty glow plugs
See your NEW HOLLAND dealer for ser-
vice
Set engine speed over 1500 RPM
Run engine to warm up the oil
Replace the HST filter
Add transmission oil as needed
Charge or replace battery
See your NEW HOLLAND dealer for ser-
vice
Check battery terminals and ground for cor-
rosion
Adjust fan belt tension or replace belt
See your NEW HOLLAND dealer for ser-
vice
Replace battery
Replace bulb as needed
Check the cause and replace fuse with cor-
rect size
Check headlight wiring connection, repair
as needed
Check switch for proper function and re-
place if needed
Replace bulb, with correct size
See your NEW HOLLAND dealer for ser-
vice
Check the cause, replace fuse with correct
size
Check switch for proper function, see your
NEW HOLLAND dealer for service
See your NEW HOLLAND dealer for ser-
vice
Check for cause and replace fuse with cor-
rect size .
See your NEW HOLLAND dealer for ser-
vice
See your NEW HOLLAND dealer for ser-
vice
8-4
Correction
Correction