Electrical System Faults - Zetor PRIMO HT 20 NC Operator's Manual

Electrical system faults

FAULT
The battery is
not charging
The lights are
not bright
Electrical
enough
System
The light does
not come on
The turn signal
light does not
flash
The work light
does not come
on
124
TROUBLESHOOTING
PROBABLE CAUSE
Blown fuse

Defective power

line
Defective

alternator
Loose or damaged

alternator belt
Battery

malfunction
Low battery

charge level
Poor contact on

power lines
Burnt out light bulb

Blown fuse

Bad contact

Burnt out light bulb

Defective light

interrupter
Bad contact

Burnt out light bulb

Bad contact

SOLUTION
Check the power lines and replace the

defective fuse
Check for loose or missing cable, short

circuit, poor grounding, and repair as
needed
Have it repaired by an authorized service

Adjust the belt preload or replace the

cracked belt
Check that the terminals are not loose or

corroded, or that there is a sufficient
amount of electrolyte and take the
necessary measures
Recharge the battery

Check the grounding, clean and tighten

clamps
Replace the bulb

Check the power lines and replace the

fuse
Check the grounding and clean the

clamps
Replace the bulb

Replace

Check the grounding and clean the

clamps
Replace the bulb

Check the grounding and clean the

clamps