Case 580ST, Operator'S Manual

Page: 387 / 434

8 - TROUBLESHOOTING
Electrical System
PROBLEM POSSIBLE CAUSE CORRECTION
Loose or oxidised battery
connections. Check that the battery voltage with
open circuit is at least
12.6 V .
Clean and tighten the connections.
Sulphated batteries. Check the electrolyte level and
density.
Battery isolator switch off.
Restore the battery isolator switch.
The electrical system is inoperative.
The main connection fuse of the
machine is blown. Find the reason of the failure and
replace the connection fuse.
Loose or corroded connections. Clean and tighten loose connections.
Low battery output voltage.
Check that the battery voltage with
open circuit is at least
12.6 V . Check
the electrolyte level and density.
Starter motor speed too low, the
engine cranks slowly.
Incorrect viscosity of the engine oil. Use an oil with correct viscosity for
the temperature conditions.
Transmission gearshift lever
engaged. Move gearshift lever to neutral.
Loose or corroded connections. Clean and tighten loose connections.
Starter motor inoperative.
Dead batteries. Charge or replace the batteries.
Low engine idle speed. Increase idle speed.
Loose belt.
Check belt tension.
Malfunctioning battery. Check that the battery voltage with
open circuit is at least
12.6 V . Check
the electrolyte level and density.
The charge indicator lamp stays on
with the engine running.
Malfunctioning alternator. Check the alternator and repair, if
necessary.
Loose or corroded battery
connections. Clean and tighten the connections.
Sulphated batteries. Check that the battery voltage with
open circuit is at least
12.6 V . Check
the electrolyte level and density.
Batteries will not charge.
Loose or worn belt. Check the automatic belt tensioner. If
necessary, replace the belt.
The charge indicator flashes,
indicating excessive charging
voltage. Malfunctioning alternator. Check the alternator and repair, if
necessary.
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