New Holland Workmaster 50 Operator's Manual page 163

Problem
The coolant temperature
warning light comes on
Output reduction
The battery warning light
comes on
8 - TROUBLESHOOTING
Possible Cause
Broken or worn belt
Clogged fuel filter
Presence of air in the fuel supply circuit
Injection pump malfunction
Dirty or faulty injectors
Clogged air filter
Engine overheating
Insufficient combustion air flow
Particulate filter is clogged
The alternating current generator does not
charge the battery
Replace the belt (See "Changing the belt
(type Poly-V)")
Replace filter (See "Fuel filter replace-
ment.")
Carry out bleeding (See "Fuel supply circuit
bleeding")
Replace the pump
Apply to a service workshop
Replace the injectors
Apply to a service workshop
Clean or replace the filter
Apply to a service workshop
Apply to a service workshop
The particulate filter regeneration is neces-
sary
Check and, if appropriate, replace the alter-
nating current generator
Apply to a service workshop
8-3
Correction