New Holland Workmaster 50, Руководство оператора, Страница: 161 / 184

8 - TROUBLESHOOTING
8 - TROUBLESHOOTING ###_8_###
SYMPTOM(S)
Viewing error codes
Error codes transmission
The tractor's electronic control units are able to detect op-
erating faults or errors occurring in key areas such as the
engine, gearbox, electric systems.
Should a malfunction or error occur, the relevant symbol
and error code will appear in the display.
This display may be accompanied by the amber or red
warning lights on the control panel coming on and by an
audible warning, depending on the severity of the fault.
Contact your NEW HOLLAND authorized dealer's spe-
cialized personnel where envisaged.
DCAPLT5NE002S8A
1
Engine - Troubleshooting
Problem Possible Cause Correction
During the ignition phase
the control board and the
engine do not start. Flat battery Recharge or replace battery
Blown fuse Replace fuse
The electric cables are disconnected or
they do not guarantee continuity Check the electric connections
Failure of engine revolution sensor Replace the sensor
Apply to a service workshop
The engine does not start
Presence of air in the fuel supply circuit Carry out bleeding (See “Fuel supply circuit
bleeding”)
Dirty or faulty injectors
Replace the injectors
Apply to a service workshop
Faulty fuel pressure regulation valve Replace the valve
Apply to a service workshop
Failure of the start control Replace the start control
Apply to a service workshop
water and/or impurities in the fuel Apply to a service workshop
Clogged fuel filter Replace filter (See “Fuel filter replace-
ment.”)
The starter motor runs
idle
Electromagnet failure Check the starter motor
Apply to a service workshop
The starter motor is not
running Flat battery Recharge or replace battery
Interrupted electric connection Check the electric connections
Worn brushes Replace the worn brushes
Apply to a service workshop
The engine stops after
ignition Presence of air in the fuel supply circuit Carry out bleeding (See “Fuel supply circuit
bleeding”)
Clogged fuel filter Replace filter (See “Fuel filter replace-
ment.”)
Injection pump malfunction
Apply to a service workshop
Faulty fuel pressure regulation valve Replace the valve
Apply to a service workshop
Presence of air in the fuel supply circuit Carry out bleeding (See “Fuel supply circuit
bleeding”)
Water and/or impurities in the fuel Apply to a service workshop
8-1