Nanni N4.40, Workshop Manual

Page: 78 / 175

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S8
[2] ELECTRONIC GOVERNOR
IMPORTANT
• The engine trouble divides into an electronic governor, the main body of the engine, and the operating
constancy.
This manual describes it concerning the check of an electronic governor.
Refer to WSM of engine and operator's manual if you cannot find trouble related to an electronic governor
by checking an electronic governor.
M00000003ENS0002US1
Engine will not start.
M00000003ENS0003US1
Engine stopped automatically. Engine can be started again and stops again 10 seconds later.
M00000003ENS0004US1
Engine speed cannot be controlled.
M00000003ENS0005US1
Cause Corrections Refer to Checking
Starter Operating but Not Cranking the
Engine Examine operation of the
solenoid Solenoid
Examine harness of the solenoid Solenoid
Examine harness of the glow
plug
Glow plug
Starter Does Not Operate Examine emergency stop switch Emergency stop switch
Cause Corrections Refer to Checking
Trouble in the electronic governor
composition parts Examine blinking pattern of the
glow lamp (1) Signal pattern sheet
(1) Glow Lamp
Cause Corrections Refer to Checking
Engine speed does not increase /
decrease Examine slow down switch Slow down switch
Examine speed switch Speed switch
Examine operation of the
solenoid Solenoid
Examine harness of speed
sensor Harness
Engine runs rough Examine operation of the
solenoid Solenoid
Examine harness of speed
sensor Harness
KiSC issued 06, 2009 A