3−6
T-343
CONDITION POSSIBLE CAUSE
REMEDY/
REFERENCE
SECTION
3.4 AUTO RE-START OPTION (CONTINUED)
Engine starts, but shuts down from
over speed
Electronic Governor Module (EG) is bad Replace
Engine cranks, but will not start
Electronic Governor Module (EG) is bad
See 3.1.1
Replace
See 3.1.1
Engine starts, but shuts down on
low oil
See 3.1.2 See 3.1.2
Engine starts, but shuts down on
high water temperature
See 3.1.6 See 3.1.6
3.5 DUAL SPEED OPTION
When the Operating Mode switch is
placed in the Economy position,
nothing happens.
Wait 2 hours for the Dual Speed Timer (DT) to activate
the Electronic Governor Module (EG).
The Dual Speed Timer (DT) is bad.
12v is not available to the Dual Speed Timer (DT).
12v is not available to the Operating Mode switch.
Wait
Check for 12
volts at Pin 15
Replace module
Check/Replace
Switch
Check/Correct
wiring
3.6 ELECTRONIC GOVERNOR MODULE
Fault LED flash code Possible
Cause
Engine Over Speed: more than
2,530 RPM
One Long–One Short ESS or mechan-
ical engine prob-
lem
Actuator Wiring Disconnection. No
signal from ESS for 2 seconds
after RPM is greater than 1,000
RPM for 10 seconds, OR for 5
seconds while engine cranking (no
voltage at EG pin 18).
Two Long–One Short ESS or wiring
problem
Speed Sensor Disconnection.
Fuel/speed actuator (FS) wiring
disconnected or open circuit. Coil
Resistance Spec: 2.8 ohm +/-
10%.
Two Long–Three Short FS or wiring
problem
EG supply voltage is greater than
26V.
Two Long–Seven Short EG or alternator
problem
To Next Page
Loading...
