ECM Background Information Mobile Generator
38 wc_tx000713gb.fm
4.7 ECM Automatic Engine Shutdown Conditions
The engine protection system includes six automatic shutdown
conditions: low oil pressure, high coolant temperature, engine
underspeed/overspeed, engine overcrank, low fuel. The ECM will also
shut down the engine if an over-current condition exists.
When the ECM has shut down the unit due to one of the faults, the
ECM will display the fault and other pertinent information to aid in
diagnosing the problem. RECORD ALL THE INFORMATION LISTED
on the display, then refer to the following sections to diagnose and
rectify the problem.
When the engine has shut down due to something outside the control
of the ECM, the ECM will display “ENGINE STOPPED”.
Fault Pre-alarm setpoint Shutdown setpoint
Low oil pressure 20 psi 15 psi
High coolant temperature 100°C (211°F) Isuzu
112°C (234°F) John Deere
105°C (221°F) Isuzu
115°C (239°F) John Deere
Underspeed n/a 55 Hz (1650 rpm)
Overspeed n/a 67 Hz (2010 rpm)
Overcrank n/a After third attempt
Fuel level 25% 5%
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