ECM Background Information Mobile Generator
32 wc_tx000713gb.fm
The display shows the status of the speed sender. If the
speed sender has failed, the time of the failure will be dis-
played. The time of the failure will be included in the dis-
play until the generator has been shut down and remains
shutdown for a period of approximately two minutes. At
that time, the ECM clears itself.
The display shows the number of teeth on the flywheel
which are measured by the magnetic pickup. The num-
ber of teeth differs between Isuzu engines (136) and
John Deere engines (142).
The display shows the value of the prealarm setting for
under speed. If the ECM detects that the engine speed is
less than 55 Hz for longer than 1 second, the Hz reading
on the run screen will start to blink.
The display shows the value of the fault setting for under
speed. If the ECM detects that the engine speed is less
than 55 Hz for longer than 15 seconds, the ECM will shut
down the generator.
The display shows the value of the fault setting for over
speed. If the ECM detects that the engine speed is more
than 67 Hz for longer than 15 seconds, the ECM will shut
down the generator.
The display shows the status of the engine oil pressure
sender. If the oil pressure sender has failed, the time of
the failure will be displayed. The time of the failure will be
included in the display until the generator has been shut
down and remains shutdown for a period of approxi-
mately 2 minutes.
The display shows the value of the prealarm setting for
low oil pressure. If the ECM detects that the engine oil
pressure is less than 20 psi, the engine oil pressure read-
ing on the run screen will start to blink.
Speed Sender
Status is Normal
60.0 Hz Nominal
No. Teeth = 142
Prealarm Setting
1 s @ < 55.0 Hz
Fault Setting
15 s @ < 55.0 Hz
Fault Setting
1 s @ > 67.0 Hz
Oil Pres Sender
Status is Normal
Prealarm Setting
Level < 20 psi
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