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High Engine Temperature (Shutdown Alarm – Auto Reset)
A 10 second delay on start-up and one (1) second delay before
shutdown. Auto reset when the condition clears and restart the
engine if a valid start signal is still present.
This switch’s contacts (Figure 3.4) close if the temperature should
exceed approximately 140° C (284° F), initiating an engine shut-
down. Once the oil temperature drops to a safe level the switch’s
contacts open again.
Over Crank (Shutdown Alarm)
This occurs if the engine has not started within the specified crank
cycle. (See "Cranking" section.)
Figure 3. 4 – Low Oil Pressure and
High Temperature Switches
High Temp Switch
Low Oil Switch
Oil Filter
Over Speed (Shutdown Alarm)
3000 RPM for three (3) seconds or 3300 RPM immediately. This
feature protects the generator from damage by shutting it down
if it happens to run faster than the preset limit. This protection
also prevents the generator from supplying an output that could
potentially damage appliances connected to the generator circuit.
Contact the nearest Dealer if this failure occurs.
RPM Sense Loss (Shutdown Alarm)
During cranking, if the Control Board does not see a valid RPM
signal within three (3) seconds, it will shut down and lock out on
RPM sense loss. While engine is running, if RPM signal is lost for
one (1) second the Control Board will shut the engine down, wait
15 seconds, then re-crank the engine. If no RPM signal is detected
within the first three (3) seconds of cranking, the Control Board
will shut the engine down and latch out on RPM sensor loss. If the
RPM signal is detected, the engine will start and run normally. If
the RPM signal is subsequently lost again, the Control Board will
try one more re-crank attempt before latching out and displaying
the RPM sensor failure message.
Under-frequency (Shutdown Alarm)
After starting, if the generator stays under frequency for more than
30 seconds it will shut down. The under-frequency setting is 55
Hz.
Internal Fault (Shutdown Alarm)
This alarm cannot be cleared, call service dealer.
Undervoltage (Shutdown Alarm)
If the generator voltage falls below 85% of nominal for more than
15 seconds, it shuts down.
Overvoltage (Shutdown Alarm)
If the generator voltage rises above 110% of rating for greater than
three (3) seconds, an alarm will be issued and the unit will shut
down.
If the generator voltage rises above 130% of rating for greater than
0.5 seconds, an alarm will be issued and the unit will shut down.
Clear Alarm
Clear the alarm by setting the AUTO/OFF/MANUAL switch to the
OFF position. Press the ENTER key to unlatch any active fault and
clear the corresponding alarm message.
3.5.2 WARNINGS
Second Priority (Non-latching) Displayed on the control panel
and the external yellow LED (V-twins only). Warnings automati-
cally clear when the monitored condition goes away. Warnings are
recorded in the alarm log. Warnings cannot cause shutdowns.
Low Battery
The Control Board monitors battery voltage and displays a warn-
ing if the battery voltage falls below 11.9 volts for one (1) minute.
Warning is automatically cleared if the battery voltage rises above
12.4 volts. Battery voltage is not monitored during the crank
cycle.
3.5.3 MAINTENANCE ALERTS
Third priority
Maintenance Message
When a maintenance period expires, a warning message will
be displayed. The alert can be reset by pressing the Enter key,
which will cause the user to be prompted to confirm the action.
Resetting will clear the alert and reset the maintenance counters
for all conditions annunciated. The history log will record the alert.
The maintenance counter will not accumulate without battery
power. Once battery power is restored, the set time prompt will be
displayed. The maintenance counters will be adjusted to the new
time and date.
NOTE:
Since most maintenance alerts will occur at the same time
(most have 500 hour or two (2) year intervals), only one will
appear on the display at any one time. Once the first alert is
cleared, the next active alert will be displayed.
Operation