Figure 4-11. Alarms Screen, Hi Cool-Low Fuel-Low Oil Tab
Hi Cool Temperature Alarm - Alarm Enable. This setting enables and disables annunciation of a high
coolant temperature alarm and engine shutdown. A 60 second activation delay prevents a Hi Coolant
Temperature Alarm from occurring at engine startup.
Hi Cool Temperature Alarm - Threshold (Deg F). This setting selects the coolant temperature that will
trigger a high coolant temperature alarm. A threshold setting of 100 to 280 degrees Fahrenheit or 38 to
138 degrees Celsius may be entered. A 60 second activation delay prevents a Hi Coolant Temperature
Alarm from occurring at engine startup.
Hi Cool Temperature Alarm - Arming Delay (Sec). This read-only setting displays the time delay between
when high coolant temperature is detected and an alarm is annunciated and the engine is shut down. The
arming delay is fixed at 60 seconds.
Low Oil Pressure Alarm - Alarm Enable. This setting enables and disables annunciation of a low oil
pressure alarm and engine shutdown. A 10 second activation time delay prevents low oil pressure
annunciation during engine startup.
Low Oil Pressure Alarm - Threshold (PSI). This setting selects the oil pressure level that will trigger a low
oil pressure alarm and engine shutdown. A threshold of 3 to 150 psi or 20 to 1,035 kPa may be entered.
A 10 second activation time delay prevents low oil pressure annunciation during engine startup.
Low Oil Pressure Alarm - Arming Delay (Sec). This setting is used to disable the low oil pressure alarm
function for a user-adjustable time during engine startup. An arming delay of 5 to 15 seconds may be
entered.
Low Fuel Level Alarm - Alarm Enable. This setting enables and disables alarm annunciation and engine
shutdown for a low fuel level.
Low Fuel Level Alarm - Threshold (% Full Tank). This setting selects the fuel level that will trigger a low
fuel level alarm. A threshold of zero to 100 percent may be entered.
Overspeed-Sender Fail Tab
The Overspeed-Sender Fail Tab settings are shown in Figure 4-12. Each tab setting is described in the
following paragraphs.
Overspeed Alarm - Alarm Enable. This setting enables and disables alarm annunciation and engine
shutdown for an overspeed condition.
4-8 DGC-500 BESTCOMS Software 9355400990 Rev H
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