BOLT 3B2968 - Caterpillar

Illustration 1 g06066142
(1) Alarms
(2) Soft buttons
(3) Filters
(4) ReturnThe alarm list shows all active and/or unacknowledged alarms. Descriptive text, numbers, symbols, and color codes are used to describe each alarm. Select an alarm to expand the entry for more information.Silencing the Buzzer
Pressing the "Alarm List" button to display the alarm list also silences the buzzer. The Alarm List button is the bell on the right side of the DCU, next to the touchscreen. The buzzer will begin again if a new alarm occurs while the alarm list is displayed. Press the "Alarm List" button to silence the alarm and stay in the alarm list.Display
Numbers
A number is displayed along with the alarm. The significance of these numbers is outlined by the following:Zero (0) - ShutdownOne (1) - Derate or alarmTwo (2) - WarningThree (3) - Diagnostic (includes J1939 DM1 messages regardless of the FMI)Color Codes
Illustration 2 g06033998Each alarm is highlighted in a specific color. The color represents the type of alarm . Refer to Illustration 2.Acknowledging Alarms
To acknowledge a single alarm, select the desired alarm in the list and press the "Acknowledge" button once.Filters
The filters help with focused diagnostics. The following are the available filters:Panel Alarms - Only show alarms generated by panels such as DCU, SDU, and RIO.J1939 Diag. - Displays only DM1 alarms from the two J1939 buses.All Alarms - All alarms are shown.Silence All Alarms (Excluding SDU Alarms)
Press and hold the Acknowledge button for one second. The DCU may be configured to acknowledge visible events only. If so, the notification seen in Illustration 3 will be shown.
Illustration 3 g06033698Silence SDU Alarms
Illustration 4 g06033706To silence either a single shutdown or all shutdown even alarms at once, press and hold the "Acknowledge" button for one second. The notification in Illustration 4 will be shown. The "Acknowledge" button must be pressed again to silence the alarms.