SCREWDRIVER GP 1627804 - Caterpillar

Table 1
Warning Operation
Warning Level Action Alarm Action Indicator Messenger Display Pop Up Message
Level 1 OFF OFF ON
Level 2 OFF Flash ON and OFF ON
Level 3 Pulse ON and OFF Flash ON and OFF ON Recommended actions to be taken by the machine operator in response to the different warning levels.Level 1 - This warning level will cause the involved alert indicator to illuminate. A level 1 warning will indicate that the operator should be aware of a condition of one or more of the machine systems.Level 2 - This warning level will indicate that the operation of the machine should be changed or maintenance should be performed to the machine. Possible damage to components on the machine may occur.Level 3 - This warning level will indicate that the machine needs to have an immediate, safe emergency engine shutdown. Possible injury to the operator or severe damage to components may occur.If an action alarm, alert indicator, or a warning occurs, a pop-up message will override any screen that was displayed on the Messenger display module.
Table 2
Event Codes for the Messenger
EID Warning
Level Description Messenger Action
861 1 Clock Adjust Required Use CAT® Electronic Technician (CAT ET) Service Tool to align the clock manually with the other control modules.
875 2 Low System Voltage Shut down Safely.
876 1 High System Voltage Active when input voltage is 29.5 V or higher AND Actual Engine Speed is greater than 750 rpm.
876 3 High System Voltage Shut down Safely.