HOSE AS 5327385 - Caterpillar

Table 1
Events that are logged by the Machine Security System    
Event Identifier    Description    
E273     "Machine operation attempted using an invalid key"    
E274     "Security override used"    
E252     "Loss of Key Table Information"    Logged Events
Illustration 1 g01097063
"Logged Event Codes" screen from the Caterpillar Electronic Technician for the Machine Security SystemLogged events provide a secure list of events that are critical to the security of the machine. The ECM for the MSS is used to store information about events. When an event is detected, the following information is logged:
EID for the event
Number of occurrences
Time of the first occurrence of the event
Time of the last occurrence of the eventNote: The ECM will record a maximum of 127 occurrences of the events. The newest event replaces the oldest event after 127 events have been stored in the memory of the ECM.