MSS3s Machine Security System Caterpillar

Operation of Status Indicator

Usage:

120G 11W

The Machine Security System uses a status indicator that is mounted in the cab near the key start switch. The status indicator provides a visible alert of the presence of the security system. When the MSS is armed and the "key start switch" is first turned to ON or START, the status indicator momentarily displays a red light. This light provides a warning that the machine is armed with a security system.

Status Indicator

Show/hide table




Illustration 1	g01002949
Typical installation of the Status Indicator (1) Status Indicator (2) Keyswitch with Exciter Coil

The state of the MSS is displayed by the status indicator in accordance with Table 1. The operator can use the status indicator to determine the status of the system or for troubleshooting.

Show/hide table

Table 1
Status Indicator	Description
Continuously Red	The MSS is armed.⁽¹⁾
Continuously Green	The MSS is disarmed. The green LED will remain ON 30 seconds after powerdown. After the 30 seconds have passed, the MSS automatically returns to the "armed" mode.
Continuously Orange⁽²⁾	The red LED and the green LED of the status indicator are tested momentarily by the MSS3s ECM at powerup.The status indicator will remain on if No "application" software is detected in the electronic control module (ECM).

Show/hide table

⁽¹⁾	The red LED will remain ON while the key is in the ON position or until a valid key is read. The red LED will turn OFF approximately 3 seconds after the key is turned to the OFF position.
⁽²⁾	The red LED and the green LED are continuously ON.