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| Illustration 1 | g02516498 |
View of a Machine With VIMS (1) Action lamp. (2) Message center module. (3) Alert indicator. (4) Universal gauge. (5) Dash data link connector. (6) Message area. | |
The Caterpillar Monitoring System provides three warning categories. A Warning Category 1 requires only operator awareness. When a Warning Category 1 occurs, the Caterpillar Monitoring System causes an alert indicator to turn on.
A Warning Category 2 needs operator response. When a Warning Category 2 occurs, the Caterpillar Monitoring System causes one or more indicators to turn on. A Warning Category 2 also causes master action lamp (1) to flash.
Note: Do NOT operate the machine until the cause of the warning has been corrected.
A Warning Category 3 requires immediate shutdown of the machine systems. When a Warning Category 3 occurs, the Caterpillar Monitoring System causes one or more alert indicators to turn on. The Caterpillar Monitoring System also causes master action lamp (1) to flash. A message also appears in message area (6) . In some cases, universal gauge (4) may show a relative value. The action alarm also sounds.
When a Warning Category 3 occurs during machine operation, stop the machine immediately and engage the parking brake. Stop the engine. Investigate the cause of the warning before you return the machine to service.
Warning Category 3 occurs when there is a loss of primary steering oil pressure in the steering system. This occurs if the machine is equipped with the optional secondary steering attachment. Warning Category 3 will activate the alert indicator (3) for secondary steering. The Caterpillar Monitoring System also causes master action lamp (1) to flash. The action alarm also sounds.
If the machine is equipped with the optional secondary steering attachment, immediately steer the machine to a stop when the Caterpillar Monitoring System indicates a Warning Category 3. Stop the engine and investigate the cause of the fault.
Note: Do NOT operate the machine until the cause of the warning is found.
Note: When the engine start switch is turned to the ON position, secondary steering warning indicator activates for three seconds. This occurs only if the machine is equipped with the optional secondary steering attachment. After three seconds, the alert indicator for secondary steering will shut off. Investigate the cause of the fault if the alert indicator for secondary steering does not activate. Do not operate the machine until the fault has been corrected.
ReferenceFor additional information on the Caterpillar Monitoring System, refer to Service Manual, SENR1394, "Caterpillar Monitoring System".