320 GX and 323 GX Excavators Monitoring System Prestart Monitoring Function Caterpillar


Prestart Monitoring Function
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1.1. Operator Login
2.1. Engine Start

Note: Avoid touching the screen with your fingernails or sharp objects.



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Startup sequence screens

The display will start up automatically after turning the battery disconnect switch to the ON position. While the display is powering up, watch the start-up sequence of the system to make sure that the display is operating correctly.

Operator Login



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Passcode prompt screen

After turning the engine start ring to the ON position, the Passcode prompt screen will appear.

Enter a registered passcode on the display or use the right-side switch panel when the passcode dialog screen appears, and select ENTER to confirm passcode. If a passcode is not available, you will be able to bypass and log in as a guest. In guest mode some menu features will not be available such as the options for saving configurations and operator management.

Engine Start



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After an operator logs in to the system successfully, a message will appear on the in-cab display over the operator information screen. The message informs the user that the machine engine can be started.

Information System:

Coolant May Leak from Cylinder Head at Various Cup Plug on Certain Off-Highway Truck Engines {1100, 1101}
320 Excavator Machine Systems Stick Cylinder Lines
Improved Air Filter Elements Are Now Used for Certain Caterpillar Machine Engines {105B}
XGC1900 Generator Sets Safety Messages
An Improved Bearing Grease Packing Procedure for Fan Drive Group is Now Used on Certain Generator Set Engines {1359}
320GX Hydraulic Excavator Engine Supplement Battery - Remove and Install
320, 320 GC, 323 and 323 GC Excavator Machine Systems Specifications Front Lines
Updated Hydraulic Oil Lines Group Is Now Used on Certain 140 Motor Graders {5057}
An Improved Travel Motor Group Is Now Used on Certain 390D and 390F Excavators {4351, 5058}
320 GX and 323 GX Excavators Monitoring System General Information
A New Centrifugal Oil Filter (COF) Cover Torque Is Now Used on Certain 3500, 3600, C280, G3500, and G3600 Engines {1328}
New Software Is Now Used for Certain Caterpillar Engines Using the Caterpillar A4E4 Electronic Control Module (ECM) {1920}
320 GX and 323 GX Excavators Monitoring System Warning Operation
320 GX and 323 GX Excavators Monitoring System Menu Outline
320 GX and 323 GX Excavators Monitoring System Feature Menu - Function List
Unable to Clear Bench Mark or Heading Sensor on Certain Excavators {7490}
XGC1900 Generator Sets Emergency Stopping
Transmission Planet Carrier Is Improved on Certain 797, 797B, and 797F Off-Highway Trucks {3030, 3160}
C32 Locomotive Engine Engine Operation - Hydrocarbon Mitigation
Hexavalent Chromium Has Been Detected in Cat Engines {0353, 0680, 1059}
Hexavalent Chromium Has Been Detected in Cat Machine Engines {0353, 0680, 1059}
320GX Hydraulic Excavator Engine Supplement Alternator - Remove and Install
Improved Fan Drive Mounting Is Now Used on Certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks {1359}
A New Command for Excavation Kit Is Now Available for Certain Excavators {7008}