TOOL GROUP 5M7664 - Caterpillar

Table 1
Event Code
Description Conditions which Activate the Code System Response
E683(1) High Engine Oil Pressure The engine oil pressure has exceeded the trip point for the programmed delay time. The code is logged.
The alarm output is activated.
E683(3) High Engine Oil Pressure The code is logged.
The shutdown output is activated.
The engine is shut down. Probable Causes
Blocked oil passage or restricted oil line
Faulty oil pressure relief valveRecommended Actions
Blocked Oil Passage or Restricted Oil Line
Use various pressure taps in order to determine if an oil passage or oil line is restricted. Perform any necessary repairs. Refer to Systems Operation/Testing and Adjusting, "Measuring Engine Oil Pressure" for details.Faulty Oil Pressure Relief Valve
Inspect the oil pressure relief valve. Perform any necessary repairs.