PIN-PUMP GUIDE 4P8480 - Caterpillar

Use this procedure in order to troubleshoot an engine overspeed or use this procedure if one of the following event codes is active. Refer to Troubleshooting, "Event Code List" for information about event codes and the default trip points for these codes. You must access the monitoring system on Caterpillar Electronic Technician (ET) in order to view the current trip points for these codes.
Table 1
Event Code
Code and Description Conditions which Generate this Code System Response
E362(1) Engine Overspeed The engine rpm has exceeded the trip point for engine overspeed for the delay time. The code is logged.
The Electronic Control Module (ECM) will disable fuel injection for engine speeds that are above the trip point.
E362(3) Engine Overspeed The code is logged.
The ECM will shut down the engine. Power to the ECM must be cycled or the event reset switch must be toggled prior to restarting the engine. Probable Causes
Intake air is combustible.
Sudden drop of loadRecommended Actions
Intake Air is Combustible
Check for hydrocarbons in the surrounding atmosphere. Do not operate the engine in an environment with hydrocarbons in the surrounding atmosphere.Sudden Drop of Load
Decrease the load on the engine gradually.