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PERKINS 1204F Troubleshooting

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General Information

PERKINS 1204F Troubleshooting

Important Safety Information

Do not perform any procedures in this Troubleshooting Guide until you have read the Operation and Maintenance Manual and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. Also, the following procedures must be observed.

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.

A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.

Safety precautions and warnings are provided in this publication and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Perkins cannot anticipate every possible circumstance that might involve a potential hazard.

Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive.

Overview

These engines are equipped with an electronic control system. The system consists of a computer, sensors, and software. The system performs these functions:

  • Control of the engine
  • Control of the Selective Catalyst Reduction (SCR)system
  • Control of particulate emissions via the Clean Emission Module (CEM)
  • Applications control system interface
  • Fault detection and reporting

Electronic Control System

The Electronic Control Module (ECM) is a computer that controls the operation of the engine.

The ECM contains a flash file. The flash file is the software for the ECM. The flash file contains the operating maps. The operating maps define the following characteristics of the engine:

  • Horsepower
  • Torque curves
  • Engine speed (rpm)

Refer to Troubleshooting, “System Overview” for additional information on the electronic control system.

Application Interface

The ECM interfaces with the machine via software and an electrical connector on the ECM. The software can be configured.

The application control system provides inputs to the electrical connector on the ECM to indicate the status of switches. Correctly configure the ECM to interpret the inputs.

The ECM provides outputs for the application control system via the electrical connector to control lamps, solenoids, and other devices. Correctly configure the ECM in order for the outputs to match the configuration of the application control system.

Clean Emissions Module (CEM)

The CEM contains these components:

Diesel Particulate Filter (DPF) (if equipped) – A DPF may be installed in the exhaust system. The DPF collects soot and ash from the engine exhaust.

Diesel Oxidation Catalyst (DOC) – A DOC is installed in the exhaust system. The DOC oxidizes hydrocarbons (HC), carbon monoxide (CO), odor causing compounds, and soluble organic fractions (SOF).

Selective Catalyst Reduction (SCR) System – The SCR system is used to reduce NOx emissions from the engine. The SCR system is installed after the CEM in the exhaust.

Software – Software in the ECM monitors the DPF (if equipped). The software also controls the amount of Diesel Exhaust Fluid (DEF) being injected into the exhaust stream.

PERKINS 1204F Troubleshooting

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