EP250 Panel Operation and Troubleshooting
463-3000-01 Rev D. 23-Sep-2013
3
Introduction
This document provides general information on LOFA™ EP250 panel operation and
troubleshooting. EP250 control panels are a flexible platform for diesel engine control, monitoring,
and protection, featuring LOFA’s powerful First Fault Diagnostics (FFD). After pinpointing the initial
failure, FFD stores it in memory and alerts the end user via a single bright LED. FFD monitors battery
charge, low oil pressure, high temperature, over speed and up to three additional contact
closure inputs. The field configurable, expandable microprocessor-based solid-state design uses
high-power semiconductors instead of outdated electromechanical relays to ensure reliable
high-current switching.
Some of the EP250 configurable features include:
Automatic preheat duration
Afterglow duration
Failure indication with shutdown or indication only
Over-speed shutdown
Normally open or normally closed shutdown switches
The EP250 features LOFA’s new modular Function Enhancement Packs (FEP). The plug-and-play
FEP modules allow various feature upgrades to be easily added to the standard platform. FEPs
include:
Automatic Start/Stop Operation
Precision Actuator Control
Custom OEM Solutions
All standard panels include feature a 12 inch wiring harness terminating into a sealed weather
proof plug. This robust universal wiring connection performs well in harsh environments and allows
interchanging a number of different panels and harnesses. This design allows for simplified
installation as well as a flexible means to incorporate custom plug-and-play engine wiring
harnesses and standard harness extension
Note
The engine harness is not included with the panel.
A number of standard engine harnesses are available or
LOFA can develop a custom harness for you exact needs.
Generic harnesses in various lengths are available for field customization.
Warning!
When replacement parts are required, LOFA Industries recommends using
replacement parts supplied by LOFA or parts with equivalent specifications.
Failure to heed this warning can lead to premature failure,
product damage, personal injury or death.
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