FW MURPHY EMS-98150N EMS Engine Monitoring System User Guide
- June 13, 2024
- FW MURPHY
Table of Contents
FW MURPHY EMS-98150N EMS Engine Monitoring System User Guide
DO THIS FIRST: Read and follow all installation instructions. Verify that
all wiring is intact and connections are tight, look for broken wiring. Verify
that the EMS has not been damaged (hit/dropped). Verify that the alarm or
shutdown devices are fully operable and check other components such as spark
plugs, ignition, fuel pump, filter, motor starters, auxiliary equipment, and
all sensors and switches for proper operation and good working condition. Do
NOT run sensor wires (senders, transducers, switches) in conduit with any
other wire. Do NOT apply improper (AC) voltage to any controller input
terminals. Do NOT bundle sensor wires with any other wiring. The EMS
controller has built in diagnostics to help the operator get the equipment “on
line”. These are explained in the `Operation instructions” furnished with the
EMS controller. The EMS also has two lines on the display called the
“SELECTOR” and the “ST”. The “SELECTOR” line tells the operator what position
the “Test-Off-Auto” selector switch is in. The “ST” (state) line tells the
operator what part of the control sequence the controller is performing. These
lines can be very helpful when experiencing start up problems, and are also
explained in the “Installation and Operation Instructions”.
Below are the most common problems that occur after the EMS controller is
installed. If your experiencing a symptom not listed, or the “Probable Cause”
did not help, please contact any of the Murphy Locations listed on the back
page.
⚠ CAUTION: Before Arc Welding on equipment where the EMS is mounted do the following:
Before Welding:
- Disconnect external battery power from the EMS controller.
- EMS448: Unplug one end of the 25-pin ribbon cable between the 448 and 449 circuit boards. This is done by removing two screws at one end of the ribbon cable and gently pulling the ribbon cable out of the board mounted socket. EMS447 / EMS547: Unplug the 25-pin ribbon cable from the back of the case. This is done by removing the two screws and gently pulling the ribbon cable out of the board mounting socket.
After Welding:
- Reconnect the 25-pin ribbon cable and secure with the two screws.
- Reconnect external battery power to the EMS controller.
In order to consistently bring you the highest quality, full-featured
products, we reserve the right to change our specifications and designs at any
time.
FW MURPHY product names and the FW MURPHY logo are proprietary trademarks.
This document, including textual matter and illustrations, is copyright
protected with all rights reserved . (c) 2018 FW MURPHY. A copy of our typical
warranty may be viewed or printed by going to
www.fwmurphy.com/warranty.
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