C.E. Niehoff & Co. N1387-1/EPM Troubleshooting Guides User Manual
Page 12
Page 12
TG0019A
(CONT’D)
Section 6: Troubleshooting the EPM
Batteries are connected
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Vehicle battery-connect button
is pressed.
3-Minute counter in EPM starts.
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Chart 7 – 28V Only – EPM Sequence of Operation
Flashing GREEN
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START-RUN Switch operated to start vehicle
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Batteries will stay connected as long as vehicle is running
or emergency flashers are on
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Normal operation
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Shut down vehicle
Flashing GREEN
3-Minute Delay
3-Minute Delay Ends and EPM disconnects batteries
AUX LEDs Steady GREEN
AUX Current available
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TTTTT
If emergency flashers are the
only load required, engine
does not need to be started to
keep batteries connected. After
flashers are switched on, EPM
will keep power to loads until
batteries are discharged.
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EPM and AUX Diagnostic LEDs OFF.
AUX Channels still available.
TTTTT
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3-Minute delay in EPM ends
TTTTT
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If you have questions about your alternator or any of these test procedures, or if you need to locate a Factory Authorized Service Distributor, please contact us at:
C. E. Niehoff & Co.• 2021 Lee Street • Evanston, IL 60202 USA
TEL: 800.643.4633 USA and Canada • TEL: 847.866.6030 outside USA and Canada • FAX: 847.492.1242