Ce-niehoff-co EPM Troubleshooting Guides Manuel d'utilisateur télécharger pdf (Page 5)

Page 5

TG0051A

Section D: Troubleshooting the EPM

Function

TABLE 4 – EPM Harness Plug

Socket Functions

Battery Ground

Alternator Phase Signal

Energize (Active Low) Signal

Ignition Signal

Figure 5 – EPM System Schematic

EPM Electric Power Manager

DESCRIPTION AND OPERATION

Main diagnostic feature of the EPM is a green LED

located on the top of the device. The EPM connects and

disconnects batteries based on operational requirements.

EPM also allows batteryless operation until vehicle is

shut off.

Figure 4 – EPM Electric Power Manager

J1939

Connector

Under Cap

(see p. 3 for

details)

EPM LED

EPM

Connector

AUX

Circuits

Connector

Aux. Load

Diagnostic

LEDs

EPM LED COLOR EPM STATUS

TABLE 3 – EPM LED Diagnostics

EPM is not energized or EPM is

defective.

Off (Clear)

Flashing GREEN

Steady GREEN

Batteries connected for 3 minutes

for engine starting after battery

connect switch pressed.

Normal operation (batteries are

connected to the system and

engine is running)

Function

(Max. 30 A)

TABLE 5 – AUX Circuit and LED Functions

14 V

28 V

EPM

LED Color

Normally On

If LED

OFF:

GREEN

A short or overcurrent

may have occurred.

Check AUX load wiring

and reset EPM by

pressing battery

connect switch

BATTERY CONNECT SWITCH

1 2 3 4 5 6 7

Commentaires sur ces manuels

Pas de commentaire

Ce-niehoff-co EPM Troubleshooting Guides Manuel d'utilisateur Page 5

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Ce-niehoff-co EPM Troubleshooting Guides