Ce-niehoff-co LBCD Static/Dynamic Troubleshooting Guides Manuel d'utilisateur télécharger pdf

TG53B

Page 1 of 2

LBCD Static and Dynamic Tests

Testing Procedures

LBCD Static Tests

(Dynamic Tests on Page 2)

Before testing unit:

Remove all cables from top terminals and control har-

ness from side of unit.

TABLE 1 Pin-to-Pin Tests (See Figures 1 and 2)

METER (+) LEAD

CONNECTION

EXPECTED READING

Diode Test

Ohms Ω

METER (–) LEAD

CONNECTION

TESTED CIRCUIT

24 V LOAD terminal

24 V BATTERY terminal

12 V LOAD terminal

12 V BATTERY terminal

Socket A*

Socket B*

Socket A*

24 V BATTERY terminal

24 V LOAD terminal

12 V BATTERY terminal

12 V LOAD terminal

Socket B*

Socket A*

Socket C*

Socket D*

Socket E*

24 V battery circuit

12 V battery circuit

internal circuit

OL (blocking)

.3-.7 V (ow)

OL (blocking)

.3-.7 V (ow)

OL (blocking)

>25 K ohms

300-350 ohms

>25 K ohms

Control harness

receptacle

12 V Battery



24 V Load



12 V Load



24 V Battery



Figure 1 – N2003 Load & Battery Control Device Figure 2 – N2003 Control Harness Receptacle

* Socket in LBCD control harness receptacle

Static tests may not diagnose all

LBCD failures. Dynamic testing

should also be performed. See

Page 2.

NOTICE

Function

TABLE 2 – N2003 Harness Plug

Pin Functions

Battery Ground

Chg. System Indicator Ground Signal

Battery Disconnect Ground Signal

AC In from Regulator AC Terminal

Battery Voltage Sense/Trickle Charge

METER SCALE

& SYMBOL

1 2

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Page 1 - LBCD Static Tests

TG53BPage 1 of 2LBCD Static and Dynamic TestsTesting ProceduresLBCD Static Tests (Dynamic Tests on Page 2)Before testing unit:Remove all cables from t

Page 2 - LBCD DYNAMIC Tests

TG53BPage 2 of 2C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Servi

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Ce-niehoff-co LBCD Static/Dynamic Troubleshooting Guides Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Matériel Ce-niehoff-co LBCD Static/Dynamic Troubleshooting Guides. C.E. Niehoff & Co. LBCD Static/Dynamic Troubleshooting Guides User Manual Manuel d'utilisatio

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