Ce-niehoff-co N1607/N1611/N3215B/N2013 Troubleshooting Guides Manual de usuario descargar pdf (Pagina 6)

Page 6

TG56B

Section C: Advanced Troubleshooting (CONT’D)

If you have questions about your alternator or any of these test procedures, or if you need to locate a Factory Authorized Service Dealer, 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

E-mail us at service@CENiehoff.com

Chart 1 – No Power to System #1 or #2 with Engine Running

Before Troubleshooting, Check Batteries for Proper Charge Voltage. See Page 1.

Yes No

Go to page 4 to troubleshoot

alternator and regulator.

Disconnect battery master switches.

Check for 0.1 V diode voltage drop between System 1 terminal on isolator and alternator terminal

on isolator. Then check for 0.1 V diode voltage drop between System 2 terminal on isolator and

alternator terminal on isolator.

Does the voltage drop exist at each set of tests?



Battery isolator

is defective.

Figure 8 – N2013 Battery Isolator

Ground bolt

Alternator connection

System #1 connection

System #2 connection

1 2 3 4 5 6

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