C.E. Niehoff & Co. N1224 Standard Troubleshooting Guides User Manual
Page 8

Page 8
TG0045A
Section 5: 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 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
After power up, measure voltage on alternator 14 V output terminal. Is this voltage greater than 5 V?
Yes
No
Chart 5 – Auto Select of Operating Mode (N3232 Only)
Alternator will operate in dual voltage mode
with 200 A output limit on 28 V and 140 A out-
put limit on 14 V to a combined total of 200A.
T
T
Both diagnostic LEDs will flash per Table 1.
Alternator will operate in single voltage mode
with 200 A output limit on 28 V. No 14 V out-
put.
T
T
Only 28 V diagnostic LED will flash per Table 1.