
TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01
B-17
Monday
, November 26, 2001 1:09 pm
Figure B.13 D8 and D14 LEDs
• With the exception of D8 and D14, if any LED shown in
Figure B.11 on page B-15 is Off or Red after the startup sequence,
that circuit board has experienced a startup problem.
• After the startup sequence, the communications loopback LED
should illuminate. This LED is viewed by looking through the
handle/vent opening (nearest the System module) on an angle
from the back of the Instrument to the front. There are three LEDs
visible. The loopback LED is on the bottom. If the LED:
• Illuminates after instrument startup completes, serial commu-
nications are working up to the front panel connector.
• Does not illuminate, check the CPU, the internal W6 ribbon
cable, and the System module communications circuits.
D8 and
D14 LEDs
Live AC
on Leads
Содержание TDR9000
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Страница 50: ...Step 5 Saving Test Results 1 24 72A 1898 Rev A 11 01 Monday November 26 2001 1 09 pm...
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Страница 200: ...Disconnecting After the Test 4 102 72A 1898 Rev A 11 01 Monday November 26 2001 1 09 pm...
Страница 362: ...B 34 72A 1898 Rev A 11 01 Monday November 26 2001 1 09 pm...
Страница 388: ...D 6 72A 1898 Rev A 11 01 Monday November 26 2001 1 09 pm...
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