
TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01
B-13
Monday
, November 26, 2001 1:09 pm
Application and Troubleshooting Problems and Solutions
Table B.1 lists some additional problems and associated solutions.
Table B.1 Application and Troubleshooting Problems and Solutions
Problem Indication
Solutions
Unrecognizable data displayed on the
screen or plotted
Check:
• Mounting of Motion Transducer
• Line frequency settings
• Connections to the breaker contacts or
control circuits
Instrument dropped or physically damaged
Return to Doble for repair
Spilled liquid penetrates the Instrument
case
Return to Doble for repair
A test is run, breaker functions properly, but
no Main Contact data is collected, or data
for a contacts is missing
Run Continuity Test (”Running the Continuity Test”
on page 4-71)
Breaker does not operate
A test is run but the breaker does not
respond
Check the:
• Width setting of the command signal
pulse. If the command pulse is too short,
the breaker may not respond.
• Control cable. Verify cable configuration
requirements for the test.
• Condition of the Trip/Close fuses using an
Ohmmeter (refer to ”Connecting the
TDR9000™ Physical Front Panel”
on page 4-30). Only 3 A, 250 V, Slo-Blo
types should be used.
• Refer to ”Trip/Close Function Test”
Содержание TDR9000
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