User guide

The Serial BERT will be shut down, your instrument settings will not be saved.
If the Serial BERT has indicated overheating, do the following:
• Shut down the instrument and let it cool (45minutes to 1hour).
• Reduce the environmental temperature.
• Make sure that the fans are running and the ventilation holes are not blocked.
• If the problem continuously recurs, contact Agilent support.
C A U T I O N
Do not operate the Serial BERT before it has cooled down again. Otherwise your
instrument may get damaged.
When you are switching on the Serial BERT after it was shut down due to a
temperature error, you will see a message box that informs you about which module
caused the problem.
Solving Problems 9
Agilent J-BERT N4903B High-Performance Serial BERT 479
Troubleshooting Overheating