Agilent Technologies 83491 Benutzerhandbuch
4-3
Reference
In Case of Difficulty
In Case of Difficulty
This section provides a list of suggestions for you to follow if the plug-in mod-
ule fails to operate. A list of messages that may be displayed is also included in
this chapter. Before calling Agilent Technologies or returning the unit for ser-
vice, a few minutes spent performing some simple checks may save waiting for
your instrument to be repaired.
ule fails to operate. A list of messages that may be displayed is also included in
this chapter. Before calling Agilent Technologies or returning the unit for ser-
vice, a few minutes spent performing some simple checks may save waiting for
your instrument to be repaired.
If the mainframe does not operate
❒ Is the line fuse good?
❒ Does the line socket have power?
❒ Is the unit plugged in to the proper ac power source?
❒ Is the mainframe turned on?
❒ Is the rear-panel line switch set to on?
❒ Will the mainframe power up without the plug-in module installed?
❒ Does the line socket have power?
❒ Is the unit plugged in to the proper ac power source?
❒ Is the mainframe turned on?
❒ Is the rear-panel line switch set to on?
❒ Will the mainframe power up without the plug-in module installed?
If the mainframe still does not power up, refer to the optional
Agilent 83480A, Agilent 54750A Service Guide or return the mainframe to a
qualified service department.
Agilent 83480A, Agilent 54750A Service Guide or return the mainframe to a
qualified service department.
If the plug-in does not operate
❒ Is the plug-in module firmly seated in the mainframe slot?
❒ Are the knurled screws at the bottom of the plug-in module finger-tight?
❒ Is the clock recovery module set to the modulation rate of the input signal?
❒ If other equipment, cables, and connectors are being used with the plug-in
❒ Are the knurled screws at the bottom of the plug-in module finger-tight?
❒ Is the clock recovery module set to the modulation rate of the input signal?
❒ If other equipment, cables, and connectors are being used with the plug-in
module, are they connected properly and operating correctly?
❒ Review the procedure for the test being performed when the problem ap-