Agilent Technologies ENA Series Guía de usuario Pagina 619

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Appendix B 613
Troubleshooting
Troubleshooting
B. Troubleshooting
Troubleshooting during Operation
The Sweep Action Stops during Measurement or Is Not Executed.
The sweep action stops during measurement or is not executed, but the front keys and
softkeys are operational.
There is a possibility of a failure. Contact Agilent Technology’s Customer Contact listed at
the end of this guide or the company from which you bought the device.
The Error Message “Port N receiver overload” (N denotes a port number) is
Displayed.
During the measurement of an amplifier, Error Messages 221 through 224 “Port N
receiver overload” (N denotes a port number) on page 623 are displayed.
This error occurs when the input to a test port exceeds the maximum input level in the
measurement of an amplifier. The measurement value obtained in such a case is not
correct. In the worst case, a failure (damage to the receiver) may occur.
³ Change the measurement condition so that the input to the test port does not exceed
the maximum input level.
When this message is displayed with nothing connected to the test port, there is a
possibility of a failure of the instrument. Contact Agilent Technology’s Customer
Contact listed at the end of this guide or the company from which you bought the
device.
A Clearly Abnormal Measurement Value
The measurement value is not reproducible, or clearly abnormal.
³ Confirm that the DUT, connection cables, and other parts are connected correctly.
³ Confirm that the connectors and cables used to connect the DUT are free from
damage and poor contact.
³ Confirm that the calibration has been executed correctly. If you have not acquired a
correct error correction factor, you cannot obtain a correct measurement value.
³ Confirm that the calibration kit was selected correctly.
³ Confirm that the calibration kit is defined correctly.
³ Confirm that if the stimulus signal output is turned on.
When taking all these measures does not result in a correct measurement value, there is a
possibility of a failure. Contact Agilent Technology’s Customer Contact listed at the end of
this guide or the company from which you bought the device.
The System Cannot be Operated Manually (Front Panel Keys, Keyboard, Touch
Screen and Mouse)
The keyboard or mouse becomes inoperable.
³ Confirm that the keyboard or mouse is connected correctly. When it is connected
correctly, turn off the power once, and restart the system.
The front panel key or keyboard becomes inoperable.
³ Using the mouse, turn
SystemKey LockFront Panel & Keyboard Lock OFF.
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