Keysight E4990A - Programming; Remote Control

Product Information
231
The measurement screen appears after
startup, but the date and time displayed
on the instrument status bar in the lower
right part of the screen differ greatly from
the previous settings.
Execute the system
recovery.
The measurement screen appears after
startup, but the power-on test fails, with
Error Message 241 appearing against the
red background in the instrument
message/warning area in the lower left
part of the screen.
Execute the system
recovery.
Troubleshooting during Operation
Symptom Solution
A clearly abnormal
measurement value
The measurement value is not
reproducible, or clearly
abnormal.
• Confirm that the DUT,
connection cables, and other
parts are connected correctly.
• Confirm that the connectors
and cables used to connect
the DUT are free from damage
and poor contact.
• 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.
• Confirm that the calibration kit
is selected correctly.
• Confirm that the calibration kit
is defined correctly.
• Confirm that if the stimulus
signal output is turned ON.
The system cannot operate
manually (Front Panel Keys,
Keyboard, Touch Screen and
Mouse)
The keyboard or mouse
• Confirm that the keyboard or
mouse is connected correctly.
When it is connected
correctly, turn OFF the power
once, and restart the system.