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User Manual 225
10.2 Troubleshooting
Before calling SIGLENT , or returning an analyzer for service, perform the quick checks listed
below. This check may eliminate the problem.
If the problem remains still, please contact SIGLENT and provide your device information in the
back of the analyzer.
1
The Power Switch is still dark after power on:
(1)
Check that the power is correct / working.
(2)
Check the power cord has been connected correctly
(3)
Check the power fuse. If a new fuse needs to be installed, please use a specified fuse.
2
The analyzer’s screen is still dark (no display) after power on:
(1)
Check whether the fan is running while the screen is dark, maybe the LCD cable is
loose?
(2)
Check whether the fan is not running while screen is dark, maybe it has failed to start up?
Do not disassemble the instrument by yourself and contact SIGLENT .
3
The control panel is unresponsive or gives a wrong response:
(1)
Press all the keys at the front panel to check if all of them are normal after power on.
(2)
Press System > Self Test > Key Test to check if all the keys are working
properly.
(3)
If all the keys are not working, the numeric keyboard connection might be loose or the
numeric keyboard is broken.
(4)
If the touch screen is not working, check if the Touch is ON in Display > Touch
Settings menu.
(5)
Check whether the analyzer is locked in a remote control; if so, press Esc to unlock it.
Do not disassemble the instrument by yourself and contact SIGLENT .
4
The traces on the screen do not update for a long period of time:
(1)
Check whether the traces are in View or other status; if so, change to Clear&Write to
activiate it.
(2)
Verify whether all the trigger conditions have been met and whether there is a valid
trigger signal inputting.
(3)
Check whether the analyzer is in a Limit test.
(4)
Check whether the analyzer is in a single sweep.
(5)
Check whether the current sweep time is too long.