RIGOL Chapter 4 Troubleshooting&Message
User’s Guide for DSA800/E Series
Troubleshooting
The commonly encountered failures and their solutions are listed below. When you
encounter those problems, please solve them following the corresponding steps. If
the problem remains still, please contact RIGOL and provide your device
information (System Information System Info).
1． The screen is still dark (no display) after power on:
(1) Check whether the fan is running:
— If yes, the connection of the internal screen cable may be loose.
— If not, the instrument has failed to start up and please refer to step (2).
(2) Check the power:
— Check whether the power supply has been connected correctly and the
power switch has been turned on.
— Check whether the power fuse is burned. If a new fuse needs to be
installed, please use a specified fuse ( 250V AC, T2A; 5 mm×20 mm).
2. The key 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 a key is not working, the numeric keyboard connection might be loose or
the numeric keyboard is broken. Do not disassemble the instrument by
yourself and contact RIGOL.
3. The spectrum lines on the screen do not update for a long period of
time:
(1) Check whether the screen is locked; if so, press Esc to unlock it.
(2) Verify whether all the trigger conditions have been met and whether there
is a valid trigger signal.
(3) Check whether the analyzer is in single sweep.
(4) Check whether the current sweep time is too long.
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