RIGOL
Copyright ©1998-2008 RIGOL Technologies, Inc.
User’s Guide for DS1000CA Series
4-3
Troubleshooting
1. After the oscilloscopes is powered on, the screen remains dark (no
display), please inspect the instrument following these steps:
(1) Check the power cable connection.
(2) Ensure the power switch is turned on.
(3) After the above inspection, restart the oscilloscope.
(4) If the problem still remains, please contact RIGOL for help.
2. After the signal acquisition the waveform does not appear, please
check according to the following steps:
(1) Check the probes connected with the signals.
(2) Check the probes connected to the channels firmly.
(3) Check the probes connected with the object being tested.
(4) Check the circuit generates signal at the test point.
(5) Repeat the acquisition.
3. The measurement result is 10 times higher or lower than the value
expected.
Check if the probe attenuation is the same as the channel attenuation.
4. If the oscilloscope does not get a stable waveform display, please
check according to the following steps:
(1) Check the Trigger Source and notice if it is set to the channel in use.
(2) Check the Trigger Type. Use “Edge” for normal signals, and use “Video” for
VIDEO signals.
(3) Switch the coupling into HF Rejection or LF Rejection in order to filter the noise
which disturbs trigger.
5. After pressing the RUN/STOP button, the oscilloscope does not display
any waveform on screen.
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