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Chapter 22 Troubleshooting
Chapter 22 Troubleshooting
The commonly encountered failures of the oscilloscope and their solutions are listed
below. If the following problems occur, locate and resolve the problems according to
the following steps. If the problems still persist, contact RIGOL and provide your
instrument information to us.
1. When I power on the instrument, the instrument stays black and does
not display anything.
(1) Check whether the power switch is really on.
(2) Check whether the power is correctly connected.
(3) Check whether the fuse is blown. If the fuse needs to be replaced, please
use the specified fuse.
(4) Restart the instrument after completing the above inspections.
(5) If the problem still persists, contact RIGOL.
2. No waveform of the signal is displayed on the screen.
(1) Check whether the probe is properly connected to the item under test.
(2) Check whether there are signals generated from the item to be tested (you
can connect the probe compensation output signal to the faulty channel to
locate the problem, and then determine whether the channel or the item to
be tested has a problem).
(3) Resample the signal.
3. The display of waveform is ladder-like.
(1) The horizontal time base might be too low. Increase the horizontal time
base to improve the display effects.
(2) If the display type is "Vector", the lines between the sample points may
cause ladder-like display results. Press Display → Type to select "Dots".
4. The USB storage device cannot be recognized.
(1) Check whether the USB storage device can work normally.
(2) Make sure the USB storage device used is FAT32-format Flash storage type,
as this instrument does not support hardware storage type.
(3) Check whether the capacity of the USB storage device is too large. It is
recommended that the capacity of the USB storage device should not
exceed 8 GB for this oscilloscope.
(4) Restart the instrument and insert the USB storage device to check it.
(5) If the USB storage device still cannot work normally, please contact
RIGOL.
5. The touch functions cannot be used normally.
(1) Check whether you have enabled the touch screen. If not, please press the
touch screen switch key Touch Lock to enable the touch screen function.
(2) Check whether the screen or your finger is stained with oil or sweat. If yes,
MSO5000 User Guide
RIGOL
22-1
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