User`s guide
Chapter 5 Troubleshooting RIGOL
M300 User’s Guide
5-1
Chapter 5 Troubleshooting
This section lists some questions and failures which might occur when using this
instrument. Please solve them according to the following method. If the problem
remains, please contact RIGOL and provide the device information of your
instrument (Utility Info).
1. The instrument does not start.
1) Check the power cable connection.
2) Check whether the power switch at the front panel is turned on.
3) Remove the power cord and check whether the voltage selector is at the
proper scale and whether the fuse specification is correct and the fuse is in
good condition. To replace the fuse refer to the instructions.
4) Restart the instrument after executing the above steps.
5) If the problem remains, please contact RIGOL.
2. 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 Flash storage type, as this
instrument does not support hardware storage type USB storage device.
3) Restart the instrument and insert the USB storage device to check it.
4) If the USB storage device still cannot work normally, please contact
RIGOL.
3. How to recover the configurations from the last power failure or
unexpected shutdown and continue the work before the shutdown
automatically?
1) Restart the instrument.
2) Press Utility System, select Power-off using the up/down direction
keys and select “ON” using the left/right direction keys.
4. The screen is too dark?
Press Utility System, select Brightness using the up/down direction keys
and set the proper brightness using the left/right direction keys.
5. The instrument is locked?
1) Check whether the instrument is in remote mode (namely check whether
“Rmt” is displayed in the status bar of the interface). If yes, press the
key to exit the remote mode and unlock the instrument.
2) Check whether the front panel of the instrument is locked (namely check
whether
is displayed in the status bar of the interface). If yes, press
and hold the
key to unlock the front panel.
3) Check whether a progress bar is displayed in the interface. If yes, please
wait for a moment and operate the instrument when the progress bar