6
Troubleshooting
1. When I power on the instrument, the instrument stays black and does not
display anything.
a. Check whether the power is correctly connected.
b. Check whether the fuse is blown out. If yes, please replace the specified fuse.
c. Restart the instrument after finishing the above inspections.
d. If the problem still persists, please contact RIGOL.
2. The reading does not change when a current signal is input.
a. Check whether the test lead is correctly inserted into the HI and LO terminals of
current measurement.
b. Check whether the current fuse on the front panel is blown out.
c. Check whether the DCI or ACI measurement is enabled.
d. Check whether you select the proper measurement item.
3. The reading is abnormal when a DC signal is input.
a. Check whether the test lead is correctly inserted into the HI and LO terminals of
current measurement.
b. Check whether the current fuse on the front panel is blown out.
c. Check whether the DCI or DCV measurement is enabled.
d. Check whether you select the proper measurement item.
Troubleshooting
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DM858 Series User Guide
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