16
Troubleshooting
The following failures may occur during the use of the instrument. Please first try to
handle the problem according to the following methods; if the problem remains
unsolved, please contact RIGOL and provide the device information of your
instrument (by tapping
> Help > About).
1. The instrument does not start.
a. Check whether the power cord is correctly connected.
b. Check whether the power switch on the front panel is turned on.
c. Unplug the power cord, and check whether the voltage selector is at the proper
scale, whether the fuse specification is correct and the fuse is in good condition.
To replace the fuse, please refer to
Replacing the Fuse
。
d. If the problem still persists, please contact RIGOL.
2. The constant voltage output is abnormal.
a. Check whether the maximum output power of the selected meets the load
requirement. If the load requirement is met, go to the next step.
b. Check whether the cable connecting the load and power supply is short-
circuited and whether it is in good contact.
c. Check whether the load works normally.
d. Check whether the current setting value of this scale is proper; if it is too low,
increase the current setting value properly.
e. If the problem still persists, please contact RIGOL.
3. The constant current output is abnormal.
a. Check whether the maximum output power of the selected meets the load
requirement. If the load requirement is met, go to the next step.
b. Check whether the cable connecting the load and power supply is short-
circuited and whether it is in good contact.
c. Check whether the load works normally.
Troubleshooting
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DP900 User Guide
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