RIGOL DP832A - Manual (Page 137)

Chapter 4 Troubleshooting RIGOL
DP800A User’s Guide 4-1
Chapter 4 Troubleshooting
The following failures might occur when using this instrument. Please solve the
problem according to the following method; if the problem remains, please contact
RIGOL and provide the device information of your instrument (Utility  Sys
Info).
1. The instrument does not start.
(1) Check the power cord 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 “To Replace the Fuse”.
(4) If the problem remains, please contact RIGOL.
2. The constant voltage output is abnormal.
(1) Check whether the maximum output power of the scale selected fulfills the
load requirement. If yes, turn to the next step.
(2) Check whether the cable connecting the load and power supply is
short-circuited and whether it is in good contact.
(3) Check whether the load works normally.
(4) Check whether the current setting value of this scale is proper; if it is too
low, increase the current setting value properly.
(5) If the problem remains, please contact RIGOL.
3. The constant current output is abnormal.
(1) Check whether the maximum output power of the scale selected meets the
requirement of the load. If yes, turn to the next step.
(2) Check whether the cable connecting the load and power supply is
short-circuited and whether it is in good contact.
(3) Check whether the load works normally.
(4) Check whether the voltage setting value of this scale is proper; if it is too low,
increase the voltage setting value properly.
(5) If the problem remains, please contact RIGOL.
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 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.