User manual

Chapter 4 Troubleshooting RIGOL
DP700 User’s Guide 4-1
Chapter 4 Troubleshooting
This chapter lists the potential problems or failure, as well as the solutions in using
the instrument. 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. (For instrument information, press
System, and then select the "Info." tab.)
1. The instrument cannot be powered on.
(1) Check whether the power cord is damaged or correctly connected.
(2) Check whether you have pressed down the Power key
.
(3) Plug out the power cord, and check whether the AC selector is in the proper
position, whether the fuse conforms to the fuse rating, and whether the
fuse is intact. For fuse replacement, refer to "Fuse Replacement".
(4) If the problem still persists, contact RIGOL.
2. The constant voltage output is abnormal.
(1) Check whether the max output power meets the load requirement.
(2) Check whether there is a short across the cable that connects the load and
the power supply, and check whether the connection is in good condition.
(3) Check whether there is a problem with the load.
(4) Check whether the current setting value is proper. If the value is too low,
increase the value appropriately.
(5) If the problem still persists, contact RIGOL.
3. The constant current output is abnormal.
(1) Check whether the max output power meets the load requirement.
(2) Check whether there is a broken circuit across the cable that connects the
load and the power supply, and check whether the connection is in good
condition.
(3) Check whether there is a problem with the load.
(4) Check whether the voltage setting value is proper. If the value is too low,
increase the value appropriately.
WARNING
Do not disassemble the instrument by yourself. Otherwise, you might be
exposed to the danger of electric shock. Only RIGOL authorized
personnel are allowed to repair, make adjustments, or replace the
components of the instrument.
WARNING
Only the exclusive power cord designed for the instrument can be used.
For replacement of the power cord, please contact
RIGOL.