Rigol DP1116A - Chapter 4 Troubleshooting

Chapter 4 Troubleshooting RIGOL
User’s Guide for DP1116A
4-1
Chapter 4 Troubleshooting
1. The screen still dark (no display) after power on:
(1) Check the power connection.
(2) Check if the power indicator is lighting and flickering.
(3) Disconnect the power cord and check if the Voltage Selector is in proper scale
and a right fuse is used and in good condition.
(4) If the error still exists, please contact RIGOL for help.
2. Constant voltage output is abnormal:
(1) Check if the maximum power from the selected scale can meet the load
requirement.
(2) If meets, please:
 Check if the cable that used for connecting the load with the instrument is in
good condition or has a short circuit.
 Check if the load goes wrong.
 Check if a proper current in this scale is specified; if the value is too low,
increase it properly.
(3) If the error still exists, please contact RIGOL for help.
3. Constant current output is abnormal:
(1) Check if the maximum power from the selected scale can meet the load
requirement.
(2) If meets, please:
 Check if the cable that used for connecting the load with the instrument is in
good condition or open circuit.
 Check if the load goes wrong.
 Check if a proper voltage in this scale is specified; if the value is too low,
increase it properly.
(3) If the error still exists, please contact RIGOL for help.
4. Cannot identify the USB device correctly:
(1) Check if the USB device is in good condition.
(2) Check if the used USB device is a flash device, note a hard disk cannot be
supported by DP1116A.
(3) Restart the instrument and insert your USB flash device again.
(4) If the error still exists, please contact RIGOL for help.