RIGOL
Service Guide for DM3000 Series
Troubleshooting
Common Troubleshooting
1. After press the power switch, the multimeter is blank screen with nothing
display:
(1) Check if the power is correctly connected.
(2) Check if the main power switch on the Rear panel has been turn on.
(3) Check if the power light on Front panel is bright.
(4) Check if the safety fuse is blown; replace a new one if necessary.
(5) Check if the power selector is in correct position.
(6) If the unit still cannot work properly, please contact with your local RIGOL Service
center.
Instruction of Power Supply Button:
Light: ON; Twinkle: STAND BY; Dark: OFF.
Tips:
How to change the fuse of power supply:
The electric power fuse locates within the fuse socket at the Rear panel of Multimeter which has
already been equipped when the instrument leaves factory.
The replacing sequence for a fuse is:
Disconnect the power. Use a tool to press the block down (as the dashed pointed in the
picture) and then pull out the fuse socket.
After replacing, put the fuse socket back into the slot.
Check whether the voltage is in correct level.
Figure 6-2 The Sketch Map of Fuse Replacement
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