Specifications

RIGOL Chapter 6 Troubleshooting & Maintenance
Service Guide for DM3058
6-4
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 power switch on Rear panel has been turned 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