17
Replace Fuse
1. Turn off the power supply of the instrument and
remove the probes on the instrument.
2. Remove the screws on the 4 corners fixing the
back cover and remove the back cover.
3. Remove the burnt fuse, replace with new fuse
of
the same specifications
(mA
：
F200mA/250V fuse,
10A
：
F10A/250V fuse), and ensure that the fuse is
clamped in the safety clip.
4. Install the back cover, fix and lock it with screws.
Maintenance
Clean
If there’s dust on the terminal or the terminal is wet, it
may cause measurement error. Please clean the
instrument according to the steps below:
1. Turn off the power supply of the instrument and
remove the test probe;
2. Turn over the instrument and shake out the dust
accumulated in the input socket. Wipe the outer
cabinet with a damp cloth and mild detergent, do not
use abrasive or solvent. Wipe contacts in each input
socket with a clean cotton swab soaked in alcohol.
