94
Maintenance
W
ARNING: Do not perform any service by
yourself. Service should only be done by qualified
personnel and trained technicians.
WARNING: Beware of liquid and residues,
especially conductive matter.
Se
rvice
I
f the instrument fails to power on, first check battery,
external source and power sockets and the validity of
buttons.
If the measurement result is abnormal, first inspect the
condition of test accessories and damage of reed in
test slots. See operation manual for information of
correct operation.
Do not replace components. Contact the after-sale
department of our company or relevant distributors for
uncertain maintenance.
The meter must be turned off or removed from
external power before replacing battery. See Installing
Battery section for details.
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