Failure
Description
Reason
Method
AC indicator lamp
doesn’t light up
Failure to con-
nect with the
AC power
1.poor contact
with the power
plug
2.broken power
cord
3.blown fuse
1.insert the plug
well or change
socket
2.change power
cord
3.change fuse of
the same type
While using sto-
rage battery, no
display and sound
when turning on
No DC power in
the scale
1.damaged sto
-
rage battery, no
voltage
2.wire’s poor
contact with sto-
rage battery
1.change the sto
-
rage battery of the
same type
2.contact wire with
battery well (note:
color
corresponding)
Display “—Lb—”
with alarm sounds
and turn itself off
automatically
Insufficient
of voltage of
battery
Too long use of
battery
Charge the scale by
connecting with the
AC power supply
Unstable weighing
display
Insufficient of
voltage or get
damped
Continue to use
the battery when
the scale gives
alarm sound of in-
sufficient voltage
or the environ-
mental humidity
is too high.
Charge the scale for
10 hours by con
-
necting with the AC
power supply or cle-
an the main board
and dry it.
22
IT
ISTRUZIONI D‘USO
BILANCE A PIATTAFORMA
EN