American Weigh Scales Mini CD-50 - Manual (Page 4)

V. TROUBLESHOOTING:
The primary reasons for inaccuracy or malfunction are low bat-
teries, incorrect calibration, overload or operating on an unstable
surface. Please keep this in mind and maintain and operate your
scale property. This scale is a precise instrument and must be
handed with the utmost care and caution.
Display Elimination of errors
Nothing, Battery-Symbol, [lo]
Change the batteries.
[OUT2] Recalibrate the scale as shown above.
[O-LD] You are overloading the scale, Remove
the excessive load immediately!
[O-LD] or [LLLLL] The delicate weighing load cells have
been damaged by misusing the scale
(i.e. it was shocked, dropped or
overloaded). You can try recalibrating
the scale. If the load cell has not been
damaged too much it will work again
after recalibration.
[UNST] Use the scale in a more stable position.