American Weigh Scales CP-300 - Manual (Page 6)

This scale is a precise instrument and must be
handled with the utmost care and caution.
[Display] Solution:
Nothing, ,
Change the batteries.
[EEEEE] You are overloading the scale. Remove the
excessive load immediately!
[Oue2] The delicate weighing load cell has
been damaged by misusing the scale
(i.e. it was shocked, dropped or
overloaded). You can try recalibrating.