User Manual
Page
24
of 27
6. Maintenance
6.1
Regular
Error
and
maintain
method
Error
Reason instruction Solution
Display
UUUUUU
1. the loaded weight
excess overload range of
max. capacity
2. wrong connection
with load cell or no
connection with it.
3. load cell unworkable
1.decrease loaded weight
2. check load cell
connection
3. checking load cell
：
check
input and output resistance
to judge it is good or not.
Display nnnnnn
1. calibration is no good
2
、
cell single line is
connect a wrong line.
3
、
the cell is bad.
1. check scale is resisted or
not, foot is kept level or not.
2. check load cell
connection.
3. checking load cell
：
check
input and output resistance
to judge it is good or not.
ERR1
during calibration, no
input added weight or
input weight exceed
max capacity.
Input the correct weight
