Scale Calibration (For Models With a Scale) 4 - 23
User Interface Displays and Signals
Table 4-6    LED and Beeper Sequences
Scale State
7-segment 
Diagnostic Display
LED 
(System)
Beeper 
Sequence
Scale Zero 
Button 
(LED)
Optional Scale Display
Scale disabled  No change No change None OFF Blank
Scale normal - 
stable with 
weight 
No change No change None; single 
short beep after 
weight request 
from POS, if this 
feature is 
enabled.
Solid Green 
ON
Weight reading
Under zero No change No change None Flashing All “- - - - -” (dashes)
Over range 
condition (weight 
is greater than 
30.09 lb, or 
weight is greater 
than 15.045 kg)
No change No change None OFF EEEEE
Weight unstable No change No change None OFF Numerical values blank but 
measurement unit icons (lb 
or kg) remain on.
Scale Zero
 
button press
If zero operation fails it 
scrolls 
U12
Red 
(Warning) if 
zero 
operation fails 
on a 
Scale 
Zero
 button 
press; 
otherwise, no 
change
Click sound No change If successful weight reads 0 
(zero) and <0> indicator 
icon illuminates.
Scale out of 
calibration 
Scrolls fault code 
U14
Red 
(Warning)
None OFF Blinks CAL