Troubleshooting Guide
Problem Causes Solution
No segments – No AC power is available – Check the AC power
appear in the weight  supply
display (1) – The AC adapter is not – Plug in the AC adapter
plugged in
The weight display – The load exceeds the – Unload the scale
shows “H” capacity of the scale
The weight display – The load plate (3) – Position the platform
shows “L” or “Err 54” is not in place
The weight display – The display did not show – Press the =/z
briefly shows “Err 02” a zero readout when the key (14); then press the 
=/z key (14) =/z key again 
was pressed to calibrate and hold it until 
the calibration weight 
is displayed
– The scale is loaded – Unload the scale
The special code “b”  – None of the keys has – Press a key
remains displayed been pressed since the
scale was turned on
The weight readout – Unstable ambient conditions – Set up the scale
changes constantly in another area
– Too much vibration, or the – Access the menu to 
scale is exposed to a draft select the correct code 
for the weighing 
environment (e.g.11 4)
The scale cannot – There is a foreign object – Remove the foreign
be stabilized between the load plate object
and the scale housing
The weight readout – The scale is not calibrated – Calibrate the scale 
is obviously wrong (see page1–36)
– The scale was not tared  – Tare before weighing
before weighing
– The air bubble of the – Level the scale
level indicator (8) is not (see page1–27)
within the circle
1–41