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© Adam Equipment Company 2007
4
2.0 TROUBLESHOOTING
1. Unit does not
turn on
Check whether the scale is plugged into the power supply properly.
Check the operation of the charging circuit.
Check whether the battery is charged- LED should turn to green from red.
Check the adapter output.
.
2. The scale
weighs but is
unstable
Air drafts or vibration or unstable table.
Pan rubbing against case or not installed correctly.
Scale not installed properly.
Improper connections on ADC circuit.
3. Scale shows
wrong weight
Scale not installed correctly.
Check the Calibration.
To check whether a part of product weighed is trapped between the pan
and the scale.
Incorrect adjustment of the mechanical stops.
4. An error “E4”
displays on
the screen
Load cell damage.
Scale not installed properly.
Incorrect adjustment of the mechanical stops.
Factory calibration has been tampered with- check the ADC counts and
re-calibrate.
5. An error “E9”
displays on
the screen
The scale is not stable to set the initial zero.