Adam Equipment azplus 15 User Manual

Page of 32
© 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.