How to troubleshoot your electronic scale
Have you discovered that your electronic scale won't return to zero? Or that it's losing calibration? The source of these and other scale problems can be hard to track down. This article describes a step-by-step troubleshooting routine you can follow to figure out what's wrong with your electronic scale. Sections cover some preliminary questions to consider, then list steps in troubleshooting mechanical and electronic problems. Related information covers troubleshooting a water-damaged electronic scale.
The electronic revolution has changed weighing technology for the better. But an electronic scale, with its hopper, support structure, load cells, cables, summing junction box, and digital weight indicator, as shown in Figure 1, is much more complex than its mechanical counterpart. As a result, electronic scale problems can stem from a myriad of mechanical or electronic causes.