Essae DX-451 Troubleshooting Guide

The DX-451 includes several diagnostic indicators that help identify common operating issues.

Common Problems

Machine Not Switching ON

Possible causes include power supply problems, battery failure or loose connections.

Display Reading Not Stable

Usually caused by vibration, air drafts or improper installation.

Under Flow Error

Occurs when the load cell signal falls below the operating range.

Over Flow Error

Occurs when the applied load exceeds the allowable weighing range.

Communication Problems

Often caused by incorrect RS232 settings or damaged communication cables.

Battery Related Problems

Low battery conditions may affect display stability and operating time.

Basic Troubleshooting Steps
1.) Verify power supply.
2.) Check platform condition.
3.) Remove all loads.
4.) Perform zero operation.
5.) Restart the machine.
6.) Verify communication settings.
7.) Perform calibration verification.

When to Call Service
If problems persist after basic troubleshooting, contact an authorized Essae service engineer.