troubleshooting

What Is a Home Switch?

The component labeled as "Limit Switch" on OMIOCNC machines is actually a Home Switch. It is used to determine the origin of the mechanical coordinate system. Its primary function is to let the machine know its current position, so homing (returning to the origin) must be performed before every job to ensure accurate positioning.

Factory Testing & Important Notes

Every machine is thoroughly tested before shipment. If the machine does not respond normally, you can reinstall the software and settings files. After completing the setup, do not make any additional adjustments to Mach3.

Why the Home Switch Doesn't Work – Three Steps to Check

If the homing function............

How to Troubleshoot the WSJ‑M3 Control Handle in Mach3

This guide walks you through the most common fixes for the WSJ‑M3 wireless control handle. Follow the steps in order.

Important Prerequisite

The WSJ‑M3 control handle only works when the Mach3 software is already running on your computer. If the handle does not function properly, proceed with the steps below.

1. Replace the Batteries

Install fresh AA batteries (2 pieces) in the WSJ‑M3 handle. Low battery power is the most common cause of intermittent or completely unresponsive behavior. After replacing, turn the handle back on.

2. Check Complete Installation of Mach3 Plugins and Macro Files

Many users only copy ShuttlePro.dll but forget the macro files, causing some buttons on the handle to stop working. Please verify both items below: