# New problem EX controller **URL:** \ **Category:** General Chat\ **Created:** [October 19, 2024, 4:35pm UTC](https://forum.avidcnc.com/t/new-problem-ex-controller/3811 "2024-10-19T16:35:34Z")\ **Posts on this page:** 1\ **Showing post:** 17
**Author:** ![Eric](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/eric/32/3220_2.png) [@Eric](https://forum.avidcnc.com/u/Eric)\ **Post date:** [October 22, 2024, 12:34pm UTC](https://forum.avidcnc.com/t/new-problem-ex-controller/3811/17 "2024-10-22T12:34:46Z")
@bhlwoodworks and I did some troubleshooting and he had VFD issue that we resolved as well: To explain: The motor AND VFD share the same input for faults. So if you motor OR your VFD is in a fault state you will not be able to home the machine. This is designed to protect your work should a motor, or your VFD fault while you are using the machine. In @bhlwoodworks case he had a third party spindle so we had to bypass that fault signal. We provide a set of dip switches for folks who are running non Avid spindles to do this. We are finishing up a document to show how to better integrate third party spindles like the CNC depot ones and will post it in the coming days. --- _[View the full topic](https://forum.avidcnc.com/t/new-problem-ex-controller/3811)._