# Z axis not responding to remote control **URL:** \ **Category:** Troubleshooting (X35/X50)\ **Created:** [May 11, 2022, 5:53pm UTC](https://forum.onefinitycnc.com/t/z-axis-not-responding-to-remote-control/13010 "2022-05-11T17:53:24Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\ **Post date:** [January 10, 2023, 3:51pm UTC](https://forum.onefinitycnc.com/t/z-axis-not-responding-to-remote-control/13010/6 "2023-01-10T15:51:30Z")
Your issue is 1.1.0/1.1.1/1.1.2 firmware, which has bugs. Return to 1.0.9 or skip to 1.2 beta (you will need to flash the SD card to do so). > [@How to reflash the operating system on the Onefinity BB controller (Full SD card image)](https://forum.onefinitycnc.com/t/how-to-reflash-the-operating-system-on-the-onefinity-full-sd-card-image/5659): > > There are times when you may have a file go corrupt or (advanced) users start poking under the hood and may need to reflash the entire vanilla image to the sd card. This process is essentially reinstalling the Onefinity operating system from scratch. This process is only for advanced users OR if you were directed to this via support. If you are looking to update the firmware from a controller that is working properly, do not use this method, look for the update file in the ‘firmware updates’ s… [https://forum.onefinitycnc.com/t/firmware-1-2-beta-new/17612/10](https://forum.onefinitycnc.com/t/firmware-1-2-beta-new/17612/10) --- _[View the full topic](https://forum.onefinitycnc.com/t/z-axis-not-responding-to-remote-control/13010)._