# Just put it together... Axis's don't know when to stop! **URL:** \ **Category:** Snapmaker2.0 Troubleshooting guides\ **Created:** [September 4, 2022, 6:56pm UTC](https://forum.snapmaker.com/t/just-put-it-together-axiss-dont-know-when-to-stop/27211 "2022-09-04T18:56:14Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![bobby4718](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/bobby4718/32/11627_2.png) [@bobby4718](https://forum.snapmaker.com/u/bobby4718)\ **Post date:** [September 6, 2022, 12:33pm UTC](https://forum.snapmaker.com/t/just-put-it-together-axiss-dont-know-when-to-stop/27211/7 "2022-09-06T12:33:55Z")
Try checking the height of the proximity sensor. If you put the nozzle on the bed, the sensor should be the thickness of a credit card away from the bed. More detailed instructions here, just do step 2.2: > [@SM2 calibration](https://forum.snapmaker.com/t/sm2-calibration/5430/18): > > First, you can update the software and the firmware via the following links: Please do as follows to adjust the proximity sensor(for A150 as well): It seems that you need to adjust the proximity sensor and check the platform. Normally, when the nozzle is close to the surface of the printing, there will be a red dot in the nozzle. Please do a calibration process, and record the process to check if the proximity sensor works during the process. 1, Please check if you have assembled the plat… --- _[View the full topic](https://forum.snapmaker.com/t/just-put-it-together-axiss-dont-know-when-to-stop/27211)._