# Help With ATC setup

**URL:** <https://forum.avidcnc.com/t/help-with-atc-setup/6459>\
**Category:** General Chat\
**Created:** [August 16, 2026, 4:34pm UTC](https://forum.avidcnc.com/t/help-with-atc-setup/6459 "2026-08-16T16:34:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Bstanga](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/bstanga/32/791_2.png) [@Bstanga](https://forum.avidcnc.com/u/Bstanga)\
**Post date:** [August 16, 2026, 4:34pm UTC](https://forum.avidcnc.com/t/help-with-atc-setup/6459/1 "2026-08-16T16:34:12Z")

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So I have worked through the ATC setup, I have the drawbar working (cncdepot 40c) but I cannot get the tool rack to move, it stays extended. I have tightened and loosened the needle valves to no effect. Any ideas to troubleshoot this?

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**Author:** ![Pertech](https://avatars.discourse-cdn.com/v4/letter/p/b19c9b/32.png) [@Pertech](https://forum.avidcnc.com/u/Pertech)\
**Post date:** [August 16, 2026, 4:50pm UTC](https://forum.avidcnc.com/t/help-with-atc-setup/6459/2 "2026-08-16T16:50:04Z")

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I had a similar issue and thanks to Eric I found that the ribbon wire connecting the air solenoid bank to the control board was a little loose at the control board. I just gave it a push with my thumb and all worked well since.

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<div class="post-metadata">

**Author:** ![Bstanga](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/bstanga/32/791_2.png) [@Bstanga](https://forum.avidcnc.com/u/Bstanga)\
**Post date:** [August 16, 2026, 7:39pm UTC](https://forum.avidcnc.com/t/help-with-atc-setup/6459/3 "2026-08-16T19:39:23Z")

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ok I figured it out I had to adjust the needle valves .