# Unexpected missing tooth error/missing tooth

**URL:** <https://community.ecumaster.com/t/unexpected-missing-tooth-error-missing-tooth/5093>\
**Category:** EMU BLACK / CLASSIC\
**Created:** [January 18, 2026, 3:56pm UTC](https://community.ecumaster.com/t/unexpected-missing-tooth-error-missing-tooth/5093 "2026-01-18T15:56:55Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![merctech](https://avatars.discourse-cdn.com/v4/letter/m/48db29/32.png) [@merctech](https://community.ecumaster.com/u/merctech)\
**Post date:** [January 18, 2026, 3:56pm UTC](https://community.ecumaster.com/t/unexpected-missing-tooth-error-missing-tooth/5093/1 "2026-01-18T15:56:55Z")

</div>

What are the causes for unexpected missing tooth errors and tooth out of range errors?

---

<div class="post-metadata">

**Author:** ![noobtuner](https://avatars.discourse-cdn.com/v4/letter/n/e274bd/32.png) [@noobtuner](https://community.ecumaster.com/u/noobtuner)\
**Post date:** [January 18, 2026, 10:09pm UTC](https://community.ecumaster.com/t/unexpected-missing-tooth-error-missing-tooth/5093/2 "2026-01-18T22:09:57Z")

</div>

Loose sensor.

Air gap between sensor and reluctor wheel not set correctly.

Incorrect trigger type selected.

Incorrect edge rising or falling selected.

To name a few