# \#tolerance

**URL:** https://forum.plexim.com/tag/tolerance/172.md

[Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md)

---

## [Unable to meet integration tolerances](https://forum.plexim.com/t/unable-to-meet-integration-tolerances/1023)

<div class="topic-metadata">

**Author:** [@reshma](https://forum.plexim.com/u/reshma)\
**Replies:** 1\
**Last updated:** [May 14, 2021, 1:48pm UTC](https://forum.plexim.com/t/unable-to-meet-integration-tolerances/1023 "2021-05-14T13:48:29Z")

</div>

I was trying thermal simulation of 3phase H bridge inverter powering a BLDC motor.I am encountering an error Unable to meet integration tolerances without reducing step size below smallest value allowed (2.6589e-17).How …

---

## ["Unable to meet integration tolerances" problem](https://forum.plexim.com/t/unable-to-meet-integration-tolerances-problem/460)

<div class="topic-metadata">

**Author:** [@nikilito](https://forum.plexim.com/u/nikilito)\
**Replies:** 1\
**Last updated:** [July 30, 2018, 8:43pm UTC](https://forum.plexim.com/t/unable-to-meet-integration-tolerances-problem/460 "2018-07-30T20:43:57Z")

</div>

Hi everyone! Tonight I left running the simulation and this morning I found this error: “Unable to meet integration tolerances without reducing step size below smallest value allowed (7.1072e-14)”. I have a 3-ph inver…