# Sloth kit error when testing Ultrasonic Module

**URL:** https://forum.sunfounder.com/t/sloth-kit-error-when-testing-ultrasonic-module/749
**Category:** Robotic kit for Arduino
**Created:** [January 6, 2024, 1:31am UTC](https://forum.sunfounder.com/t/sloth-kit-error-when-testing-ultrasonic-module/749 "2024-01-06T01:31:39Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![DetachedHat1799](https://avatars.discourse-cdn.com/v4/letter/d/439d5e/32.png) [@DetachedHat1799](https://forum.sunfounder.com/u/DetachedHat1799)
#### Post date: [January 6, 2024, 1:31am UTC](https://forum.sunfounder.com/t/sloth-kit-error-when-testing-ultrasonic-module/749/1 "2024-01-06T01:31:39Z")

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Module only works when pressure is applied to the pins after inserting them. How can I fix this?

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### Author: ![SunFounder\_Moderator](https://avatars.discourse-cdn.com/v4/letter/s/34f0e0/32.png) [@SunFounder\_Moderator](https://forum.sunfounder.com/u/SunFounder_Moderator)
#### Post date: [January 8, 2024, 2:53am UTC](https://forum.sunfounder.com/t/sloth-kit-error-when-testing-ultrasonic-module/749/2 "2024-01-08T02:53:41Z")

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Please provide the problem video to us, so that we can analyze the problem and give you a satisfactory solution.