---
title: "Hardware Issues"
description: "Troubleshoot TapHome hardware problems with Core unit, IO modules, sensors, and Bus Extenders. Diagnostic guides and solutions."
url: "https://taphome.com/en/troubleshooting/hardware/"
language: en
lastmod: 2025-01-15
generator: hugo
---

# Hardware Issues

Problems with TapHome Core, IO modules, sensors, and physical devices

## articles

- [EXT sensor after replacement](https://taphome.com/en/troubleshooting/hardware/ext-sensor-not-communicating-after-replacement/) — Replaced external sensor (temperature, humidity, CO2) still not communicating with the module
- [Bus Extender not recognized](https://taphome.com/en/troubleshooting/hardware/bus-extender-not-recognized/) — Bus Extender connected via USB is not detected by the Core