Choose your symptom and check the device, controller, network and feature scope before a reset.
Choose a symptom
Work from the simplest and safest checks. A missing feature may be a deliberate platform limitation, while a device that cannot be found may have a network or controller prerequisite.
Matter device not discovered
Follow the safe checks in order
Thread border router is missing
Follow the safe checks in order
Aqara Zigbee child missing in another platform
Follow the safe checks in order
Tapo leak sensor works in vendor app but not Matter
Follow the safe checks in order
SwitchBot export limit reached
Follow the safe checks in order
SwitchBot robot appears as a switch
Follow the safe checks in order
CO2 value missing in Apple Home
Follow the safe checks in order
Hue Tap Dial rotation missing
Follow the safe checks in order
Z-Wave device cannot pair to Aeotec Hub 2
Follow the safe checks in order
Home Assistant connection is intermittent
Follow the safe checks in order
Roborock Matter option is missing
Follow the safe checks in order
An older generation lacks Matter
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A US URL shows European electrical values
Follow the safe checks in order
Homey Pro mini cannot connect by Wi-Fi
Follow the safe checks in order
Lock connects but Apple home key is absent
Follow the safe checks in order
Light switch wiring or load does not match
Follow the safe checks in order
USB radio does not work as standalone hub
Follow the safe checks in order
Connected accessory lost after a reset
Follow the safe checks in order
Run a guided diagnosis
Protect your setup
Do not publish QR codes, serial numbers, home addresses or account credentials in a correction report. Avoid a factory reset as the first response; it can break working automations and requires a new commissioning path.