This guide answers a smart-lighting or Matter lighting question and translates
it into a practical checklist for Rhythm users. If you are pairing compatible
Matter lights, the Rhythm Lighting LightHub can commission them from the
Rhythm app: choose Add Device, select Matter, then scan the
QR code or paste the MT: payload / 11-digit setup code. The
LightHub performs the commissioning handshake and keeps the device on your
Matter fabric.
Short answer
If a Matter device was already paired to one controller, moving it to another system usually requires either a proper Matter multi-admin share code or a factory reset. Simply deleting it from one app is not always enough; the device may still believe it belongs to an existing fabric.
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Reset and re-pair checklist
- Remove the device from the old controller if you still have access to it.
- Power-cycle the device and controller.
- Follow the manufacturer reset procedure exactly. Timing matters for fans, plugs, switches, and bulbs.
- Wait for the device to advertise again. Many devices signal this with a flash, blink pattern, or audible click.
- Commission it from the new app using the Matter QR code,
MT:payload, or manual pairing code.
When not to reset
If the device is still working in one ecosystem and you only want it in another, use Matter multi-admin instead. That keeps the existing fabric and creates a temporary code for the second controller. Resetting is the right move when the old controller is gone, the device is stuck half-paired, or you are rebuilding the home from scratch.
Pairing with Rhythm
For compatible Matter lights, a clean reset followed by Rhythm app commissioning is often faster than fighting a stale vendor-app pairing. In Rhythm, choose Add Device, select Matter, scan the setup code, and let the LightHub do the commissioning.
Pairing with Rhythm
For Matter lights and bulbs, the LightHub is the bridge between the app and the device during pairing. Keep the LightHub, phone, and device on the same local network, keep Bluetooth enabled when the device requires BLE commissioning, and make sure the setup code has not expired or already been used by another fabric. Once paired, the LightHub can control the device locally as part of your Rhythm setup.
For a complete Matter-over-Wi-Fi lighting walkthrough, see Pair Matter-over-Wi-Fi bulbs with the LightHub.