Philips Hue Secure Doorbell Offline? Here’s How to Fix It

Step-by-step fix guide | Philips Hue Secure

Try this first — Look at the light on the Philips Hue Secure wired video doorbell. If it’s blinking red, Hue says “The wired doorbell needs attention; check your transformer voltage specification.”

This guide is for anyone whose Hue Secure wired video doorbell has gone offline or keeps losing its connection. The steps come from Hue’s UK guide to the wired doorbell and smart chime, the doorbell’s UK product page and Hue’s service status page.

What This Problem Means

The wired video doorbell needs Wi-Fi and low-voltage power. Hue’s guide lists “a Wi-Fi connection (2.4GHz)”, and says the doorbell is “compatible only with existing doorbell systems that provide low voltage 12-24VAC.” Hue also says it doesn’t include a battery: it is designed to be permanently powered by low-voltage doorbell systems.

Common Symptoms

  • The doorbell shows as offline in the Philips Hue app
  • The light on the doorbell is blinking red
  • The doorbell is a long way from your Wi-Fi router
  • The doorbell is mounted on a metal surface
  • Hue services aren’t working for you

Safe Checks You Can Try

1. Check Hue’s service status

Hue’s service status page shows the status of Philips Hue services, including the Hue cloud. When everything is working, it says “All Philips Hue services are up and running”.

2. Use 2.4GHz Wi-Fi

Hue’s doorbell guide lists “a Wi-Fi connection (2.4GHz)” among what the doorbell needs, so connect it to a 2.4GHz Wi-Fi network.

3. Keep it within 10 metres of your router

Hue recommends placing the doorbell within a 10-metre range of your Wi-Fi router.

4. Avoid metal surfaces

Hue says “it is not recommended to mount it on metal surfaces”, which “could cause disruption and decrease the Wi-Fi connection.”

5. Check the power supply

If the light is blinking red, Hue says: “The wired doorbell needs attention; check your transformer voltage specification.”

The doorbell is “compatible only with existing doorbell systems that provide low voltage 12-24VAC”, and Hue’s UK page lists the transformer as “12-24 VAC (10VA min.)”. Hue also says: “Connecting to mains voltage (220-240V in Europe, 120V in the US) is not possible”.

Don’t open the transformer or touch mains wiring yourself. If the transformer needs checking or changing, use a qualified electrician.

Doorbell power at a glance

What What Hue says
Power supply Existing low-voltage doorbell systems that provide 12-24VAC only
Transformer 12-24 VAC, 10VA minimum
Mains voltage Not possible (220-240V in Europe, 120V in the US)
Battery None: the doorbell is designed to be permanently powered

When To Contact Support

If none of these steps fix it, contact Philips Hue through Hue’s UK support site.

Need a hand with this?

If the transformer or mains wiring needs checking or changing, or you are unsure about the doorbell wiring, have a qualified electrician look at it. You can compare up to 3 quotes from local electricians.

We may earn a commission if you request quotes through this link, at no cost to you.

⚠️ Important: This page is for guidance only. Always turn off the power at the circuit breaker or fuse box before touching any wiring, and use a qualified electrician if you are not sure. Follow Philips Hue’s official guidance for your device.