Welcome to our RD1 series master FAQs index. Select a section below to find detailed guides, step-by-step instructions, and technical specifications for your Candeo devices.

Product Choice & Compatibility

Not sure which model suits your home setup? Use this guide to compare features between the C202, RD1, and RD1-Pro, and check compatibility with smart home platforms like Home Assistant, SmartThings, and Hubitat.

Installation & Physical Setup

Essential advice for a safe physical installation. Covers UK no-neutral wiring basics, recommended back box depths, third-party faceplate alignment, and how to read the hidden LED setup indicators behind the dial.

Bulbs, Loads & Dimming Performance

Optimise how your lights behave. Learn how to switch between leading and trailing-edge dimming, set custom minimum/maximum brightness ranges, calculate circuit loads, and fix low-level bulb flickering.

Mode Selection: DIM, REM & DPM

An RD1-Pro exclusive guide explaining the differences between standard Dimmer Mode, smart-bulb decoupled Remote Mode, and Dual Purpose Mode so you can choose the correct behaviour before pairing your device.

Pairing, Reset and Drivers

Step-by-step instructions on how to factory reset your device and pair it successfully with your hub. Includes direct links to required custom drivers and quirks for ZHA, SmartThings, and Hubitat.

Smart Bulbs, Hue and Remote Mode

A dedicated guide for RD1-Pro users looking to control smart bulbs without cutting their physical power. Explains automation setup rules and why ecosystem limitations matter for systems like Philips Hue.

LED Bypass and Flickering

If your bulbs are glowing, flashing, or pulsing when turned off, they likely lack sufficient circuit load. This article covers exactly when, where, and how to wire an LED bypass to stabilize your lighting circuit.

2-Way and Companion Dimmer Setup

Planning multi-way control for a hallway or large room? Review the strict wiring rules for using the RD1C companion dimmer alongside your primary smart switch, including advice on control latency.

Button Events, Rotary Events and Automations

Unlock advanced automation workflows for your RD1-Pro. Learn how to map single presses, double clicks, holds, and rotary direction turns to trigger complex actions, control multi-room speakers, or cycle smart scenes.

Energy Monitoring

Track your home consumption accurately. Find out which platform drivers expose live electrical data, what metrics are reported (voltage, current, power, and total kWh), and how accuracy behaves across different modes.

Fault Finding & Diagnostics

Our interactive technical troubleshooting dashboard. Quickly isolate hard-to-find issues like reversed live/load lines, mismatched drivers, hardware-versus-software anomalies, and find out exactly when to call an electrician.

Firmware and Binding

Guides for the latest RD1 and RD1-Pro firmware: what changed, how to update, and how to use the new direct Zigbee binding features.

RD1 (V1.3.1)/RD1-Pro (V2.0.0) Firmware Release Notes

See what changed in the latest firmware for both models, including proportional on/off transitions, Extra Button Commands in DIM mode on the RD1-Pro, and direct Zigbee binding support for REM and DPM.

Firmware Update Instructions

Step-by-step instructions for updating RD1 and RD1-Pro firmware safely.

[RD1-Pro] Direct Zigbee Binding

Bind the RD1-Pro directly to compatible Zigbee lights or groups for fast local control. Covers Candeo Blueprints and manual binding for both ZHA and Zigbee2MQTT, plus how to remove or change a binding.