Using Your Halo Thermostat
- My override button doesn’t seem to do anything
The override feature is only active when the unit is in failsafe mode. Please see the user guide for further details.
- What is failsafe mode?
Failsafe mode activated when the Halo control cannot communicate with the Smart Interface. See failsafe modes in user manual.
- How do you wake up the screen on the Halo Wi-Fi?
To wake up the screen, press either button or turn the control dial.
- My boiler wont fire when asking for heat
If your Smart interface is connected internally on the boiler, ensure that the 8 pin connector is secure and that both the mains room stat and Opentherm links are in place. If your smart interface is connected via an external bracket, please obtain your full boiler model number and call our customer services team on +35319617700.
- Where should the Halo thermostat be positioned in the property?
The Halo should be mounted 1.2-1.5m above the floor if wall mounted. Alternatively, it can be desk mounted using the provided desk stand.
It should not be installed above a radiator or heat source, not in direct sunlight, away from any draughts and not fitted behind a curtain.
- I’ve moved into a house that has an Ideal Halo Wi-Fi installed, what should I do?
For general use, it is advisable to perform a factory reset and re-pair your controls as per the instructions in the user guide.
If you are looking to use the mobile app, you need to download the Ideal Halo app from the appropriate AppStore for your device and follow and link your control to the app. The app will guide you through the setup process.
- How many schedule periods can I add?
6 per day.
- How do I configure night setback (NSB)?
Currently there is no Night Set Back feature on the Ideal Halo however, with 6 heating schedules per day there is the flexibility to set additional “on” periods with a lower setpoint to compensate for this.
- What is frost protection?
Frost protection is active when the Halo is set to OFF. It will run the central heating system if the temperature drops to 5°C to prevent freezing.
- Why can I see an exclamation mark icon on my Halo?
If an exclamation mark is visible on the screen of your Halo control it indicates that your boiler has a fault. When the exclamation mark is visible the right-hand button will take you to a fault page with a description of the fault on your boiler and instructions of what you need to do.
If your boiler has a fault and you have the Halo Combi Wi-Fi, the exclamation mark fault icon will also show on your app screen, and you can tap through to a fault page with a description of the fault on your boiler and instructions of what you need to do.
- The menu option is not showing on my Halo device
Please ensure your heating is not in an override situation. The menu is not available when in this state.
- Is the Halo Wi-Fi freestanding?
The Halo can be wall mounted or placed on the desk stand included.
- How do I set holiday mode?
To set holiday mode, when your Halo is temporarily set to OFF for a pre-determined period of time. On the day you are due to leave press the left button to enter the menu, enter holiday mode and select how many days you would like holiday mode to last. Push the dial to confirm.
If you have the Halo Combi Wi-Fi control you can also set holiday mode remotely in the Halo app, simply go to the menu and select holiday mode and follow the guidance on the screen.
- How do you wake up the screen on the Halo WiFi / Halo Combi RF?
To wake up the screen, press either button or turn the control dial.











