• My Smart interface has no LED’s lit on the front. +

    If your smart interface is fitted into the boiler, please ensure the 8pin connector is secure and the boiler power is turned on.  If your Smart interface is connected externally from the boiler in a bracket, please ensure the 8 pin connector is secure and that he black power supply is plugged in, turned on and connected to the bracket.

  • My smart interface is showing 3 solid green LED’s on override, Boiler and power +

    Please press the pin reset on the front of the Smart interface. This should reset the unit. If this does not work, please turn the power off to the boiler for 5 minutes. This will fully reset the unit.  If your smart interface is installed externally from the boiler, unplug the power supply for 5 minutes

  • When I first power up my Halo WiFi / Halo Combi RF smart interface has all 4 green LED’s showing solid permanently and is not working +

    Please press the pin reset on the front of the Smart interface. This should reset the unit. If this does not work, please turn the power off to the boiler for 5 minutes. This will fully reset the unit.  If your smart interface is installed externally from the boiler, unplug the power supply for 5 minutes

  • On my Halo WiFi / Halo Combi RF smart interface the Zigbee green led is flashing. +

    This indicates that the Smart interface is currently in the Identify mode accessed by a short press of the pairing button. To exit this mode just press the identify button again.

  • The screen on my Halo is flashing ? +

    The unit has been put into identify mode. A short press on the pair button will stop the identify function. You will also see the flashing zigbee light go solid. 

  • My Halo WiFi / Halo Combi RF unit does not show anything on the screen. +

    If when turning the dial, nothing shows on the screen. Ensure all 4 batteries are inserted correctly. It may be worth changing the batteries to check.

  • How do I contact Ideal technical support? +

    The Halo Technical Support telephone number is 01482 498663 

  • How do I change the batteries in my Halo Combi RF / Halo Combi WiFi? +

    To release the back from the Halo device, grab the top and bottom of the unit and gently pull the Halo away from the rear housing or desk stand,  This will reveal the location of the 4 x AA batteries in the device. Replace with 4 x AA Alkaline batteries, ensuring the correct battery orientation. 

    Once changed, position the Halo back onto the  desk stand or wall mount.
    The Halo will go through a short synchronisation process while it reconnects with your Halo smart interface. The Halo will then return to the home screen. 

  • How do I perform a full factory reset on my Halo? +

    On the smart interface, press and hold both the override and pair buttons for 15 seconds until the Zigbee LED goes orange. This will reset both the Smart interface and the Halo control back to factory settings. 

  • My Halo device is showing a CF01 fault. +

    This indicates that your Halo thermostat has lost connection with the smart interface.  Ensure the smart interface has power and that the distance and location advice in the user guide has been followed.  If problems persist, please call our customer services team on 01482 498660

  • My Halo device is showing a CF03 fault. +

    This indicates that your smart interface has lost connection to your Home WiFi. Ensure your home WiFi is active and the distance and location advice in the user guide has been followed.  If problems persist, please call our customer services team on 01482 498660

  • My Halo device is showing a CF04 fault. +

    This indicates that your smart interface has lost connection to the cloud services. Ensure your home WiFi is active and the distance and location advice in the user guide has been followed.  If problems persist, please call our customer services team on 01482 498660