• A faulty boiler can be potentially fatal, regular servicing and maintenance are essential.
  • 1. These are signs you should keep an eye out for, they indicate that your boiler isn't operating safely and should be serviced by a registered engineer as soon as possible.
    • Soot or black/brown staining around the appliance
    • A yellow or orange weak flame instead of blue flame
    • A pilot light which blows out easily (pilot lights tend to be in boilers over 18 years old)
  • 2. If you have misplaced or lost your user manual, you can locate a replacement manual from this list of Vokera boilers (please have your model number to hand).
  • We update the maintenance tips and troubleshooting guidance from time to time and aim to make it as helpful as possible. The purpose of the maintenance and troubleshooting section of this website is to provide you with general guidance. Please ensure you read and follow our instructions carefully and do not undertake the maintenance or troubleshooting unless you are aged 18 or over, are competent to do so and are confident that you can complete the maintenance. If in doubt do not attempt any actions and where an appliance is gas fuelled refer to a Gas Safe engineer for assistance.

    This website is not intended to be a substitute for professional advice and does not:
    - cover every reason that your product could fail;
    - cover all of the maintenance that can be undertaken for your product;
    - supersede any advice in your instruction manual or from your product manufacturer.

    Do not carry out any maintenance or use the troubleshooting guide if it puts you or anyone else in danger or if you believe it may cause damage to your, or another person’s property.