What the manual says
Manufacturer manualFrost protection system has been activated
From this model's manual
Verified against the Vokera Mynute Vhe installation & service manual.
DIY fix possible
Check that your heating timer is set to come on periodically during freezing weather to help prevent thisEnsure your boiler is not located in a draughty or uninsulated area, such as a garage or loftMonitor the boiler for a short time to see if the code clears once the temperature rises
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