Unical Boiler Fault Codes

Your boiler is having trouble measuring the temperature of your hot water, which usually means it cannot heat water for your taps and showers until it is fixed.

Your boiler is failing to light the gas flame required to heat your water and home.

Your boiler has detected that waste gases are not escaping correctly through the flue, so it has shut down to prevent them from entering your home.

Your boiler has stopped working because it has detected that the main part responsible for heating your water is failing to transfer heat correctly.

Your boiler has shut down because it has detected an unsafe build-up of heat inside the unit.