Main Boiler Fault Codes

Your boiler has detected an internal issue with its safety controls, causing it to stop operating to ensure your home remains safe.

Your boiler has detected an issue with the sensor that reads the temperature of the water flowing out of the unit, meaning it has safely shut down to prevent damage.

Your boiler has detected an internal issue with its electrical controls or sensors, causing the system to stop working reliably.

Your boiler is struggling to communicate with an optional safety monitoring device, which is causing it to suspend operation as a precaution.

Your boiler is having trouble communicating with an optional safety device, which is causing it to stop operating for your protection.