What does the Baxi 2 red flashes fault code mean?

Your boiler has become too hot and has shut itself down for safety, which is why your heating and hot water have stopped working.

How much does it cost to fix Baxi error code 2 red flashes?

Typical repair cost for the Baxi 2 red flashes fault is £120-350 including labour.

Ensure all radiator valves (TRVs) are fully open and not turned to zero.

Boiler overheat tripped

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Each noise points to a different fault.

Sludge build-up — needs flushing, not bleeding.

Almost always a stuck diverter valve on combis.