What does the Remeha 30. fault code mean?

Your boiler has shut down because the water is heating up too quickly or isn't circulating properly through the system.

How much does it cost to fix Remeha error code 30.?

Typical repair cost for the Remeha 30. fault is £150-450 including labour.

Check that all radiator valves are fully open

Max. water temp. Difference between flow and return temperature too high.

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.

7 signs repair isn't worth it anymore.