What does the Ideal H A fault code mean?

Your boiler has detected that it is getting too hot and has automatically shut down to prevent any internal damage.

How much does it cost to fix Ideal error code H A?

Typical repair cost for the Ideal H A fault is £150-300 including labour.

Overheat condition (check if ALL radiators have thermostatic radiator valves fitted)

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.

Work through these before the call-out.

Lockout fault with a reset-needed pattern.