What does the Ideal L A fault code mean?

Your boiler has detected that it is running much hotter than it should be and has switched itself off to prevent internal damage.

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

Typical repair cost for the Ideal L A fault is £120-250 including labour.

OVERHEAT ERROR / WATER PRESSURE SWITCH (Occurs when boiler is hot)

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

Almost always a stuck diverter valve on combis.

Each noise points to a different fault.

Work through these before the call-out.