What does the Grant Red neon fault code mean?

Your boiler has switched itself off because it has reached an internal temperature that is too high, preventing potential damage or safety issues.

How much does it cost to fix Grant error code Red neon?

Typical repair cost for the Grant Red neon fault is £80-200 including labour.

Wait for the boiler to cool down completely (at least 20-30 minutes).

Safety overheat thermostat has operated and automatically switched off the boiler in the case of a control malfunction causing overheating.

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.