What does the Grant Grant Fault fault code mean?

Your boiler has detected a general processing error or a mismatch in the ignition sequence that is preventing it from heating your home.

How much does it cost to fix Grant error code Grant Fault?

Typical repair cost for the Grant Grant Fault fault is £120-£350 including labour.

Check that you have a sufficient supply of heating oil in your tank.

Fault Description

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.

Lockout fault with a reset-needed pattern.

Safety-critical — turn off, read this.