What does the Grant Boiler Fault Finding 10 fault code mean?

Your boiler is struggling to clear exhaust gases effectively when it tries to start, which can lead to smoke or fumes leaking out.

How much does it cost to fix Grant error code Boiler Fault Finding 10?

Typical repair cost for the Grant Boiler Fault Finding 10 fault is £150-350 including labour.

Fumes and puffing during starting (conventional flue). Check the condition of the chimney and air supply to the burner.

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

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Safety-critical — turn off, read this.

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