Low
40 on Grant Spira

Your boiler is currently busy feeding wood pellets into the combustion chamber to get the fire started.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

WAIT PRE LOAD BRAZIER: Initial loading of pellets into the brazier to enable combustion to start.

From this model's manual
Verified against the Grant Spira installation & service manual, page 57.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Avoid the next call-out bill

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