Low
50/70 on Grant Euroflame Condensing

Your boiler is displaying a specific configuration code rather than a fault, indicating it has been set to run at a specific power level.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Model and Heat Output (kW/Btu/h) - 15.1 (51 500) / 18.1 (61 750) / 20.7 (70 600)

From this model's manual
Verified against the Grant Euroflame Condensing installation & service manual, page 8.
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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Boiler cover options

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