Low
FE96 on Alpha Pro Tec 24

Your boiler is struggling to detect the outside temperature, so it is temporarily running on a backup setting to keep your home warm.

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

External sensor fault.

From this model's manual
Verified against the Alpha Pro Tec 24 installation & service manual, page 35.
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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