Low
ALL 26 on Sime Murelle Elite HE 35T System

Your boiler's temperature sensor responsible for reading your solar water heating system is not working correctly, which may prevent your solar panels from contributing to your hot water supply.

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

S3 SOLAR PROBE FAILURE

From this model's manual
Verified against the Sime Murelle Elite He Combi installation & service manual, page 32.
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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