High
E26 on Ariston Bravo 24 MFFI

Your boiler has lost the ability to accurately measure the temperature of the water being stored for your taps, causing it to stop heating water to prevent a potential malfunction.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Tank sensor short circuit

Engineer required

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

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Related fault codes

E25View →

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