High Lockout
E11 on Remeha Quinta 115

Your boiler's internal computer has detected a fault with one of its built-in temperature sensors, causing the system to shut down for safety.

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

Sensor error (internal)

What causes this fault?

This fault occurs when the boiler's control system receives an incorrect or missing signal from its internal temperature sensors. The most common reason is a physical failure of the sensor's internal components or a loose connection in the wiring that prevents the computer from monitoring heat levels safely.

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

E06View →E12View →

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