High Lockout
E10 on Warmhaus Enerwa / Priwa

Your boiler has detected a fault with an auxiliary temperature sensor, which means the system cannot accurately monitor the heat levels in certain parts of the unit.

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

AUX output sensor error

What causes this fault?

This fault occurs when the boiler's control board loses communication with the auxiliary temperature sensor or receives an implausible reading. The most common reason is an electrical failure within the sensor itself, or damaged wiring that prevents the signal from reaching the main computer.

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

E 05View →E 15View →

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