High Lockout
F010 on Intergas Xtreme 24

Your boiler has detected a problem with its internal temperature sensor, which means it cannot safely monitor the water temperature and has stopped working to prevent damage.

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 fault S0.

What causes this fault?

This fault occurs when the boiler's main temperature sensor sends an incorrect or missing signal to the control board. The most common reason is that the sensor itself has developed an internal electrical failure, but it can also be caused by loose wiring or water damage on the sensor's connection points.

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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