High
11 on Potterton Performa 24

Your boiler has stopped heating because it is struggling to accurately measure the temperature of the water circulating to your radiators.

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.

What the manual says

Manufacturer manual

Fault on Central Heating Sensor

From this model's manual
Verified against the Potterton/Potterton Performa 24 installation & service manual, page 52.
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 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

E11View →E119View →

All 32 fault codes on the Performa 24

Seeing a different code? Every code this model can display, in one place.

1012131415232425262728293030° neon flashing313240° neon flashing50° neon flashing60° neon flashing70° neon flashing80° neon flashingBurner OnFlame Failureneon illuminatedNo neon illuminatedPower OnPreheat control neon flashingPressure of 3 or greaterResetSafety thermostat activatedTemperature Control

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