High
F14 on Ferroli iBoiler 24

Your boiler's internal thermometer has stopped working correctly, which means the system cannot safely monitor the temperature of the water flowing 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.

Technical description

Flow sensor error – t-sensor damaged, short circuited, sensor damaged or wiring broken

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

F10View →F11View →F15View →

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