High
INSUFFICIENT WATER on Ariston Genus 27

Your boiler has stopped working because the water pressure inside the heating system has dropped too low.

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

L.E.D. indicator light on. Possible causes: air in the system, check main circuit flow switch operation, check pressure on water gauge and fill system to 1 bar.

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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