Low
LED 2 (B) on Ferroli Hawk II

Your boiler correctly detects that a hot water tap is currently running, so it is firing up to provide you with hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Hot water tap open - D.H.W. flowmeter (136) contact closed

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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