Medium
LED 2 (A) on Ferroli Hawk II

Your boiler is failing to detect that you have turned on a hot water tap, meaning it won't fire up to heat the water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

D.H.W. flowmeter (136) not operating.

Engineer required

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

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