Medium
LED 2: 0 on Ferroli Optima 201

Your boiler is not detecting when you turn on a hot tap, meaning you will likely have heating but no hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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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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Related fault codes

LED 2: 1View →

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