Medium
LED 2 (C.H.) on Ferroli Optima 201

Your boiler mistakenly thinks you are running a hot tap because a sensor is stuck, which is preventing your central heating from turning on.

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

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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Related fault codes

LED 1View →LED 3View →

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