Medium
DHW FLOW SWITCH on Baxi Combi Elite

Your boiler thinks a hot water tap is turned on even when all taps are closed, which prevents the heating from working correctly.

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

Switch blocked or lack of continuity across W on 5-way connector when taps are off.

Engineer required

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

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