Medium
D.h.w. operation on Biasi Riva Compact 24S

Your boiler is currently providing hot water but ignoring heating demands, or it may have a sensor glitch causing it to stay in hot water mode.

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

Lamp 2 ON (or Lamp 4)

DIY fix possible

Check all hot water taps are fully turned offEnsure there are no dripping taps or leaking shower headsTry resetting the boiler by turning the selector knob to 'R' for five seconds

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