Medium
06 on Alpha E-Tec 24

Your boiler is struggling to accurately measure the temperature of the hot water it is attempting to heat for your taps and shower.

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

DHW sensor resistance value is incorrect

Engineer required

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

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Related fault codes

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