Medium
0E34 on Alpha FMK

Your boiler is struggling to provide hot water because its internal temperature sensor is giving an impossible reading.

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 out of range (measures a temperature outside normal working range.)

Engineer required

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

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