Medium
127 on Baxi 80e

Your boiler hasn't been able to heat the water to a high enough temperature to kill off bacteria in the system.

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

Legionella (cause of Legionnaires’ disease) protection temperature not reached

DIY fix possible

Check that your hot water temperature dial is not set too low.Ensure your boiler's timer allows enough time for the water tank to heat up fully.Try resetting the boiler to see if the cycle completes on the second attempt.

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Related fault codes

E125View →E110View →E193View →

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