Medium
H.01 – .21 on Baxi Eco Elite

Your boiler is stopping itself because the water is heating up too quickly, which usually means the hot water isn't flowing through the system properly.

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

Temporary error – flow temperature increasing too fast in domestic hot water (DHW) mode, insufficient circulation or sensor error.

DIY fix possible

Check that your main water stop tap is fully openEnsure all isolation valves under the boiler are in the open positionSwitch the boiler off and back on again to see if the temporary fault clears

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Related fault codes

E110View →E160View →

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