Medium
E430 on Baxi Performa

Your boiler has detected that the water pressure is incorrectly set or fluctuates too much, often caused by a temporary drop below the operating level.

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

Water pressure temporary test.

DIY fix possible

Check the pressure gauge on the front of the boilerIf the needle is below 1 bar, use the filling loop handles underneath to top it up to 1.5 barTurn the boiler off and back on to reset the fault

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Related fault codes

E119View →E118View →E130View →

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