Medium
E00 on Worcester Bosch 26 CDi Xtra

Your boiler has detected trapped air inside the system that is preventing the water from circulating efficiently.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Automatic Air Vent

From this model's manual
Verified against the Worcester Bosch 26 Cdi Xtra installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check your boiler pressure gauge and ensure it is set between 1 and 1.5 barBleed all radiators in the house starting from the ground floor and moving upwardsTop up the boiler pressure again if it has dropped after bleeding the radiators

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