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My worcester bosch bolier making very strange vibrating noise 30 cdi?

My worcester bosch boiler is making a very strange noise almost vibrating to the extent that it is going to blow!have no hot water or central heating and errror code is EAplease help as I have elderly person living at home in the freezing weather!
salma, December 2010
Hi Salma,

I had exactly the same problem:

Check out the answer here:
http://www.howtomendit.com/answers.php?id=387128

I've had to empty the reservoir thing 3 times now, but it works :)
All the best,

Catherine, December 2010
sounds like you need to top the system pressure up

Paul the Gasman, December 2010
link Click here to see other fixes for Worcester.