EA Error Code - Worcester Bosch Combi Boiler

17 Sep 2014
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United Kingdom
Yesterday my WB Greenstar 37CDi combi boiler showed an EA error code and stopped working. I reset it and the run up code -//- displayed for a while then cleared and the boiler now seems fine.

Just before I noticed the error code we had run the washing machine on a super hot 90 degree wash to give it a clean out. The washing machine drain and the boiler condensate drain run together under the floor in the utility room before going out into the drain.

Is this just a coincidence, or would the boiler sense an over-temperature in the drain and trip??

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The EA fault will need diagnosing in the presence of the boiler. The symbol it came up with when you reset it is just a cycle the boiler goes through on first start up after having had the power to the boiler turned off or after a reset. It is just filling the condense trap and is perfectly normal.
EA is a catch all fault code... It means that the boiler failed to ignite.... If it did it just the once then live with it.. It may just need a service. If it does it frequently then it needs investigation.. by someone who has the kit to check it..

Had an EA this evening.... Thank Worcester for that
EA can be a real pain. Various solutions to this problem depending on it's cause. Not a great deal you can do as a user apart from press reset! You need a pro if it keeps happening. Wouldn't be right to tell a DIY enthusiast how to do that because of various safety/combustion checks which need to be carried out. That said Worcester are an awsome boiler!
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