Mend > Home Heating Systems

worcester bosch 35cdi?

not working heating side comes on normally in morning and evenig no demand for it put it constant still does not fire up however fault indicated u9 which is not listed in manuel any one come across this fault and what is it

gabber
January 2008

Worcester 35cdi Heating, Home Heating Systems Worcester Bosch Demand

you have an overheat problem. the 'u' means 100 so display is showing 109 oC. possible no external by-pass on system. consult instaler.

andy
March 2008

What does the fault code EA mean? I keep re-setting it and it's fine for two minutes before cutting out totally.

Nicholas Sudbury
February 2008

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