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E9 fault on display,no hot water.What to do?

On my 532i boiler there is a code e9 flashing and no hot water.What to do?
Tomasz, November 2013
is the pressure gauge between 1-2 bar?.If not top up
is circulation pump working?.if not see if it is seized
check wiring to safety stat
test safety stat and replace if faulty

A1, November 2013