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Mend Siemens RWB9 Problem Hot Morning

Siemens RWB9 Timer Problem?

Hi.

I have my Siemens RWB9 timer set for Hot water to come on for an hour in the morning. (Summer Time)

The problem is the timer switching on the HW every night at 8pm for a number of hours. I think it's coming on again during the early hours.

What is happening?? I only have the timer set for 1 hour in the morning.

Thanks

Iain

Iain
July 2009
SiemensSiemens RWB9Heating, Home Heating SystemsProblem Hot Morning
Hi Natalie, I have the same problem. Did you manage to solve it?

Jean
December 2015
I have tried to reset my RWB9 boiler, but after i have pressed reset, i have found the clock to be flashing and no buttons are working on the panel, its also stuck on 12.00.

Natalie
June 2011

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