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Jul 17, 2020
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Hi

So this morning I was having a shower and suddenly my hot water went completely cold. I jumped out and had a look at my boiler. I noticed that the burner had stopped and the reset button was flashing red. The blue oval shaped light in the middle was on and stable (it was blue). I reset the boiler and went back into the shower only for the same thing to happen again 15 minutes later.

This has never happened before and I am concerned. I have contacted Bosch and they have no idea what could be wrong and have attributed it to an unknown fault. They told me that the blue oval light usually changes to indicate the type of fault.

My boiler's blue light has not changed. It simply cuts out and the reset button flashes red until I reset it.
Any thoughts on what could be causing the problem. Just recently managed to 30 minutes of use out of it before it cut out. Pressure reading is ok.

Happy to provide more info if required.
 

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