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Hi. Have the above and was wondering if anyone could give me any ideas. The pump runs but the fan doesnt kick in. Both green lights flashing and then after a few seconds, the red light comes on and it then locks out. Any ideas will be appreciated. Thanks in advance.

hi. i have a biasi m90e 24s and the burner wont fire up. It runs through the sequence and then it locks. I push the reset button and it does exactly the same again. do you have any idea what is the problem. The fan is working, the pump is working and air pressure switch is working. it sparks but...

Yes I have searched and thought it was something to do with the diverter valve but the symptoms arent the same so was wondering which part of the diverter valve? thanks for getting back so soon.

Hi. I have a biasi 24s that has no hot water. when I turn on the hot water, it stays cold but the rads get hot. Can anyone give me an idea and how to solve this. thanks