Question about Bosch Water Heaters
New board fitted after speaking with worcestor tech help line . Boiler fired up ok . next day after the boiler had been on a while and heated up the house the fault light started to flash . Pressed reset and boiler fired up . This then happened a second time .
Original fault was the fault light was flashing 4 times per second , the boiler would fire up the fan would start then slow down and then stop . There was only 110volts from the board to the fan , this was why the technical helpline said that it was a board fault .
Prior to writing the above fault I had asked the owner to turn the boiler temp controller , for the heating side, down just a fraction . I was phoned this morning to tell me that the boiler had stayed on allnight with no fault light . After consulting with the plumber who fitted the system it appears that there might not be a room stat ,
Posted on Dec 01, 2008
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Posted on Jan 02, 2017
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