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  1. S

    ferroli 901 optima fan not running on full speed

    i stripped out the PCB and inspected the fan relay more closely, and removed top cover. the contacts are as blackend and charred as a drunken fry up. cleaned contacts and repositioned backed off contact, refitted board and nothing! no fan waggled relay and fan cut in :lol: so therefore its got...
  2. S

    ferroli 901 optima fan not running on full speed

    is the 901 the same system as the 701 optimas
  3. S

    ferroli 901 optima fan not running on full speed

    i have just check it again switched ch on and noticed the fan relay buzzing its head off, i also searched the previous questions and come accross a previous prob with a ferroli 701 i thnk vestnpants replaced the board and it done the trick!
  4. S

    ferroli 901 optima fan not running on full speed

    i would just like to add the pump is running fine the board is not reporting any faults via the LEDS! its doing my head in bloody italian boilers!
  5. S

    ferroli 901 optima fan not running on full speed

    I have just replaced the ch press relief valve on my Ferroli 901 optima. refilled system, switched on central heating to perminent and the fan will not run on full speed, checked the pcb fan relay is swiching over to full but no voltage to fan, i suspect board fault, is there any thing that i...
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