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  1. M

    ferroli optima 701 no ignition for pilot light, buzzing ry 4

    Thank you all very much for very useful info. I appreciate you taking the time. Restored all the faith in humanity lost to the consumer feeding frenzy going on at this time. It is the VMF7 board but will clean up contacts using methods suggested after checking the fan resistance while...
  2. M

    ferroli optima 701 no ignition for pilot light, buzzing ry 4

    I've noticed a buzzing sound when unit tried to ignite over last few days, noticed c.h. pressure was getting low. By the time I found the manual the pilot light was out too. Have topped up the pressure but now it wont light. Relay 4 (fan) buzzes every time. Dodgy relay? Forked fan? Something...
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