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Whats the best way to test the electrode that produces a small amount of current, i did put the m/mtr in amp mode, removed the F2 electrode from the pcb and put the red probe 2 this, I then placed the com probe on the pcb board and powered the boiler / i got 0 reading on...

B.O.B. you got a email / msn addy m8 ?

Will the fan / flue neon still flash if the flame sensor was at fault, never fired up at all while i have been tryin to fix except this one time

Hi i have reset the switch by turning anti clockwise and holding there for 3 secs + when i fitted the replacement board / think this is faulty.....................i have put the old pcb back and the boiler fired up and shut down after 15 secs. Can someone explain what contacts i need to test...

Hi my 50 degree fan / flue neon began to flash on Saturday .... flue not obstructed, fan tested and works ok, had a spare pcb and fitted this........RESULT....... flame failure neon and safety thermostat neon now flashing. The 50 degree neon has stopped????????? Air pressure switch faulty...