Post by battle1066 on Nov 20, 2017 18:55:43 GMT
Had a free standing Potterton MF with an intermittent fault to fix similar to this fault:- (videoed below not mine, just the only reference I could find anywhere).
If if you get one its a failing motherboard PCB
Original part number 402561 replaced to 900312
If if you get one its a failing motherboard PCB
Original part number 402561 replaced to 900312