Baxi Solo 2 50 PF

[nigeltlr]

Hello

Regarding Baxi solo 2 50 pf, the fuse on the circuit board blew and the boiler would not work, changed the fuse but blew again, checked out the fan etc. nothing obvious so bought a new circuit board, put this in and it works but... the boiler fires and runs for about 60/70 seconds and then stops, flames go out, then after another 60/70 seconds boiler relights and works. This cycle keeps repeating, the hot water is extremely hot and the radiators are starting to get warm, therefore when its on it must be working fine. Question is what keeps making it stop?, the overheat light is not coming on, fan is turning freely, no noises or anything obvious going on. We have 2 number pumps on the system and I suspect one may not be working as can't feel any vibration or hear any noise but would this shut the boiler down, any help appreciated

Thanks

 

[gas4you]

Check your pump. This is wired into the pcb and can cause the pcb fuse to blow.

 

[nigeltlr]

Dave

cant say I understand why it would be the pump but after checking became quite convinced one of them wasn't working, decided to try it and been to buy another, put it in and hey presto, heat and much happiness, thanks for the advice

nigeltlr