Recent content by tonymaloan

If it helps, the the fan switching is controlled by the motherboard, when a tap is opened or heat is called for it starts the fan , flue pressure switch is made so pcb sequences the gas valve opening. so if all external switches are off the PCB fan switch must be at fault to run the fan...

Hello, this was my partners daughters boiler and she has no money, I suggested she either got a gas tech in, but that would cost £80 ?just for an opinion, or let me fit a recon PCB for the same price which would prove my diagnosis one way or another. A Vokera PCB is about £230 fitted and they...

Hello I wonder if anyone can offer any advice. My usually good 3 year old combi suddenly refused to run, from power up with mode switch on off, it starts the fan and I hear the APS click, at the same time LED flashes red/yellow 4 times before going solid red. I have checked water...

Hello again, Thanks for the tip Agile, I didn't know about the difference in the firing methods, my modena has 2 boards labeled MF02, the P4 pot is the minimum pressure and it is on the small ignition pcb. Manual covers it ,(pages 23/24) but it doesn't seem to make any difference. Your...

Hello, I wonder if anybody could give me a bit of advice, my Modena is 10 years old and has been giving a little trouble recently, locking out when DHW is turned on. Yesterday it has developed a new fault, DHW is working fine, but when CH tries to light it is going through the motions, ie...

Before the Corgi scaremongers frighten you to death, have you checked xxxxxx fan xxxxxxxxx It is worth a try, the Biasi is a good little budget boiler [Sorry, please don't advise DIY work in gas/air/controls parts of boilers. Secondary heat exchanger is OK & that's where this problem...