Hello - hope you can help
I have the above boiler and today both the red and yellow lights are flashing together. The fault finding sections tells me it either the air presure switch, fan or pcb
Can anyone advise on how best to find which item is at fault?
I have the above boiler and today both the red and yellow lights are flashing together. The fault finding sections tells me it either the air presure switch, fan or pcb
Can anyone advise on how best to find which item is at fault?