Hi
very new to this just signed up today but got some good info in the past and am here to help if I can got 25 years in the building game from small works upto project manager for one of the UK's biggist house builders now working for myself after being made redundent 2 years ago im from a plumbing background but also trained and have a good knowledge across the board but this boiler has beaten me tried all the fault finding digrams been back to front but this problem comes and gos boiler lights go's out sometimes after 10 mins sometimes arfter 10 seconds fan keeps running boiler lights again checked all the normal APS micro switches fan pump thermostats, changed the flame sensor and lead had this problem on a Main 24 HE same boiler diff badge but still the same problem a intermittant fault screw the front on and it wont fire at all drop the front and sometimes it will fire ask call for heating and it fires up turn thermostat too off demand hot water and boiler fires back up then cuts out 1 of the fault finding charts says check for 230v between terminals 37 and 38 on the pcb ony get 205v 206v there not 230v but cant find out flame failaure light comes on and stays on when boiler shuts down HELP im baffaled
very new to this just signed up today but got some good info in the past and am here to help if I can got 25 years in the building game from small works upto project manager for one of the UK's biggist house builders now working for myself after being made redundent 2 years ago im from a plumbing background but also trained and have a good knowledge across the board but this boiler has beaten me tried all the fault finding digrams been back to front but this problem comes and gos boiler lights go's out sometimes after 10 mins sometimes arfter 10 seconds fan keeps running boiler lights again checked all the normal APS micro switches fan pump thermostats, changed the flame sensor and lead had this problem on a Main 24 HE same boiler diff badge but still the same problem a intermittant fault screw the front on and it wont fire at all drop the front and sometimes it will fire ask call for heating and it fires up turn thermostat too off demand hot water and boiler fires back up then cuts out 1 of the fault finding charts says check for 230v between terminals 37 and 38 on the pcb ony get 205v 206v there not 230v but cant find out flame failaure light comes on and stays on when boiler shuts down HELP im baffaled