Discuss baxi 105e no pre heat. in the Plumbing Jobs | The Job-board area at PlumbersForums.net
thats what i thought,i'll test for 240, if coil not energizing and remaining shut,will the complete gas valve need replacedcheck that you have 240v across 2 and 4 on a1 on the pcb, this is the connection for the gas valve coil, if its sparking the coil should be open allowing gas through.
what resistance should i be looking for.It depends on the model desrob. At some time, I think it was the HE but may have been on the 105E instant too, they introduced a wave converter in the molded plug of the gas valve. To be certain check the coils on the valve for resistance IMO
yeah no problem,point me in the right direction,and hopefully i'll do the rest.thanks as always.Well you're always loking for some, better than none at all ... lol Usually you'll find infinate or there abouts if there's a problem .. If the valve has 5 prongs then the middle one's the earth and the two either side are individual coils if I'm not mistaken! I'm talking in generic terms here Desrob not specific to the boiler you may have yeh
yeah no problem,point me in the right direction,and hopefully i'll do the rest.thanks as always.
i mentioned the pre heat, as when 105e are mentioned the normal response is to ask whether it's the pre heat model or not,mine has not got the pre heat function,i can't seem to get my head around the start up sequence,at what point does the gas valve open.?Reason I quiery the valve is that you mentioned "pre-heat" That was introduced on the 105e combi instant and then the HE. I'm nearly sure they involved the wave converter plug? maybe someone else here can confirm or reject that? I carry a lead as stock to rule it out to be honest
i mentioned the pre heat,
flashing no flame light,i have a good spark,this is what makes me think the gas valve is not energizingGas valve opens once the pump and fan have been established and the boiler temp is below what the thermostat's are set at! IF you're getting no spark then check resistances throug the pump flow switch as well as the APS... Any flashing lights on the front?
Reason I quiery the valve is that you mentioned "pre-heat" That was introduced on the 105e combi instant and then the HE. I'm nearly sure they involved the wave converter plug? maybe someone else here can confirm or reject that? I carry a lead as stock to rule it out to be honest
your gas valve has failedflashing no flame light,i have a good spark,this is what makes me think the gas valve is not energizing
yep all now use the converter plug
i did, but your right in mentioning it as some times the obvious is forgoten about,great advice there lads, i take it desrob you have checked gas supply and that the gas valve isolation tap is open not trying to teach you how to suck eggs mate but sometimes we jump in at the deep end
ok poxi, i'll do that.Make sure Min and Max BP`s are set up or you will cook her
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