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Discuss Boiler not firing up in the Central Heating Systems area at ElectriciansForums.net
Yes it was vibrating lightly and I could hear water running through it and it was slightly warm, I did heat the tank with the immersion heater earlier, not sure if that matters
I'll call him out tomorrow, I appreciate the help, thanks
I'll call him out tomorrow, I appreciate the help, thanks
more than welcome if you wouldnt mind coming back with what was wrong also that would be ace
Thermocouple Goosed
What controls the Gas flow then?
what for ignition
call
fan runs
gas valve opens
pilot lights
main burner lights
missed a few steps for safety but you get the idea
carbon dust on ht lead can course this it course it to track out to the casing
What senses the gas when the pilot ignites to allow the main burner igniting, that was / is my concern.
you get flame recognition across the electrodes ac currant coming from the pcb when rectified across the electrodes go back to pcb dc currant
answer the jets are blocked on this .![[ElectriciansForums.net] Boiler not firing up](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/41/41274-8a51cce0ed0356b42c97f587f73e6470.jpg "[ElectriciansForums.net] Boiler not firing up")
had that quite a few times can of air duster and a bit of wd40 usally sorts it out
Sultanas!!
corrected that for you.
corrected that for him.lol.
naa never unless your hot boiling to get the gravity hot water working
Hi, just an update, I waited until my regular boiler repair man came back from holiday so he's just been this morning.
It was a blocked injector which he's cleaned up and got it working again, he's also serviced it as it was due one.
Great price too, barely more than he charges for a normal service
It was a blocked injector which he's cleaned up and got it working again, he's also serviced it as it was due one.
Great price too, barely more than he charges for a normal service
Just on the subject of flame rectification...i got to talking about this process,with a heating engineer pal,and he said the boiler manufacturer he was accredited for,just had a simple set of tests,to identify a rectification issue - then they replace the assembly.
He wanted to know the method of it's operation,and if each step could be tested.
I did this with him,and on the strength of it,he has purchased an AVO 410 Megger multimeter,which is what i used,in the demo
He wanted to know the method of it's operation,and if each step could be tested.
I did this with him,and on the strength of it,he has purchased an AVO 410 Megger multimeter,which is what i used,in the demo
Just bumping this one again.
The boiler broke down again, had my regular repair guy out, it was the thermostat that had gone, he came yesterday and fitted a new one.
All working fine though now it keeps firing up a lot more like every couple of minutes. I spoke to the repair guy who basically said it was nothing to do with the new thermostat, see how it goes, it's a 20 year old boiler etc, wasn't really bothered as it's working.
Any ideas why it would be doing this? thanks
The boiler broke down again, had my regular repair guy out, it was the thermostat that had gone, he came yesterday and fitted a new one.
All working fine though now it keeps firing up a lot more like every couple of minutes. I spoke to the repair guy who basically said it was nothing to do with the new thermostat, see how it goes, it's a 20 year old boiler etc, wasn't really bothered as it's working.
Any ideas why it would be doing this? thanks
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