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Mend Drayton LP522 Heating Thermostat Digistat

Mind of its own .. Dratyton Digistat +1, Digistat +1RF And Lifestyle ?

Hello
Can anyone please help me, I'm having problems with my heating I have a Dratyton Digistat +1, Digistat +1RF And Lifestyle LP522
It seems to have a mind of it's own somtimes it works and somtimes it dont.
I have the lifestyle LP522 switched on to con and I have changed the batteries on the Digistat +1 RF (and reprogramed it to the SCR), the temp shows 19 but i want 21 it has a flame on it showing its calling for heat, and i have a green light on the Digistat SCR and still the heating does not kick in ... the water is fine heating up ok
Some time will past then all of a sudden the heating kicks in but then after a while it switches itself off again without it reaching the temp i want ... Its like it has a mind of its own its doing what it wants, this just repeats like this, not very relibable.
I have seen on this site that it maybe the capacitor on the SCR
Is this my issue or do i have bigger problems ???
Please help any advise will help.

Steve
September 2012
DraytonDrayton LP522Heating, Home Heating SystemsHeating Thermostat Digistat
It's the classic SCR fault:
Green light comes on, no heating, however your hot water is fine.

You need to replace the capacitor in ur SCR

if you search for "Drayton SCR part" on eBay, you will find me, I am the eBay seller 'bearsy72' , for just a few quid I can send you the part you need and full installation instructions / pictures, should only take 15mins to change.

You will need a soldering iron to complete the fix, if you don’t have one then send the SCR to me and I can change it for you for just a few extra quid, still way way cheaper than shelling out for a new system.

email me at
bach.dai1970 (at) gmail.com

I had to go to eBay as it is easier to keep track of the shipping, feel free to email me direct using the above if you prefer not to use the auction site

Thanks and hope to keep you all warm

Dave Cardiff
November 2012

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Drayton LP522 Heating Issues - Help!