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MIs

View the thread, titled "MIs" which is posted in UK Plumbers Forums on UK Plumbers Forums.

E

eddiebrown424

HI all

Having a spot of bother with a boiler and cant get the MIs even with the GC number. I dont know if its me but the layout of the boiler looks different on the paperwork thn it does in the boiler. The fan is to the left of the burner but in the MIs its on top. GC nuber is 47-406-56 Greenstar 281 Junior. Apparantly worcester had some made in Turkey as they were so busy. Boiler initially was tripping all the electric in the kitchen when switched on at the spur traced this to a faulty pump so changed this. All ok when switched on at the spur but fan did not run, 230 v at fan advised by Worcester to change fan so did. this did not solve the issue and i was then told that the initial shorting of the pump may have damaged the pcb which in turn had wrecked the new fan. Current situation is

Switch on boiler and fan runs at low speed. (with no call for heat or dhw)
Call for wter fan speed picks up and boiler trips.

I have checked the overheat stat (ntc) and there is continuity and zero resistance so i figure it needs changing. Would this impact on the firing sequence in the way described above or is there a way to check the pcb.

Thanks

Eddie
 
Not sure about checking a pcb but doubt it, is the boiler still in warranty?

could get WB out on a fixed rate repair?
 
This like the one you have ?

image.jpg

Worcester do do a fixed price repair so might be worth going down that way
 
Last edited:
Hi ch4

thanks thats the one is it the same gc no. I ws getting a different manual....

Eddie
 
Thanks all

I could only find the customer copy for the junior which apparantly has the same GC no as just the greenstar which was all i could find on service installation and commissioning part of MIS. You think the two different models woukd have a different GC no der. Thanks ch4 I know what you mean about getting Wb out on a fixed fee and think that might be the way forward but it is bugging me as to what could be the issue.

Eddie
 
i wouldnt mind some pages shaun do you subscribe to a site tht supplies them or was it a google search.

Eddie
 
thats it, looks ok then, the old beast survives but has a g4 terminal ting that needs swapping as its slightly failed flue test!!
it is a refurb property so looking to save £ but the resale price means someone will qualify for a boiler grant.lol

be a bit heavy on gas but with checks will survive longer than these new things by a long shot
 

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