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Mend Worcester 30Si Boiler Radiator Greenstar

Flashing blue light Greenstar 30Si?

Hi, We recently had a radiator moved and since this, the blue light on our Worcester Greenstar 30Si is flashing fast. We have tried all the suggestions like turning everything off and re-starting, pressing the re-set button, there are no other lights on and neither is the pilot light. The boiler is programmed through a wireless system, and I have re-set and checked that all that is in order. Many thanks for any suggestions, this seems like a fantastic site judging by the comments left, great to keep as a favourite for the future. Thank you.

Steph
May 2012

Worcester Worcester 30Si Heating, Home Heating Systems Boiler Radiator Greenstar

Did anyone find an answer to this problem? I've just got the same thing occur tonight.

Andy P
April 2017

worcester greenstar 30si
GCN 47-311-85
blue light fast flash
[lockout reset light not lit?]
installation manual
page 58
volatile lockout
the next step would be to check
is the pump spinning? can normally hear/feel it YES/NO
is the fan spinning? YES/NO
checking the fan is going to be difficult without taking boiler casing off [very tricky to refit]
if fan is not spinning would have to test power to fan

manwithnoname
May 2012

thanks for info - have checked water pressure is above 1 bar, still flashing though but thanks very much for help

Steph
May 2012

Check pressure, if below 1 bar increase using filling loop, which will be near to boiler

SD
May 2012

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Worcester 30Si Flashing Blue Light - Help!