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My greenstar 25si/30si burner light is not coming on after a long power cut

We have just had a 3 days without electricity and now cannot start up my mother's greenstar 25si/30so LPG comb boiler. The burner on indicator light does not stay on and mains on/off indicator+fault light starts flasing after a short time. Do you have any idea what the problem is?

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: worcester bosch greenstar 25Si?30Si pressure gauge showing high

a couple of things , is your filling loop disconected ? , and are all your radiators blead from air, have you got a high point where the air can get stuck in system say pipes going into roof etc you may need to fit a air release valve in line at highest point to remove the air from system , your boiler should be around 1.5 bar running preasure average setting . if you are constanly filling with water you could be exceeding the pressure valve limet which releases pressure from system this could be faulty ?

Posted on Feb 05, 2009

  • 145 Answers

SOURCE: We have no pressure on our Greenstar 25Si/30Si

YOU NEED TO CALL THE MAKER

Posted on Jan 08, 2010

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1 Answer

Greenstar 30si


this is your safety valve letting by first try and check ur pressure bladder shud b 28lbs squr inch if it isnt pump up to 28 what happens if the bladder has no pressure then the water has no were to go but out through to pipe water expands when hot and thats why un have to top up the other problm is safty valve worn out needind replacment hope this helps u Susan

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When spark start and burner lights up and spark finish gas cuts off (cut off valves) and burner stops . Why is that.


Hi there may be a number of factors involved with this appliance,
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2. there may be a blockage or partial blockage in your gas supply.
3. water may have entered the casing and got into the electrical componenets of burner jets
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Aug 02, 2009 | Water Heaters

2 Answers

Worcester bosch greenstar 25Si?30Si pressure gauge showing high


a couple of things , is your filling loop disconected ? , and are all your radiators blead from air, have you got a high point where the air can get stuck in system say pipes going into roof etc you may need to fit a air release valve in line at highest point to remove the air from system , your boiler should be around 1.5 bar running preasure average setting . if you are constanly filling with water you could be exceeding the pressure valve limet which releases pressure from system this could be faulty ?

Feb 02, 2009 | Water Heaters

1 Answer

Gas water heater burner wont stay lit


This is a major problem with Kenmore power miser 6, 9, and 12's - we purchased a Power Miser 6 in Nov. 2006 and have had 5 service calls in two years - we are on our 6th call now - Go to http://baheyeldin.com/technology-in-society/mistaken-identity-help-with-kenmore-water-heater.html or Complaintsboard.com and you will see multiple complaints on these models. We had Sears out days after we purchased the water heater, and had parts replaced, then more problems in April 2007 - It worked ok until Nov, 2008 and now it has gone out 3 times. We were told it is lint collecting on the screen that sits under the burner (difficult to get to) - we made a vacume attachment out of PCV pipe (like the one the repairman had) and vacumed the screen when the pilot light wouldn't stay lit - that is what they told us was the problem - but this time, the vacuming isn't working - Ash also builds up on the pilot light burner which has to be removed - you can't replace the thermal coupler without replacing the entire burner unit in this model - In short, if you can get your money back and buy a more reliable model, do it! Sears sold us a maintenance agreement after they had come out 3 times ($290), and still we go for 2-5 days without hot water waiting for them to come out and not fix our water heater. They also told us we should build a platform elevated off the floor to increase oxygen and decrease dust - funny our last model was still working at over 10 years and never had an issue in the same location! Sears installed the water heater, and should have installed it on a platform if that was what was needed. Also, there was no warning about having to vacume the screen (UNDER the heater - very difficult) - when we purchased this model or we wouldn't have bought it - Kenmore water heater repair line now tells you to try scrubbing the screen - but who wants to do this every month??? I can't tell you how inconvenient this has been - Looks like there was a class action suit against LOWE's which included the AO Smith water heaters (which is who built the power miser heaters) - no class action suit yet against Kenmore - This has been a nightmare and at the websites I listed, you will see many more such complaints, and some creative solutions...but I doubt any will work for long. Good luck.

Jan 14, 2009 | Water Heaters

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