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  1. P

    greenstar 24ri banging noise on shutdown

    My 24ri boiler is four years old and has started making loud clicks and banging noises when shutting down. This after it was off for six months due to house rewiring and relocation of header tank. It does not happen every time it shuts down and was serviced by plumber in September.
  2. P

    Greenstar 37cdi misbehaving = cold Christmas

    Hi there, Just registered with the site in the hope that someone might be able to help. We've got a Worcester Greenstar 37cdi Combi hooked up to a Hive heating system. Up until yesterday, everything worked flawlessly. We've been living in this current house for a year, and I don't think we've...
  3. D

    greenstar junior 28i heating problem

    Got called to this boiler earlier for an issue with the heating. 2 of the 5 rads were luke warm at the top and the other 3 pretty cool. checked at the boiler which was set to max on the temp dial. Boiler sounded like it was full of air while the pump running. Tried to bleed the pump and when...
  4. C

    Worcester Greenstar 37CDi Combi Boiler - air lock in primary circuit?

    Hi I am new to this forum. I am having difficulty with my boiler (details above). It makes a loud buzzing noise that builds in intensity before suddenly stopping. It appears to be random in occurrence and having been next to the machine when it did this the noise appears to be coming from within...
    • CRHF
    • Thread
    • boiler combi combi boiler greenstar worcester
    • Replies: 3
    • Forum: Boilers
  5. SlimD

    Worcester Greenstar Ri HEADACHE!

    Hello, I'm hoping that some of you mosre experienced guys can help me. I qualified and got Gassafe this year and it's been a steep learning curve as I'm learning something new with every job . However, my in-laws Greenstar has me baffled. It starts to fire up but doesn't get past the 45...
  6. A

    Worcester Greenstar 35HE Plus

    Have a customer who's been having issues with the boiler going to A1 lockout, usually noticing the problem when using HW, mainly in the shower, running hot and cold. They've had WB out who have changed the gas valve and the plate HEX, also 2 thermistors. However, the major problem seems to be...
  7. M

    Worcester Greenstar 15 ri blowing internal fuse

    Hi, Attended this yesterday, with the internal fuse blowing as soon as it is switched on. I disconnected ALL the current draws from the PCB and still the fuse blows so it must either be the transformer or the PCB. As the transformer is available as a plug in item I was hoping some one can...
  8. jaydebruyne

    Worcester Greenstar 24i Jnr

    Never come across this before.. Boiler in demand for heating, sounds like running water from the bottom of the flue where it meets the condense trap, also a gurgling sound from the terminal (went to check for blockages). Condense run blocked? Boiler keeps locking out. Also, fan sounds like...
  9. H

    Worcester Bosch 37 CDi greenstar - code " -¦¦- " and loud vibrating noise

    We have just had our boiler serviced, after about an hour of having the heating on the display shows: -¦¦- and the boiler makes a very load vibrating noise which can be felt when touching the boiler. Our engineer wasn't sure what could have caused it, he will be back in a few days to take a...
  10. L

    Worchester Greenstar 28i pressure loss help required!

    Hello all, I'm hoping for some help in diagnosing an issue with our WB Greenstar 28i JuniorMK4 (installed late 2011). Over the last year the boiler had needed topping up every now and again, however in the last couple of weeks the boiler has been losing it's 1.5 bar over a 24 hour period, each...
  11. C

    Warning notice issued for new boiler Worcester Greenstar 30si - gas supply turned off

    I would be grateful if anyone could help advise/clear up thefollowing situation for me. I recently (May2016) had a new Combi Boiler (Vaillant Ecotec 835) fitted to my 3 bed 1.5bathroom house that has 8 radiators and no other gas appliances by 2 gasengineers who work for a very large (over 130...
    • Colin973
    • Thread
    • boiler gas engineer greenstar new boiler supply worcester
    • Replies: 10
    • Forum: Boilers
  12. A

    worcester greenstar 24i junior keeps turning off

    Hi, Hoping someone can help me, I have a Worcester Greenstar 24i junior that keeps turning off after about 30mins to an hour. From what i can tell it seem's to be on a timer if the big dial in the pics is a timer? When i rotate it and get to 4 O'clock it turns on. I have tried resetting it but...
  13. B

    combi Worcester greenstar heatslave 12/18 switching off

    I wonder if anyone can help me, thank you for reading. I have a 7 year old internal combi Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water temperature control and Central heating temperature control dial both marked from 1 to 6. The minimum and maximum ranges of...
  14. Super Mario

    worcester greenstar ri no hot water

    Unvented System boiler im guessing its either the programmer or 2/3 port valves heating all ok though any ideas??
  15. K

    Worcester Bosch Boiler Course - Greenstar Compact Combi (Cdi and SI)

    Hello there, Has anyone any comments on the Greenstar Compact Combi (Cdi and Si), off to Worcester in a few days? to attend the training course.
    • kennymoly
    • Thread
    • boiler bosch combi compact course greenstar worcester worcester bosch
    • Replies: 4
    • Forum: Boilers
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