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greenstar

  1. B

    Boiler Greenstar 30CDi return pipe cool but display says 70 - 80 degrees.

    Vented system, Worcester Bosch 30CDi, NEST control. Radiators not getting hot, or takes hours. Wanted to ask if below is a good indicator of a technical problem, rather than looking for blockages etc etc. The boiler is cycling from 45 degrees, climbing quickly (a degree a second) to 50 where it...
  2. KarlAtkins

    Air trapped in Worcester greenstar 15ir

    Hi, need help asap as family freezing and now no hot water either. We recently had an air lock in the boiler which was cleared by a professional, on Friday morning we woke to no heating or hot water again and so arranged for some plumber to come back on Saturday to investigate, he didn't show...
  3. J

    Intermittent EA fault on on Worcester Greenstar 38 CDi GC 47-406-38

    Hi Can anyone help? I've got a problem with an intermittent EA fault on a Worcester Greenstar 38CDi Classic GC 47-406-38. I was called out to it but couldn't get it to go to fault- each time it fired up however, on a video the customer took he kept having to reset it. I checked the gas rate...
  4. G

    worcester greenstar camray utility 12/18 oil boiler water not hot enough

    I have a worcester greenstar camray utility 12/18 oil boiler and we have not used the hot water for years on the boiler we use it for just heating as we have electric shower and dishwasher etc. This year we thought we would use the hot water, but on turning the hot water on it only heats the...
  5. Christopher buzzard

    Worcester Greenstar Heatslave 18/25 oil boiler.

    Hey. Fairly new to oil. Serviced above boiler Last week. All working fine but now had customer call to say it keeps going to lockout. Been and looked today. Symptoms are the boiler ignition process will start. You can hear it sparking. The boiler will fire, run for around 1 min and flame will...
  6. M

    Opinions Re: Worcester Bosch Greenstar 30i Combi

    Hi, would welcome some advice/opinions please. I currently have a Remeha Avanta plus 28c (combi) which is 11 years old, still working in a fashion but beyond economic repair. I have the opportunity to have a Worcester Bosch Greenstar 30i (Combi) installed using the boiler grant scheme...
  7. G

    Worcester Bosch Greenstar 24i Junior cuts out during use with reset button flashing red

    Hi So this morning I was having a shower and suddenly my hot water went completely cold. I jumped out and had a look at my boiler. I noticed that the burner had stopped and the reset button was flashing red. The blue oval shaped light in the middle was on and stable (it was blue). I reset the...
  8. J

    Worcester Greenstar 24i. Junior. Hot then cold.

    If the bath top shower is used by turning on the cold tap first, then the hot supply, it will give a consistent short shower, but that is getting shorter day by day before it goes cold. If the hot is turned on first, then the cold, that will result in domestic supply going cold within a few...
  9. P

    Greenstar heatslave 2 query

    I am looking to fit a central heating system to my home which has none at present. I like the look of the greenstar heatslave 2 external oil combi. I would like to manage room heating with TRV’s and the Bosch easycontrol smart System. I am struggling to find anything definitive from Bosch that...
  10. M

    Worcester Greenstar 24I Hot water problem

    Hi there hope you guys can help me, the boiler in my rental property has stopped giving hot water, i.e. now water at all. the central heating works fine, cold water works fine, but when i turn on the hot water i get nothing no water at all. look forward to tour suggestions. Many thanks Martin
  11. J

    greenstar 24i expansion vessel hose

    I have removed an old expansion vessel from a Worcester greensatr 24 i. I am now trying to reconnect the hose but I am having great difficulty. Its so tight inside the fitting. Is there an easy way to reconnect it? Thanks
  12. W

    WB Greenstar 30 cdi problems

    Hello Experts My boiler has had a loud foghorn noise on firing for a few weeks which seems to be combustion gas mixture related from my googling. Video of identical.issue here : View: https://youtu.be/YVfocgktEqg There is also a smell of fumes when the noise happens. However there is can...
  13. T

    Worcester Greenstar 30CDi info please

    Hi Is the Eco button for the heating of the radiators, or the domestic Hot water? The reason i ask is there is also an E setting on the Hot water control Knob. When i had a Baxi(old house), the domestic hot water always had priority. which seems logical. How does a worcester bosch handle it...
  14. U

    Worcester greenstar 30 - wont start after bleeding radiators

    Ive just moved into a rented property and some of the radiators were very cold at the top so I bled the radiators. The boiler lost pressure and switched off. I've repressurised the boiler to 1.5 but the controller on the boiler is completely off and I have no idea how to turn the thing back on...
  15. davidw

    Greenstar Condensing Boiler 24 Ri big enough for job?

    We've just moved into a house with the Greenstar condensing boiler. It seems to be struggling a little in that if you're running a bath and someone puts the dishwasher on then it's as if it can't cope. We've come from a combi Boiler and this seems a little ropey in comparison. Maybe I'm...
  16. J

    Greenstar junior 28i

    Guys help needed..... greenstar 28i junior...... I can hear it spark but burners don’t come on, then goes to ignition lockout....inlet pressure 22mbar it does not move at all when it’s sparking... gas valve resistance 390 ohms top solenoid 190 ohms bottom. In sparking voltage to gas valve 10vdc...
  17. S

    Where do I repressure my greenStar 35 CDI?

    Hello, I've just bled my loft radiators and now boiler is low pressure. On looking under boiler, I don't see any obvious key or valve. Any suggestions? Picture of under boiler: Picture of pipework: Any help, much appreciated.
  18. J

    Worcester Bosch Greenstar Combi Anti Cycling

    Acquaintance has problem with a 5 radiator zoned system which takes ages to heat up. The boiler (don't know output) fires up normally and after ~ 20 minutes reaches its setpoint of 65C, over the next few minutes it will creep up to 70C and then cut out, again fairly normal if min boiler output...
  19. M

    Worcester Greenstar Junior 28i combi boiler - no green light or heating

    Hi all, First of all, I hope I have posted this in the correct place (apologies if not). I haven't used my boiler throughout the summer and have gone to turn the heating on. The hot water is fine and no problems but the green light does not come on my boiler and there is no heat. The blue...
    • mrsecm
    • Thread
    • boiler combi combi boiler greenstar heating junior worcester
    • Replies: 3
    • Forum: Boiler Advice Forum
  20. D

    Worcester Bosch greenstar 30si locking out

    Having problems with this boiler with the hot water running for about 5 mins it locks out .then after a while I try it again it works for another 5- 10 min then locks out again CH is ok , I’ve done usual checks the gas valves ok and the amount of pressure is there is fine ,and ohms is about...

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