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junior

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  1. U

    Worcester Geeenstar 28i Junior CH not working

    Hi guys, I hope you can point me in the right direction here. I had the above system installed in 2006, and have never had an issue with it until now. When the heating is switched on, everything appears to run up ok (fan, pump, etc) and I get the flame light appearing, but after about 30...
  2. R

    Greenstar 28i junior boiler - hot water but no heating........

    Hi, I would be grateful if anyone could give me some advice on a problem i have with a Worcester Greenstar 28i boiler that is fine when i turn the hot tap on but is not firing up to heat the rads. I have pressed the reset button on which the boiler fires up for a few seconds then cuts out. I...
    • redcuckoo
    • Thread
    • boiler greenstar heating hot water junior water
    • Replies: 8
    • Forum: Boilers
  3. F

    Worcester greenstar 28i junior hot water but no heating

    Morning all had a call-out yesterday to the above, hot water working fine but no heating. removed the room stat, installed a link but still nothing. remove the rubber green cap over the D/V that was moving up when hot water called for, then stopped moving for no reason but hot water still...
  4. M

    Worcester Greenstar 28I junior combi Mk III

    Hi really need some help have the above boiler, have just come home after few days away and out on heating but it's not working was fine before left. The pump is working making very loud noise but there are no lights at all on the actual boiler as normally is, like the blue front light and green...
  5. G

    Wireless room for 24i Junior (old, non-greenstar version)?

    Hi, I have one of these, which is older than the greenstar version. I believe it is called the RSF. I wanted to buy either of these two, but some posts I've seen elsewhere suggest that they may only work with the newer greenstar, not my RSF: Any advice appreciated, thank you, gbar
  6. W

    Worcester Greenstar 24i Junior HW problem

    Hi, I have a Worcester Greenstar 24i Junior, just recently we have been having a problem with the hot water. When you turn the hot water on the boiler kicks in and it starts to warm up but then the water goes cold, also the pressure on the boiler jumps from 1.5 to 2. After a bit of...
  7. T

    28i junior greenstar Dhw temperature

    temperature on the dhw does not get as hot as it should, its just a little hotter than luke warm, ch works fine The diverter is not bypassing It fires fine on dhw its only three years old & not in a hard water area so the phe should be okay. couldnt remove the case because some kitchen...
  8. H

    Worcester Junior 28i (programming setup)

    I hope you can help. I am not a plumber and have very limited knowledge of central heating. I have the above boiler and the mechanical programmer has failed (I swapped this about 3 years ago as the previous one also failed). The boiler provides hot water where needed and also provides...
  9. H

    Worcester Junior 28i (heating programming query)

    I hope you can help. I am not a plumber and have very limited knowledge of central heating. I have the above boiler and the mechanical programmer has failed (I swapped this about 3 years ago as the previous one also failed). The boiler provides hot water where needed and also provides...
  10. R

    24i junior advice

    hi all, after some advice on the above boiler. did a safety check on it earlier and all readings are good but there is signs of a leak on top of heat exchanger (have got a photo but dont know how to upload it) so i have a burner gasket coming but it looks like water has been pooling at high...
  11. M

    WB 24i Junior fault

    What do you use as in a little connector to be able to get your multimeter to read the voltages. I couldn't get my prongs in the connector on the end of the fan. Any way, the fault I have is intermittent. The blue light flashes fast but with no lockout. It says in manual volatile fault...
  12. L

    Worcester Greenstar 28i Junior boiler - won't switch on.

    Hi I accidentally hit the on/off button on my boiler. Now it won't switch back on. I press the "on" button, it seems to fire up, but then stops the moment I take my finger off the button (or sometimes it cuts out if I keep pressing). Is there a specific sequence I need to follow to...
    • Lee Chamberlain
    • Thread
    • boiler greenstar junior worcester
    • Replies: 7
    • Forum: Boilers
  13. R

    Plumber wanted London N22, boiler problem, CH/DHW failure on Worcester 24i Junior

    Hello, I'm seeking a Gas Safe plumber to come and look at this boiler problem I've got with my 2007-era Worcester 24i Junior combi. As of tonight I can't get hot water from the taps or the radiators to heat up. There is no fault indicator showing, and though the system pressure gauge had fallen...
    • Rich2014
    • Thread
    • boiler junior london plumber wanted worcester
    • Replies: 1
    • Forum: Boilers
  14. B

    serviceplus s17 and worcester greenstar junior 28i

    Hi guys, looking for a bit of help. I have the above boiler and timer.Come home tonight and its all switched off and timer says 0 days left call eng. Now I have looked on the net and it needs a service. I have only been here two months and previous tenant said service was done so took his word...
  15. J

    Worcester Greenstar Junior 28i

    Doing a fan change on one of these today and having real trouble with the gasket on top of the heat exchanger it's too thick to allow me to push the clamping plate down and get the Manifold assembly back in! Is there a knack to this? Anyone had similar problem?
  16. E

    Plumbing Course and Gas Safe Assistance need, pay for a course or go as Junior?

    Hi Folks, I am very sure this question comes up a lot, but I am a little stuck. I am looking to do my NVQ Level 2 in plumbing and Gas safe. The problem is I can not go via the college route as its far to long 2-3 years ( my nearest colleges suggest) as its part time. I checked...
    • Elahi_1
    • Thread
    • course gas engineer gas safe junior safe
    • Replies: 4
    • Forum: Plumbing Courses
  17. V

    volatile lockout green star 28 junior

    Hello. Has anyone come across this...see title I've checked the two temp sensors got 14 500 ohms on both. I Checked continuity of harness to fan all ok. I know there's more i should do but it's not clear in manual. What voltages to look for on the different wires to fan. Also what's...
  18. M

    Worcester Greenstar Junior 24i Plate Exchanger

    Hello. Im really hammering you with boiler breakdown questions at the moment :thinking: Worcester Greenstar Junior24i, get 3 mins of hot water then the boiler cuts out. I can hear the heat exchanger fizzing inside so Im fairly certain its overheating. If I leave the hot tap running then it...
  19. M

    Worcester 28i Junior repressurising help

    Hi guys, Does anyone know how you go about repressurising a Worcester 28i Junior boiler? I've just moved into a house with one but there's no instruction booklet and I can't see any taps or turnable valves on the bottom? There also doesn't appear to be an internal filling key slot. I'm a bit...
  20. T

    Worcester Junior or Compact

    Looking at the 28 CDi Compact and the 28 Junior, the flow rates, heat outputs and dimensions of the Junior and Compact look almost identical to me so what am I missing? I know the Junor is the bottom of the range, but where is the extra money for the Compact going? I know the Junior didnt used...
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