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junior

  1. M

    worcester 28i junior not firing

    Got called to service above boiler only to find red light flashing with fault. Asked for MI, none in there. Reset it nothing both in CH and DHW. Looked at pressure gauge less then 1 bar so topped it up to 1.5 and reset nothing. Fan going on fine whenever there is a call for heat and the...
  2. R

    greenstar 24i junior lockout

    Hopefully somebody will be able to throw a few suggestions my way. Worcester g star 24i junior. Flashing for ignition lockout everything seems ok except getting 6vdc out of pcb to gas valve should be 35 according to the manual. Checked transformer 46 ohms across the 2 pins and continuity...
  3. R

    Boilers to clear - Glowworm 18 SX & Worcs 24i Junior

    Hi All We have discovered a couple of boilers with problems that can't be sold as new, but may be of interest to a bargain hunter who doesn't mind putting a bit of effort in. The Glowworm Flexicom 18 SX system boiler has been hung on a wall, but not used. The template is torn and scruffy, the...
    • Ray Stafford
    • Thread
    • boilers glowworm junior
    • Replies: 2
    • Forum: Boiler Advice Forum
  4. F

    greenstar 28i junior water leak

    Hi all ,wanting some urgent help if possible. Came home today to find my boiler dripping water (greenstar 28i junior) .I have removed the cover and dropped down the control flap and can see that water is coming out from a black plastic manifold ? situated on the right hand side right at the back...
    • fencehouses
    • Thread
    • greenstar junior leak water
    • Replies: 2
    • Forum: Bathroom Advice
  5. N

    28i Junior modulating in minimum mode

    Hi all, Was wondering if anyone had come across this before or might know what the problem is. Trying to adjust the air gas ratio on a 28i junior. Put it in service mode. Turn the dial to maximum. Boiler goes to full output. Adjust the valve to get the reading I need. All good. Then turn down...
  6. T

    Many issues with Worcester green star 28i junior condensing combi - kindly help!!

    I have far too many issues with my boiler. Sorry if this is too long. (I) I have to refill every morning due to the needle on the gauge staying on red(0) when I wake up (ii) sometimes the heating works fine but sometimes only the two radiator nearest to the boiler gets hot and the other 8 in...
  7. Z

    Worcestor 28i junior pump/pump housing

    Pm if interested
  8. D

    worcester 28i junior

    hi guys got called out to this non- condens junior today , cust says it keeps locking out . when i got there i reset it and it all worked perfectly in hw and htg. hadnt got time to get too involved . cust says it stays on for an hour or 2 and then locks out. checked the flue was ok and gas wp...
    • Deleted member 44451
    • Thread
    • junior worcester
    • Replies: 27
    • Forum: UK Plumbers Forums
  9. C

    Junior Plumber/DEI looking for work in Essex and East London - has JIB card

    Hi. I've completed my City & Guilds Level 2 NVQ in Plumbing and Heating 6189 and have recently got my JIB card through. I've also done the BPEC Vented & Unvented Water Systems certification too. As an add-on I thought it might be useful to have some electrical knowledge under my belt as well so...
  10. A

    Central heating not working but hot water does, worcester 28i junior

    my boiler has started playing up again. tried using the cnetral heating today and for the first few seconds everything seems ok. you can hear the boiler starting to heat up the water and pump it through then all of a sudden starts makeing a clunking noise and flashing light comes on. I took the...
    • ajsoad
    • Thread
    • central central heating heating hot water junior water worcester
    • Replies: 10
    • Forum: Central Heating Forum
  11. T

    Worc greenstar 24i junior intermittent timer fault

    Heya guys Got a bit of a head scratcher here, I serviced this 24i Junior GS a couple of weeks back. It was fine no probs. A chapel owns the boiler and they have been having some issues with the timing. They have a dt20 + wireless stat, I believe its one of the older ones as the room stat does...
  12. MZR

    greenstar 28i junior

    hey all the above boiler has a slow flashing blue light and the red error light flashing, the pump and fan run and i have lifted the spark electrode plate on the board slightly and i can hear it spark, the power on the gas valve is 35 volts dc and manometer does not drop at all this tells me...
  13. J

    Worcester Greenstar junior 28i - No water or CH

    Hi, I'm new to this and before I start, I've got a gas safe engineer coming out tomorrow, but I'd appreciate any advice so I know I'm not being messed about. At the weekend I noticed that boiler water pressure read 0 after the heating did not come on in the evening. I then repressurised system...
    • JimNutt21
    • Thread
    • greenstar junior water worcester
    • Replies: 6
    • Forum: Bathroom Advice
  14. K

    Help with worcester 28i junior boiler

    Hi new to the forum and have been well impressed with what I have seen so far Worcester 28i junior boiler have a couple of problems with this boiler. 1. Keeps losing pressure, repressurise and within 24 hrs the pressure drops to virtually zero, have checked for leaks none found anybody any...
  15. S

    Worcester junior 24i combi

    Hi new to forum been plumbing for over 30 yrs for my sins! and back on the tools after a number of years behind a desk supervising! i presume this question has been asked and answered on numerous occasions but i have a problem with the 24i combi in that it sparks but no ignition! After doing...
  16. A

    Worcester 24i junior greenstar

    Called to this one today. Fan and pump running then fault code. Blue light is: Slow flash (normally off, flashes on) reset button flashing and then Ignition lockout. Would love to know best way of testing electrodes and which pins on the gas valve you test? Or what else can cause this...
    • allwright
    • Thread
    • greenstar junior worcester
    • Replies: 5
    • Forum: UK Plumbers Forums
  17. R

    Worcester 28i Junior fault (non greenstar)

    Been out to this boiler today, I've done all the checks and resistances of everything are within limits and everything is pointing towards the PCB and i'm 90% sure its the problem. Just thought I'd check here though as I hate diagnosing PCBs for intermittent faults and I've not come across this...
    • R1CKY
    • Thread
    • fault greenstar junior worcester
    • Replies: 26
    • Forum: UK Plumbers Forums
  18. D

    worchester junior combi boiler heating not working

    My combi boiler central heating isn't heating up although the hot water is working fine. - I've power flushed the system, now nice and clean except for at the boiler. - bleed all the 7 radiators and at the pump. - the thermostate clicks when I turn the temp up - the water still works fine -...
    • dholi85
    • Thread
    • boiler combi combi boiler heating junior
    • Replies: 15
    • Forum: Boiler Advice Forum
  19. G

    Worcester bosch 24i junior boiler losing signal any ideas?

    We have a 6 year old Worcester Greenstar 24i Junior boiler. Recently the signal between the receiver on the boiler and the roomstat in the living room is ittermittently beign lost, it can go a couple of days working fine, then say on on evening if we increase the temp on the roomstat the signal...
    • gibson033
    • Thread
    • boiler bosch junior worcester worcester bosch
    • Replies: 7
    • Forum: Boiler Advice Forum
  20. C

    Worcester Bosch 24i Junior emitting high emissions

    Hi Guys, I'm new on here, and would really appreciate any advice. We have a W/Bosch 24i Junior boiler installed, its approx 7years old and so had it serviced last week from a W/Bosch engineer, he said all is working fine. So on the weekend we had the gas inspection done and hesr informed us...
    • chana323
    • Thread
    • bosch high junior worcester worcester bosch
    • Replies: 2
    • Forum: UK Plumbers Forums

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