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fault

  1. K

    Central heating not firing up is controller at fault r

    Renewed room thermostat and 3 port valve(drayton MA1) but hot water fires up OK but not central heating unless I turn off hot water timer settings on drayton lp522 controller?
  2. C

    Glow worm Boiler Ignition Fault

    I am a new poster to this forum - not a heating professional, but a householder looking for advice. please. I have a Glow worm 18hxi boiler with Magnatech installed in 2006 by a local engineer who has serviced it regularly and comprehensively every year - very competent, has done a lot of work...
  3. T

    Ferrolli domicompact f24b - fan/pcb F5 fault

    Hi all New to this forum, hoping someone can help I’ve been called to my neighbors boiler yesterday. Ferrolli domicompact f24b - I know Ferrolli 🙁 Fault showing up F5 and go nothing Reset boiler numerous times and nothing just F5 I’ve downloaded the manual an f5 says APS or fan The...
  4. G

    Baxi Combi 80 fault

    Hi there I was called out tonight, no heating no h/w. Pump would run, pump proving made (continuity across connections at board), no power to fan across L-N, but getting 240v L-E. Going back tomorrow with the PCB but just wanted to confirm this diagnosis. The fan resistance was 30.6 ohms which...
  5. chucklepie

    Help diagnose Ariston boiler fault

    Hello, I have a boiler engineer coming out, but it's not till next week, so I was just curious if anyone knew what this fault could be in case it was something obvious, it's the first I've tried heating since May... Ariston Clas HE EVO38 No error messages, hot water is fine, but no heat. Even...
  6. R

    Central heating - timer fault or something else?

    Noticed that when we turn the heating on manually we would then notice it had gone back off again so set to continuous and saw this video has sound Does this look like a faulty timer or something else tripping it? Thanks
  7. B

    Vaillant F54 & F28 fault code help

    Anyone had any experience with F54 & F28 fault code on a Vaillant Eco tec plus 831? It locks out but if you leave it for a while, sometimes days, it fires back up. Fiddled about with the wiring harness and it seemed to sort it for a while, but not sure if that was coincidents. I'm guessing it...
  8. M

    Adc fault anton analyser

    Anyone know what the adc fault means on an anton analyser? It's shown up upon turning the machine on.
  9. king of pipes

    Baxi net- tec 28 - 325 fault code ?

    Called out to this fault supposedly a low voltage problem , replaced the pcb now sorted .kop
  10. B

    22 fault code, Glow worm

    Got a Glow worm 18 flexicom with f22 fault. I've replaced both flow & return thermistors, bleed all rads of air, removed the pump and cleaned it, it all seems fine and pump is strong, checked wiring continuity and that's all good. Boiler is only 6 years old and Glow worm have said it sounds like...
  11. M

    Cooker/hob fault classification

    Hi all, I'm going to be getting my cookers ticket soon and I'm a little confused on the classification for faults. If I turn a gas oven on and its starts on high flame what would this be classed as? Also for things such as fsds on hob burners I am assuming that if it doesnt keep the burner lit...
  12. J

    Synch motor fault not opening

    Hi I have an issue, couple of day ago no water. Boiler worked ol for heating so looked at syncho motor ( had to replace this about 5 years ago on the same system). Motor was working but when I checked it it was not opening the water valve enough to actually make the contact switch to tell the...
  13. K

    Ferroli experts? A01 fault code

    Hi, is there any ferroli experts here? Looking for some advice on a Ferroli i29, attended a couple of times on an A01 fault code, cleaned condensate trap, hose, also connection at p trap. Tested all working when left on both occasions but the fault reoccurs in a week. Any advice would be greatly...
  14. P

    A21 fault on Greenstar Comfort RF

    Hi I have a permanent A21 fault on my Greenstar Comfort RF receiver on my boiler. I am unable to access the settings as it does not respond to any input from the buttons on the panel. My thermostat is showing an A28 fault. My thermostat was not working so I disconnected it from the receiver in...
  15. D

    Replacing Diverter valve to fix PCB fault?

    Hi, new to the forum and looking for some advice if possible. I had an engineer out to look at my combi boiler (potterton performa). The power light is coming on, but no response to demand for hot water or central heating. The engineer had a look inside and found the PCB was getting 240V in...
  16. Inverness

    Ea fault code Worcester cdi

    hi guys, pressure had zeroed so topped up pressure. Boiler still flashes ea code, when you reset the boiler you can hear the electrodes trying to spark. I'm going back tomorrow my plan is to do a gas pressure test on the inlet. If there's no pressure ill remove gas valve and see if there's any...
  17. N

    I am looking for help with my NVQ L2 Maintenance and Fault finding

    Hi guys! I'm looking for help from a Plumber with 5+ years of experience for my NVQ L2 evidence work,which will enable me to attend onsite assessment. I think it should not take more then 1 day to complete it.I just need to make some pictures that i am solving a problem basically and write down...
  18. S

    Quick answer on mid position valve fault please

    Evening all, I’ve just left my last job of the day and I’m completely knackered. I’ve just been round to a job I did in January ( manual flush radiator on kicrobore) and whilst I was there the old tower mid position valve was making a racket, so the customer asked me to put a new one on(...
  19. Best

    S plan probable wiring fault?

    I replaced a programmer on an S plan system in a small bungalow and when checking zone valves operation, I discovered an existing problem. There is the usual 2 port MV for radiators, (controlled with hall stat), plus a second 2 port MV for hot cylinder, (controlled with cylinder stat)...
  20. G

    vaillant f 62 fault code how to test

    Hi all, ive got a call to look at a vaillant ecotec with an f 62 fault tomorrow. Its a gas valve fault not closing properly but it also could be the pcb causing the same problem. Can anyone advise me. Is there a simple test to be sure its the gas valve or the pcb that needs changing. Thanks in...

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