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  1. D

    Ariston 32 mffi micro genius

    Hi all my name is Richard I'm an heating engineer in South Wales. Cant say I'm a big fan of these boilers and have repaired them in several occasions.
  2. G

    Ariston eurocombi mffi a23

    Some advice please the boiler has had a new main and secondary heat exchanger and a diaphragm but still won't maintain hot water temp when the hot water is drawn the burner fires up and then quickly drops to low then back to high, no modulation in the burner would this be gas valve or pcb...
  3. J

    Ariston microgenus 23 muffi leak issues

    Evening I have a ariston microgenus 23 mffi which has a diverter leak by sensor and also below actuator motor and then also looks like slight trace of water behind pump housing but really had to see. I would be inclined to change the diverted as I don't want to return after repair. Has...
  4. J

    Ariston e34 fault

    Any advice on e34 fault code on arriston micro genious. Fan/a p s / restrictor but is there any other advice from past experiences on these boilers plz Thanks in advance
  5. Gas74

    Ariston micro genus ll 28 mffi

    Got a a97 fault code tried new PCB still the same tried new sensor still the same!!!!with or without a demand when I turn on the power to boiler within 5 seconds this code comes up. Had this a few times and has always been the PCB. Any help appreciated
  6. S

    Ariston Clas HE sp1 intermittent error

    Hi guys, I got a boiler to fix (Have not been to see it yet) - customer reports it is showing an intermittent SP1 error code (Ignition attempt failed). I fixed one of those a while ago with SP1 and 501 codes and it turned out to be a PCB. What is your experience with those boilers? I am aware...
  7. M

    Odd problem with an Ariston MicroGenus HE

    Hi, I have been to a customer a couple times, Initially I noticed that it was giving random A01 codes (about every 2 hours), the other thing I noticed was that it was still sparking when lit so the symptoms added up to a rectification issue so I went back and changed the probe and lead but the...
  8. S

    ariston plumbing set up

    Hi all, could anyone give me the pipework layout for an Ariston undersink electric water heater. Its the 3kw version as stocked by B&Q. it comes with a pressure relief valve and i do have an expansion vessel but im not sure if i need more valves to incorperate this in the system. any help or...
  9. C

    Ariston europrisma Dielectric junctions

    Anybody have any experience of fitting these units as these fittings seem to leak unless you use loads of ptfe on them to get a seal. Anybody got any advice if they are needed? seen a couple just installed with flexes straight onto the top. Fitting one in a church next week and dont want them...
  10. O

    Ariston microgenus t5 flashing

    What does it mean. Can find it from Google and not in MIs
  11. M

    Ariston Micro Genus problems

    Hi Plumber Folk I've got an Ariston Micro Genus that's about 15 years old and has been faultless... until now!! A few issues have occurred over the last month. Initially whilst having a shower the flames would cut out in the boiler for about 5 seconds and then kick back in. I like a really hot...
  12. H

    Leaking Ariston unvented storage cylinder

    Hi guys. Looking for a bit of helpful info here. Going to bed last night and heard a sound of dripping water coming from the boiler/water tank cupboard-which is luckily on the ground floor. There was quite a bit of water on the floor which I started to mop up.I realised the water was coming out...
  13. H

    Ariston E combi 30: Ingition issue, electrodes dirty

    Hi and hello to everybody! I had a plumber in the flat having a look at the ignition problems. Both electrodes got dirty and needed cleaning. The boiler worked fine for a while after the clean but the problem is back now. Electrodes were cleaned again and the problem is back again after shorter...
  14. S

    Ariston Combi Boiler repair SE26 London Microgenus 23

    Hello Our combi boiler stopped working on Friday. It may have been because of rain coming in through the flue. It had a new fan fitted 2 years ago. When turning on from scratch, the pump turns on but there is no attempt to ignite nor does the fan run. This happens regardless of whether I have...
    • SydDenham
    • Thread
    • ariston boiler combi combi boiler london
    • Replies: 1
    • Forum: Boilers
  15. S

    Ariston micro Genus 23

    Hi Our combi boiler has stopped working - I was expecting it to be a new fan required - as this happened 2 years ago due to water coming in through the flue during heavy rain. One thing I don't understand is that when the boiler is turned on, the pump starts immediately despite the heating not...
  16. C

    Ariston microgenus 23 mffi

    Have a intermittent fault on one of these. locks out every no and then when trying to fire. never does it with the case off, have changed aps and checked fan which seems to be free and not noisy and spinning fast enough. anyone had this issue before on these! checked venturis and no flue...
  17. I

    Ariston Boiler Service required in West Midlands/Wolverhampton Area

    Hi All Hoping someone can help me. I think its time I start to think about getting my boiler serviced which is a Ariston Combi Boiler A 30 MFFi. I don't have a maintenance plan and would prefer just to have it serviced annually by a trained Engineer. Does anyone have any recommendations on a...
  18. A

    Ariston primo 150 immersion

    Hi guys Need to change the economy 7 immersion on this cylinder Assuming it will only take a straight swap. Anyone familiar with these are they fitted the same as a normal immersion?
  19. P

    Re Ariston A23 Euro Combi Paste

    Thanks for your responses. I have qualifications in both plumbing and electrics including Part P, plus qualifications in other engineering fields. Therefore, I am classified as a competent tradesperson. Check the definition. Putting the paste in position does not involve interrupting any...
  20. P

    Ariston A23 Euro Combi paste

    Hello guys Can someone please let me know where I can get the white paste which is smeared onto the pipe before fitting the 'clip on' overheat thermostat ?. Also, when the boiler is running, after a while both the Ignition Lockout L.E.D (B)and the Safety Intervention L.E.D (G) comes on. I was...
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