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  1. J

    Intermittent CH Fault - advise please...

    I’d be grateful for your thoughts please... We have an Ideal Classic NF50 Boiler with a Lifestyle Model LP522 programmer, a Drayton Digistat 1 Roomstat controlling Hot Water & Central Heating connected to a Drayton MA1 Mid Position Actuator. We had a problem a month or so ago whereby the...
  2. M

    johnson starley reno he30c e5 fault

    Anybody suffered the pleasure of working on these 😔 Mates boiler who desperately wants to keep it going ... called out to e5 boiler fired twice for 10 seconds then locked out. E5 in book points to pump and managed to stop propeller with screwdriver so swapped it. Reset boiler now only getting...
  3. B

    F1 fault on Ideal booker

    Hi I have a seven year old “Ideal Logic combi 35” Lately it’s been showing an F1 fault every 2/3 days and I’ve had to top the system upI’ve looked all over for signs of a leak and I’ve tried (as someone suggested) placing a balloon on the overflow outside and this hasn’t filled just wondering if...
  4. U

    Icos He30 combi boiler resolution L9/H9 fault codes

    My boiler is an Ideal Icos HE30 boiler. This supplies the central heating and a separate heat store - in other words a big cylinder - for domestic hot water. It is not a combi boiler. The boiler is 10 years old and it has been serviced by the original installer each year since installation. It...
    • Ulsinus
    • Thread
    • boiler combi combi boiler fault
    • Replies: 12
    • Forum: Boilers
  5. D

    Glowworm 18HXi Reporting Error F13 (PCB Fault)

    Hi All, Problem with a GW 18HXi reporting error F13 (PCB Fault). I've replaced all the electrolytic capacitors on the PCB, many bulging with high ESR. After reassembly the fault remains. Swapped board with a known good one and the fault remains. Any ideas?
  6. 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...
  7. J

    Manufacturing fault in the casting of a pan of a toilet

    Hey Guys just wondering if anyone on here has had this problem with a toilet pan before, this is the 3rd toilet pan I’ve had this problem with in the past 18 months lol, also each pan is a different make from a completely different supplier hence why it’s so bizarre, I think it’s just bad Luck...
  8. S

    baxi duo-tec2 fault code e385

    as above driving me insane about ten people from 27/4 rescue looked at it can not find problem,i get hot and ch but it takes a while for it to come through all the time flashing 385 then all of a suden will fire up and be fine
  9. G

    HA fault on ideal isar 24he.

    Replaced a main heat ex today for a customer on an ideal isar, heating is ok but when running hot water it overheats and comes up with HA fault code, only happens on hot water though. Any way to shift the air from the plate heat ex? Its situated flat in these boilers instead of the usual on its...
  10. D

    I have a F1 fault code on my ideal boiler, the pressure is fine?

    Pressure is ok but increased to see if boiler would click into action but didn’t, have reduced back, needle is moving on pressure gauge, have tried reset but still nothing, any ideas before I call someone out? Thanks
    • Diy22
    • Thread
    • boiler fault ideal pressure
    • Replies: 1
    • Forum: Boilers
  11. L

    Telford tempest cylinder fault?

    Hi I have a Telford tempest unvented cylinder and I'm finding that when the hot water is on and I turn it off on the programmer the TPRV opens and let's the hot water out. Only stops running when it cools down again. What I find strange is that it only happens if I turn the programmer off. If...
  12. K

    Fault / No hot water with Bristan Shower

    Hello All I have a Bristan mixer shower. Pressure is excellent and I have replaced all seals on the Thermostatic cartridge. The CD valve is turning easily and 'looks' as if it is ok. Unfortunately the temperature dial does not make any meaningful difference in the temperature which is tepid...
  13. L

    Viessmann vitodens 100 FF fault?

    Hi. I've been out to look at this boiler today (I am a gas engineer) and found that this FF fault code keeps coming up even after restarting the boiler. On arrival I found pressure was on zero so I topped it back up and reset the boiler. On the display it says 141 then changes to...
  14. P

    Air Pressure Fault - Heatline Boiler

    Morning all, We inherited a c.2007 Heatline Compact boiler when we moved into our house. On Friday the boiler developed an air pressure fault. I first tested the air pressure switch in both the Common-normally closed and Common-normally open positions and both are working ok. I even tried a...
  15. N

    24i RSF intermittent fault help

    Basically the boiler stops working intermittenty for heatingand water... It had a leak from auto air vent which was dripping into the APS which has been repaired.. Everything seems to be working I've tested the harness to the APS and the overheat stat. and out of desperation changed the PCB...
  16. J

    Vaillant Ecotec Plus 824 F75 fault

    Hello Our Vaillant boiler has developed a fault in the last 2 weeks. The hot water is working without any problems. However, within 15-20 minutes of turning the heating on we are getting the error message 'F.75 Fault. Pump water shortage'. The boiler being on for heating is pushing the filling...
  17. D

    Reliability of fault codes potterton

    HELP!,,,, E125 error code Been trying to get to the bottom of problem with potterton titanium 40. keep getting e125 which is circulation fault ( primary circuit). Fault is intermittent. Thought about system flush but seem am reluctant as all rads are red hot. Return pipe also hot. Fault...
  18. M

    Boiler fault. Gas valve ?

    Evening all, I am the unfortunate owner of a very large gravity fed floor standing gas boiler. A few days ago the boiler decided not to come on when there was demand. The pilot light remained on. After a quick look over and attempted relighting the pilot light went out and would never stay...
    • Michael
    • Thread
    • boiler fault gas engineer valve
    • Replies: 2
    • Forum: Boilers
  19. R

    Vaillant Eco Tec Pro 28 fault.

    Over the last couple of weeks my boiler has started to throw the occasional S.54 and F.64 codes. I know when its happened because the hot taps run cold. The whole system is 8 years old and has been serviced every other year. Normal service is resumed by pressing the reset button. The question is...
  20. A

    Viessmann 100 WB1B-26 F4 fault on warm days

    I have a problem with my Viessmann Vitodens 100 WB1B-26 boiler. It has had this problem since it was installed (Dec 2012), but is worse this year due to the very warm winter in my area (Philadelphia, PA USA). The problem goes like this. From midnight to 10 AM, the boiler works fine. But when...
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