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ideal logic

  1. F

    Ideal logic heat 18 not working

    I'm having issues with my ideal logic heat 18, it was showing fd error code so I replaced the flow sensor also thoroughly flushed ot the heat engine and pipe work, it will run fine on service mode but will not fire up unless the heat exchange is tapped lightly then will shut down when tapping...
  2. D

    Ideal logic 30 low gas rate

    Ideal logic plus 30 kw, gas rated at 21 kw net on hit water. Inlet pressure 21mb at boiler, flow rate 12 lit pm, temp 40.3 degrees. Have checked, gas valve, injectir internal boiler pipework for blockages. Fga readings fine, boiler gas rate on central heating 23.5 kw net, service mode gas rate...
  3. F

    seeking experienced advise on an intermittent fault on ideal logic combi?

    My own boiler at home has developed an intermittent fault causing an ignition lock out every week or two when there is a demand for hot water. When reset the boiler runs without issue for a week or two. This fault only occurs on HW demand, there has never been a lock out on CH demand. Ideal tech...
  4. M

    Split heat exchanger on ideal logic

    I went to a ideal logic that is losing pressure every week. So won't fire. Have checked all visible pipework and valves no sign of a leak. I removed sump cover on front of the boiler and there was water under the heat exchanger. I dryed this off left the heating off and the water came back. Has...
  5. E

    Ideal Logic 30+ combi boiler - no heating

    Hi all, Looking for some advice as to why my central heating is not working. We have recently moved 2 radiators, replacing one with a new one. When turning the boiler back on there is now no heating. We have hot water, we have checked the pressure, bled the radiators, reset the boiler. We do...
  6. Q

    Ideal Logic System 24 - F1 error - No idea how to re pressure

    Hello everyone, a friend of mine has recently had a F1 error on their boiler (Ideal Logic System 24). We have looked up what to do and it looks like we need to increase the pressure on the boiler. Seems simple enough. but with the way this was installed we don't know how to do that. we looked up...
  7. S

    F1 Problem on an Ideal logic 24 combi

    Hi My ideal boiler (24) was fitted as a used swap (from a 35) a few weeks ago and the engineer is now ignoring me. It shows F1 and when I top it up (to 1 bar) it works fine for a couple of hours. It then spits water outside to release the excess pressure I guess, then it shows F1 and I...
  8. R

    Ideal Logic + Combi "Flame loss post Stabilisation" error after Smart Meter installation

    Hi all, First off, I'm just a homeowner looking for advice, I'm not a gas engineer. On Friday I had smart meters installed and 5 times since then (never previously), the 3-year-old Ideal Logic + Combi boiler has made a fairly loud humming/vibrating noise while running hot water for a few...
  9. A

    Ideal logic flame loss

    Thanks shaun
  10. J

    Cost to replace ideal logic 24+ sump

    Hi all, I have been informed my boiler sump on my ideal logic 24+ has a crack. A common fault on the ideals by the looks of it. I can source the sump for about 55 quid. How much would you say is reasonable to replace the part. Ps I've just had my boilers serviced and they never noticed the rust...
  11. C

    Ideal Logic Heat 15 - F/A Code

    Hi I wonder if anyone can help with a central heating issue. I have a 7 year old house with Ideal Logic Heat 15 Boiler - this runs central heating and hot water system. Over the past few months I notice the boiler running then cutting out and restarting quite a lot, after 15 minutes of doing...
  12. J

    Ideal logic + combi 30

    Hello Guys Help needed again problem on the above boiler. Hot water works fine however the heating comes on temp on display goes to 70-80 and the boiler turns off. None of the flow or return valves get hot although the main heat exchanger does. DV motor operates, even with the motor...
  13. J

    Heating engineer advice - Ideal Logic combi - isolated heating and pressure issues.

    Please would any heating experts advise what damage the heating engineer could have caused to our boiler. He isolated the boiler, turning off valves to the heating so that he could decide whether the ongoing pressure drop (0.5 bar a week drop) was within the boiler itself, or whether a pipe in...
  14. P

    Programmable room thermostat for ideal logic

    hi guys. After recommendations for a programmable room thermostat. Preferably wired and if possibly weather compensation. It is going on a older model ideal logic combi.
  15. S

    Ideal logic main heat exchangers

    Why are these still leaking on recent boilers. Had a call today from a new customer to look at one of his renters, for frequent pressure loss. He had a logic plus 35 installed in 2017( not by me). I whipped the cover off and the trap had the usual white floating fog, consistent with the...
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    • Thread
    • heat ideal ideal logic logic main
    • Replies: 8
    • Forum: UK Plumbers Forums
  16. D

    Ideal Logic 30 kW or Vaillant ecoTEC plus 430?

    Hi all I am getting my central heating system revamped as per of a house renovation project. 3 bedroom house with zonal heating system, including underfloor heating in new extension, with radiators elsewhere. I'll be putting a 30 kW, gas fired, heat only boiler in (without solar thermal), and...
  17. A

    Ideal Logic Combi Flame Loss problem edited - advice needed

    My boiler Ideal Logic 30 Combi shows flame loss error (F2 fault). Boiler is in the newly property and so far has been used just for hot water, which worked fine. The problem appeared when I tried to switch on central heating (The CH system has been drained, flashed and refilled).With "C" on the...
  18. A

    Ideal Logic Combi Flame Loss problem - advice needed

    Hi! I bought a house with a boiler installed Ideal Logic 30 Combi. I don't have warranty on it, although it's rather new, of 2015. The whole system has been drained flashed and resealed. When I moved in I was just using hot water. When I switched on CH mode, boilers makes a noise before...
  19. S

    Ideal Logic & Logic + firing in the night?

    Apologies if this is a daft question! I've not worked on many Ideal's normally Worcestershire & Baxi's. Is it normal for the Ideal Logic & Logic + models to fire intermittently throughout the night even when no demand? Thanks in advance Spreck.
  20. V

    Ideal Logic 35 Boiler Losing pressure *Solved*

    Evening All I used this forum over the last month to research my problem with the Logic 35 boiler losing pressure. Background - My 4 year old boiler began losing pressure at around 0.3-0.5 bar every day about 4 weeks ago. Like any worried home owner i checked the following things: 1. PRV - tied...

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