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ferroli

  1. B

    Ferroli Optima 701 - Pressure Relief Valve passing?

    Hi All I have a Ferroli 701 Optima which leaks water through its CH 3 bar safety pressure relief valve. The water pressure on gauge NEVER goes above 1.2 bar though (with CH on or off). When i do put pressure in the PRV passes and it drop to zero over 10mins. The Pressure Gauge USED to go over...
  2. K

    Noisy boiler (Rubbish Ferroli HE18)

    I have probably one of the worst boilers you could have (not my fault, blame the home developer!) It's a Ferroli Optimax HE18s. We are getting a really loud vibrating noise when the hot water comes on. But if I switch the boiler off then on again and stops straight away and carries on like...
  3. J

    Ferroli F24 CH led flashing

    Hello, my current system is a Ferroli F24 Combi boiler, I had to turn the water off at the stop tap, turned the water back on and everything was fine. Two days later noticed the hot water was running cold but the CH was still on fine. Had a plumber come and look at it and he said the flow switch...
  4. T

    Ferroli f30 bypass. Advice please

    moved in to new house last week Going to fit a Spirotech mb3 System dirty Flushing etc first Below the boiler there is a manual bypass Ie tee from flow to return pipe .tee on return pipe Gate valve in middle (closed) Struggling to fit spirotech with the bypass there Can I not just take trv off...
  5. Harvest Fields

    Ferroli F24 Flue problem

    Second opinion boys and girls. How would you class this? Thanks in advance.
  6. A

    Ferroli Modena 30c. Any gurus on here?

    Been to ferroli tonight. Display on boiler will show 'FH' with a demand on. Fan runs constantly. Pump will pulse on and off. Pressure gauges jumps in relation to this. Intermittently the boiler will light, then go out then light again then go out and give fault A01. Pump will now run...
  7. A

    Ferroli Modena A01 fault code

    Hi, I have been asked to look at a Ferroli Modena tomorrow evening. I've been text the details by a letting agent. They have requested I attend after 7pm, fine by me I have a job around the corner at 6pm. It's giving the fault code A01. It's an ignition fault. Is anyone familiar with this? I...
  8. J

    Ferroli modena 32c he - hot tap contamination

    I know these boilers don't have a good reputation but it's been reliable. I have a hot water contamination that only ever appears on the hot tap noticing it in all the hot water outlets (collecting in mixer tap filters). On a soft water feed. The flakes are non conductive and didn't desolve...
  9. K

    Ferroli Domicondens spark electrode fault

    Does anyone have any experience with resolving an A02 fault? "Flame present signal with burner off." Possible cause: electrode or card fault. It usually starts with an error code regarding no flame after ignition phase and is replaced by A02. I had a gas valve fault being displayed but got rid...
  10. S

    Ferroli Optimax f34 fault

    Is the f34 fault on an Optimax a new PCB or should I be looking elsewhere?
  11. B

    ADVISE PLEASE - What replacement boiler for Ferroli DOMIcompact F24B ?

    Hi All I have a Ferroli DOMIcompact F24B and it is nothing but trouble, i have had a new PCB fitted, new preesure gauge, new pump and it is not working AGAIN due to pump broken again !!! The Engineer has disconnected the pump so i only have HW, he also stated there is very small leak on Heat...
  12. K

    Ferroli Modena HW probs

    Hi, My Modena 80e has started playing up. Shower is Grohe 2000 mixer bar and the water gets hot, then after about 3 minutes goes for much cooler and then back to hot again and repeats. Burner is on all the time and I replaced both thermistors about 8 months ago due to same problem and the...
  13. J

    Ferroli modena c30 cold Central heating

    I'll try to be specific but stick with me as I'm Welsh :) Water is fine, no problems at all. Turned the CH on last week, all was well. Turned it on today and all is not well. Firstly the temperature setting will not allow us to go past 36' C it has gone there own its own from 45. checked the...
  14. M

    Ferroli system boiler woes

    We have a 9 year old optimax HE25s boiler which heats the hot water but can't cope with the CH. The problems started about 3 weeks ago when we started seeing d2 in the display a lot. At that time the rads furthest from the boiler failed to heat up at all! When the boiler came on it heated to 90...
  15. D

    ferroli domicondense he 26c

    hi i am new to servicing, i have never come across a ferroli boiler before i done all my usual checks all fine come to do a FGA test and my readings seem really high, i have had a look in the manual cant find any readings at all in there, i have tried to ring there technical line they shut at...
  16. D

    ferroli optima combi

    hi guys i dont know if anyone has had this problem, the central heating is staying on even when the room stat is off programmer off and the boiler stat turned off. i thought the problem initially was the pcb so i changed that and still no difference . im not sure where to go next any help would...
    • Deleted member 44451
    • Thread
    • combi ferroli
    • Replies: 5
    • Forum: UK Plumbers Forums
  17. G

    ferroli tempra 30 strange behaviour

    replaced venturi but boiler still only firing with case off. replaced fan assembly and all was well - for a day. Then the boiler fires up, runs for 10 mins then goes off but pump does not continue (no pump overrun) and the green demand light is not on - ie it doesn't flash green. After cooling...
  18. S

    Ferroli Modena 102 Boiler Keeps going into standby mode

    I had to change the water pump due to the connector burning out and was tripping my fuse box. The boiler now works for DHW and CH but once the demand stops, LED 4 flashes / goes into standby mode for 2 mins, then resets and all functions can be used again.... Any ideas what I should check? PCB...
  19. C

    Ferroli Modena 32c HE, changing from manual to heating controls

    boiler was controlled using +&- buttons on pcb display for CH, HW was on demand. Now want to control it using thermostats that control valves through the auxiliary connections on pcb. Is there any links inside boiler that need removed?
  20. I

    Ferroli domi compact F24b

    ive got a Ferroli domi compact F24b that i cant get the co/co2 ratio right on, the co ppm is extremely high. It has a separate air intake supply, which rises 1 metre vertically and then 5m horizontally (running along beside the flue gas exhaust pipe) which ive checked for blockages, the working...

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