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  1. K

    Ferroli Optimax HE 31 C - Hot Water but NO heating & no error messages

    Hi, I have the above problem - I have turned it on & off several times (this worked last time on Tuesday) I've bled the radiators - they are all full I've checked the pressure & put it at 1.5 bar Any other ideas would be gratefully received - its freezing :(
    • klutzkate
    • Thread
    • ferroli heating hot water water
    • Replies: 1
    • Forum: Bathroom Advice
  2. J

    Ferroli Modena

    Hi interested in fitting the new ferroli Modena ,I like the 4part set up same as intergas but I prefer expansion vessel easy to remove and like the stainless heatexchanger. I know the older ferrolis were awful but it's price is very good has anyone had any issues or good feedback from customers?
  3. H

    Ferroli boiler loosing pressure

    Hi everyone after some help with my central heating problem my ferroli F30 boiler has been off all summer only supplying DHW. Now that I have turned the heating on I am having to top it up at least once a day as the pressure in the system drops to 0 i started by looking for leaks or air locks...
    • Hotsauce19
    • Thread
    • boiler ferroli pressure
    • Replies: 3
    • Forum: Boilers
  4. P

    ferroli modena replacement

    HI new to this site , we have a old ferroli modena 80e and its been nothing but trouble , our plumber has suggested a valiant but we are open to suggestions and wondered if there was a direct replacement many thanks for any advice
  5. P

    ferroli optimax he 31c with f 37 error

    Hi, I'm a tenant in a flat and my boiler stopped working. I figured out that the F 37 error message means that the unit is below pressure. The pressure is hardly registering at just over 0 bar. I have found the black taps I'm supposed to open but one of them is stuck hard. It's the black tap on...
  6. S

    Ferroli Optimax He Plus 38C Burner Removal

    Hi, Can anyone help me regards removal of the burner on a Ferroli Optimax HE Plus 38C, as the M.I. are nothing short than useless. After removing the fan, I expected the burner just to lift out, but with some resistance, however this burner was stuck in solid, and would not budge, after further...
  7. C

    ferroli optimax he31c fan problem

    hello out there could anyone give me any info ref the fan on this boiler will not switch off, last week i made a call at a customers and fitted a new diverter valve .we have hot water and heating but the fan keeps running,i switched off the eco on the control but it still keeps running i think...
  8. S

    Ferroli domicondes f28

    Been to 1 of above this evening locking out on a10 no ignition. Believe gas valve is goosed as solenoid resistances were out. Concerned that the pcb appears to spike voltage up to 1000volts. How is this possible? Tried 2 multimeters got the same reading. Its not for long but briefly when the...
  9. I

    Ferroli warranty

    I fitted a ferroli domicondense 26 for a landlord 19 months ago ( not my choice ) I was serviced at 12 months when I did the gas safety check. last week the tenant. Called ferroli as the boiler was showing a fault code. The engineer has been and says the boiler is beyond economical repair and...
  10. B

    Ferroli optimax he plus 25ov

    Hi people. Have a customer with a ferroli optimax 25 ov boiler. Have spoken to ferroli and they say it can't be converted to a sealed system boiler as the boiler doesn't have prv or expansion vessel. Surely if I instal robokit with correct size vessel for system this would be ok. Does anyone...
  11. C

    Ferroli Modena 102

    Hi, Went to a Ferroli modena earlier for a basic annual check. Gas rate was fine, 32kW. The Co reading though went crazy...had my kane 455 bleeping like mad..Co in the hundreds, before the ratio even got to 0.008. this was done thru the test point on the combustion case ( liitle grey stoppas...
  12. P

    ferroli optima 901

    hi,my boiler will only run when pressurised to 2.5 bar,obviously as soon as it's hot it dumps through the prv. Could it be the pressure vessel or yet another pcb ? all advice gratefully received,thanks
  13. D

    Ferroli Sigma 40-60 GC41-267-18

    Anyone got the MI's for this? I've got them for GC41-267-15/17/08/09/10, pretty much the same thing. Hateful horrible piece of crap. Had to go look at one not working earlier. Pretty sure it's the sequence control on the gas valve as I'm getting no 240v to the fan. I Just need to make sure...
  14. B

    Help required!! Ferroli F30 E boiler will not fire up

    Hi. I have a 10yr old Ferroli F30e, BOILER that stopped working, I have had a new PCB a new fan and a new air circulator switch and it will not fire up everything sounds like it is working just refuses to spark up, there is no LED light to indicate ignition work. Any suggestions I am desperate????
    • buncie
    • Thread
    • boiler ferroli fire
    • Replies: 1
    • Forum: Boilers
  15. M

    Ferroli Optimax 31c no hot water

    Hi Guy's this is my first post (I wasn't even aware such an amazing resource existed) so well done! I have A Ferroli Optimax 31c that sprung a leak on the water inlet plastic manifold (39837170) due to a hairline crack. Now, I am aware that these boilers do not have a good reputation but I...
    • Macktt
    • Thread
    • ferroli hot water water
    • Replies: 4
    • Forum: Bathroom Advice
  16. F

    Ferroli Domicondens A51 error code

    Hi Guys, New to this forum so hoping someone can help? Have a Ferroli Domicondens 26c fitted in my flat (was here when I bought the place), I am told it is less than 2 years old but no warranty as there is no paper work. The error code A51 shown up on the boiler and now I get no heating or hot...
  17. H

    Ferroli domicompact f30d

    Hi, looking some advice. While servicing a ferroli domicompact f30d i noticed that the plastic blanking cap for twin flue outlet was took off! When i put it back on boiler wouldn't fire so i thought venturi needed replaced but this didnt cure the fault. So im thinking the fan has just aged and...
  18. T

    Ferroli Domicondens 26C Help hot water takes a age to heat up..

    ok so a month ago I had this boiler fitted and all seemed ok until the boiler started with a error code (cant remember now what it was) so I contacted ferroli and they came out next day and replaced the PCB and the error stopped and the boiler seem to work fine again the problem is as the boiler...
    • tgvirus99
    • Thread
    • ferroli heat hot water water
    • Replies: 5
    • Forum: Bathroom Advice
  19. L

    Ferroli Optimax HE31 C - No hot water or heating - no error code

    Hi all, Unfortunately this is yet another Ferroli problem! We've had a few problems in the past with this but thankfully we've always been able to solve them through advice from forums. Previous problems and solutions are listed below: 1. The boiler does nothing but display 'noCa' on the...
    • lightdream
    • Thread
    • ferroli heating hot water water
    • Replies: 1
    • Forum: Bathroom Advice
  20. B

    Ferroli DOMIcompact F24B - Both fuses blowing on PCB ??

    Hi All Recently purchased a flat and i know the boiler has not been used for months as the place was unoccupied. It does power up for a few second then BOTH fuses blow on the PCB, the display shows '7' when the power is on. Could this be something simple like a stuck CH pump (Grundfoss) or...
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