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  1. T

    Fault on ferroli falcon 2

    Hello, I have a ferroli falcon 2 boiler (yes it is pretty old). A few days ago the hot water started going hot and cold when running. Monitoring the boiler, the demand light works fine. When the water gets up to temperature every 10 seconds or so, the boiler stops for a fraction of a second...
  2. J

    Ferroli 32c He no hot water

    Ferroli 32c he (combi) So after having a 2 week holiday, we have come home to no hot water. It just cycles on off every second. Heating working fine and have to use it for the water to be hot. No fault codes. Clicking noise in the pcb on trying for hot water? Things I have checked. Diverter...
  3. P

    Ferroli system boiler CH comes on when HW called

    Hi, would appreciate any thoughts on the below. I have an almost 10yr old Ferroli Modena 32S HE system boiler. (I am aware of their reputation! ) 2 weeks ago HW went lukewarm. When HW was called, the rads came on. The cylinder motorised valve has been replaced today, but it's not fixed the...
  4. W

    Ferroli optimax pcb blow

    Ferroli optimax 25 OV Pcb blew after turning on after pump replacement. Nothing on display blank.power on board ok. Fuse not blown? Hence Could also be ignition dcfo2.1 pcb? Could this also blow? May need to replace both? Awaiting refurb Display board. Any advice many thanks
  5. T

    Ferroli instant water heater

    Hello, I have a Ferroli SKY F 14 instant water heater that shows error A01. Once I hit reset the water heater fires up normally and modulates the gas and the temperature with no problems. Once the water is turned off, and stays off for a while, once it is turned on again the first time it...
  6. B

    Ferroli boiler 27C HE

    FERROLI BOILER..im struggling with a clients 27C HE....water leaks from condenser pipe all the time the heating is on ..when its off the pressure drops down completely but there's no apparent leaks anywhere ....HELP
  7. A

    Ferroli DOMIcondens HE HIVE WIRING HELP.

    Hello I am a diyer, I am looking at fitting a hive thermostat to my boiler but can't see a wired diagram of where the wires of the hive go on the boiler that's the only part I am stuck on so if anyone could help would be much appreciated.
  8. F

    Ferroli fault every Sunday

    Hey there. We have a Ferroli boiler in our commercial premises. It is set on a schedule for 9-5 Friday and a few hours on Saturday and Sunday mornings. Every Sunday morning we come into an error code of A01. I know what the code means but what I wanted help with is why does it happen on the...
  9. N

    Ferroli 901 short cycle

    good evening, I've got an issue with my ancient however well maintained ferroli 901 boiler, it short cycles, it stays on for 35 seconds, then shuts off for approx 10 seconds and repeats all day, this never happened last winter, just this winter since turning it back on. When turned on is...
  10. seanadams121

    Ferroli f34 fault for my sins

    Hi. Does anyone know the cause and solution to the f34 fault on a ferroli? The manual is saying its the low voltage error and to check the supply. Im assuming that its correct as installed and this is a pcb fault. Has anyone had any experience with this fault before i go out tomo? Cheers lads
  11. M

    water seepage Problem ( Ferroli domicompact c30d )

    Hi everyone i have this problem with ( Ferroli domicompact c30d ) water seepage any advice how can i fix it ??
  12. B

    Anyone used Ferroli 50l unvented, any good?

    I’m talking about the wall mounted water in/out at the bottom, small unvented cylinders. I have used Hyco 50l powerflow unvented, they come with all the controls for just under 400. Anyone have experience of Ferroli SEV 50 l unvented as they seem quite a lot cheaper, 240.
  13. D

    Hive Active Heating Thermostat & Ferroli Domicompact F30 combi

    Afternoon all, bit of a long-shot. My brother in-law is an electrician. I’m and average DIY-er. we’ve installed a Hive Thermostat onto my boiler, which is a Ferroli Domicompact F30. everything is wired in: hub connected to router/internet receiver connected to power & boiler thermostat...
    • Deleted member 118509
    • Thread
    • combi ferroli heating thermostat
    • Replies: 22
    • Forum: UK Plumbers Forums
  14. B

    Ferroli HE 31C - Pressure is showing as almost 2, but get F 37 error everyday

    Hi all, I have a Ferroli HE 31C boiler, and in the last days, every morning I need to re pressurize the boiler to get the heating/water running. (Showing F 37 error) The pressure gauge shows around 1.7, but doesn't seem to move when "re-pressurizing" When re-pressurizing, I open the valves...
  15. B

    ADVICE please - Adding pressurised Leak Sealer to Ferroli Combi?

    Hi All I have a Ferroli Domicondens F24 and it's slowly losing pressure after a few days, i can not find any leaks anywhere so looking to use a pressurised can of Sentinel Leak sealer - Sentinel LS Rapid Dose Leak Sealer & Adaptor 300ml -...
  16. S

    Ferroli Falcon (Mk 1) Causes of Shutdown v Lockout

    Hi all - I have a Ferroli Falcon (Mk 1) which shuts down after 2-3 of running then lights straight up again on CH and on DHW. It is not locking out so I am trying to eliminate everything that could cause a lockout. Can anyone confirm if the limit stat, overheat stat, APS or low water pressure...
  17. G

    Ferroli compact 30

    Hi Guys, I heeded and took your advice regarding calling in a Gas Safe engineer to look at this F5 fault on this Ferroli compact 30 boiler. It was good advice and I thank you for it. As I explained I am an electrical/ electronic engineer. When the gas engineer called he immediately took a look...
  18. K

    Ferroli experts? A01 fault code

    Hi, is there any ferroli experts here? Looking for some advice on a Ferroli i29, attended a couple of times on an A01 fault code, cleaned condensate trap, hose, also connection at p trap. Tested all working when left on both occasions but the fault reoccurs in a week. Any advice would be greatly...
  19. G

    Ferroli sigma 40 60 issue

    Im trying to fix a Ferroli sigma 40 60 heat only boiler. As soon as its powered on the main board trips. instantly. I disconnected the fan and it stops tripping, so im thinking simple enough change the fan unit. Measured the ohms and it reads 75 which sound about right. connected the fan to a...
  20. M

    Any Ferroli optimax he plus 31 c gods on here?

    I have above boiler with A41 flashing up flow sensor disconnected. So i have checked for loose wires pcb end and sensor end. I have checked the ohms on the sensor both sides and got 11k on both that was both through the wiring loom and straight onto the connections. Which says to me that there...

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