How to mend Combi Pressure Fault

1

my Vaillant thermocompact combi will not light. fault no f.28?

I switched off boiler to flush out a cold radiator. Refilled system till pressure was ok,bled the system ok,sw... [Read more]

51

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

4

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

1

Bosch 350 Combi. CH not working domestic water OK?

Bosch 350 Combi. I have a similar fault to an earlier posting in that domestic water is OK but central heating... [Read more]

1

How to cure low pressure on a Bosch 24i combi?

I have a Worcestor Bosch 24i which constantly loses system pressure. There are no leaks & the PRV isn't passin... [Read more]

2

baxi bahama 100 combi knackered again-advice requested?

After several flow switches and a new PCB over the years my Baxi boiler has developed another fault. I am assu... [Read more]

2

baxi 105e gas fires up then goes out after approx 1 second?

I have a Baxi 105e combi. Problem was I was getting no gas flow to the burners. checked the pressure switch ... [Read more]

23

Glow-Worm 24ci combi bolier - low pressure!?

Hi I have a Glow-Worm 24ci combi boiler, the pressure has fallen to 0.4 bar and is flashing, with the red faul... [Read more]

2

why dose`nt my why water heat up(baxi combi instant 105e)?

my preheat on my baxi combi instant 105e works fine ,but when i turn on the hot water tap the boiler won`t fir... [Read more]

10

Pump fault/low pressure on Baxi Combi Boiler 80E?

I bled my radiators that are heated by Baxi Combi Boiler 80E now the boiler is giving a fault, "Fault on pump ... [Read more]

7

Vokera Linea 24 Combi Boiler - water Pressure keeps dropping error 04 why?

I have moved into a house 2 years ago which had an 8month old Vokera Linea 24 Combi Boiler. It has worked a tr... [Read more]

1

I have a fault on my sime super 90 plus combi manufactured 1996?

when opening the hot water tap to demand hot water, I have to turn the pressure up a great deal more than I us... [Read more]

2

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]

29

My combi boiler wont work .... low water pressure????

Our Britony combi SE Boiler by Chaffoteaux & Maury wont switch on the fault code is saying that there is low ... [Read more]

19

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

1

baxi genesis 80?

intermittant fault: when using hot water only,there is none. so c/heating must be put on, then hot water works... [Read more]

12

Baxi Bahama 100 - Pressure rising only when heating on!?

Hi, to anyone who can help me :-) I have a Baxi Bahama 100 combi boiler. Just recently, it has developed a ... [Read more]

1

the dreaded ariston question?

i still have a ariston euro combi a/23. i was told the air pressure switch may be at fault for the lack of co... [Read more]

4

Combi boiler dropping pressure fast?

I have an old Potterton PUMA 80e combi boiler that's losing pressure fast. Over the last year or two I've had... [Read more]

2

Hot water tap for the bath not working properly?

Hi Guys, Hoping someone can give me some sensible advice. I've got a combi boiler(Valliant TurboMax), and i... [Read more]