How to mend ... Red Flashing Light

what does an FO code mean?

My boiler has a flashing red triangular light with an FO code what does this mean?

suprima 40?

I am corgi registered but more installing than fault finding .thanks for the advice ,But i have changed the pc... [Read more]

potterton suprima 60l?

boiler wont kick in when you start it you get a constent flashing green amber light then goes red tryed the re... [Read more]

suprima 40 ?

i have a suprima 40 that makes no attempt to spark . the fan and pump run and then it goes to flashing red lig... [Read more]

Potterton Suprima 70 red light solid?

What does this mean? The red light isn't flashing and reset has no effect. The system is quite dead.

no hot water red light flashing can not locate reset button?

red light flashing and have no hot water and the pressure fine, i cannot locate a reset button on the control ... [Read more]

no hot water, red light flashing but not resetting when you press it?

the red light is flashing but not resetting when you press it, there is no hot water, the pressure is fine.

Potterton Performa 28, flashing red light low pressure or pump fault light?

Pump failure, but replaced with new pump which runs but the system would not fire up and just flashes at the 6... [Read more]

my vokera option boiler suddenly stopped working?

Moved into my house 2yrs ago-no manual- washed up no problems then after 30mins no hot water. pressure is low ... [Read more]

Fault F.28?

My Vaillant boiler is showing F.28. The green light is flashing and the red light is on all the time. I have p... [Read more]

no hot water from worcester 24 cdi?

i have a worcester 24 cdi combi boiler, the red light keeps flashing on the radiator dial, no hot water and th... [Read more]

worceter 28si II?

no hot water or heating red light flashing reset no change 28si 11 worcester

how can i fix worchester 24i junior?

red light on boiler flashs when heating is put on or hot water is needed , i have to push button in to stop f... [Read more]

how can i fix my 35 CDi?

My heating keeps going off resulting in red flashing light, will reset by pushing red button but only results ... [Read more]

how can i fix my boiler?

i have got vokera excell80e it is not firing up . pressure is reducing very quickly. as soon as i top up press... [Read more]

worcester 28Si?

I have a flashing 'on' red light where I usually have a solid light??? No Heating any suggestions

Red Recieve light constantly flashing wireless Digistat RF2?

Hi, I have a Drayton Digistat RF2 wireless system that has worked OK for about two and half years, however ... [Read more]

Potterton Suprima 30 cutting out- green flashing light?

Hi, I hope you can help. I've just had a new PCB fitted and now when the demand is on for either the hot water... [Read more]

Boiler Greenstart 24i System falshing blue light ?

I have recently had an electrician change the Main fuse box and he has been turning on and off main electricit... [Read more]

Code appeared in Glow-worm Boiler display F5?????

glowworm 18hxI conventional boiler, with red light flashing F5 in digital window?