How to mend ... Fault Boiler Heat

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

how to locate problem?

baxi 105 he hot water ok .when heating selected low pressure punp fault led lights if you run hot water 5 seco... [Read more]

Ideal HE24 Isar?

i have an ideal he24 isar boiler with the fault l-9 the plummer told me i have to change the heat exchanger ... [Read more]

sometimes does not come on?

my combi boiler sometimes decides not to heat the hot water or heat the central heating,if you turn the hot ta... [Read more]

Heatline boiler showing f5 fault?

My heat line boiler is showing an f5 code and keeps cutting central heating and hot water off any ideas how to... [Read more]

How do i solve a Remeha Avantaplus E7 fault code?

My boiler is approx 6yrs old and has now stopped supplying hot water after an E7 error code. The central heat... [Read more]

How to fix fault with my Sime 30HE boiler keeps cutting out?

The boiler runs ok for a couple of days then wont heat the water. Green light flashes, reset the boiler by swi... [Read more]

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

28i starts up but then switches of fast flashing fault light?

boiler makes hot water & will heat radiators but after about 10 min switches of and give a fast flashing fault... [Read more]

ravenheat primary mk 1 heat only fault?

i was called to a customers boiler not working following new gas mains work in street. i reset the boiler and ... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]

i have no heat or hot water on worcester bosch greenstar 30cdi boiler?

no heat or hot water on greenstar30 cdi, no fault code but will not reset. flame light not lighting rapid flas... [Read more]

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]

Glowworm Ultimate 70ff won't cold start properly?

I have replaced the air pressure switch and the pcb and still I have a problem. When the boiler comes on from ... [Read more]

Glow worm 18hxi boiler with f5 fault light?

After a problem with my fuse box, my heating is not working, I have checked the boiler (Glow worm 18hxi) and I... [Read more]

How do I find fault on a Worcester Heatslave 15/19 conventional flue?

My boiler does not heat tap water, although some rads get hot when I bleed them

Ferroli 38 HC/Heat Exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]

glow worm boiler?

I have a glow worm boiler 18hxi and all though it comes on and starts to heat the water after a short time a f... [Read more]

Ferroli Boiler HE 38C/Heat exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]