How to mend ... Flashing Hot Water

What does -//- mean flashing on my Worcester Bosch 37cdi, no heating!?

I think there is something wrong with my thermostate, as the heating was coming on and off at it's own pleasur... [Read more]

Intermittent loud noises from 37cdi boiler?

worcester 37cdi boiler has suddenly taken to making loud intermittent growling noises when either heating or h... [Read more]

Sabre HE boiler - no hot water?

Sabre HE boiler - no hot water - Green light flashing and when tap turned on it sounds as though water is runn... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

f5 flashing?

I am getting f5 problem with no hot water or heating

Worcester Bosch 25si not igniting?

Due to the recent very wet weather and strong winds, my boiler has gone into fault with flashing red light, I ... [Read more]

what does the error code F1 mean?

My boiler is flashing an error code F1 and whilst it lights, it immediately goes out and I cannot get any hot ... [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]

My BIASI boiler works for hot water but no heating?

My boiler works when we use the hot water, but the heating is not working. The green light is constantly flash... [Read more]

worcester 28i junior?

just replaced and boiler serviced 2days after stop heating and hot water gone red flashing light wont go pleas... [Read more]

Alpha CB24 Flashing Indicator Neons, No Hot Water/Heating, please help?

On sunday I discovered my Alpha CB24 had no power. On inspection, the main terminal fuse had blown. With a bit... [Read more]

FERROLI OPTIMAX HE 31C flow sensor and water coming out the bottom!?

Hi All, New to the forum but really hoping someone can advise, We have a 5 year old OPTIMAX HE 31C boile... [Read more]

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]

Why is red light still flashing?

My heating and hot water are working but the red light on low pressure system is still flashing? I have an eld... [Read more]

No hot water on boiler 24vci, have central heating no fault code is showing?

No fault code is flashing, I have heating but no hot water. We have replaced the diverter valve, the flow swi... [Read more]

Chaffoteaux Mx2 24 error 50?

What could be the problem turn boiler on all works ok boiler ignites temp rises then boiler shuts down with er... [Read more]

baxi 80he plus lights flashing?

my baxi 80he plus would not work at all and no neons lit up.After changing the pcb the power light comes on b... [Read more]

baxi 105 e 50oC light flashing (no heating or hot water)?

can anyone indicate what might be wrong with my boiler as when i switch the heating to come on the 50oC light ... [Read more]

how can i fix my baxi 105he?

i have no heating or hot water from my boiler. It does ignite for a few seconds but dies off and i get flame f... [Read more]

My ideal isar boiler. I have hot water but no heating?

Can anyone help? I have an old ideal isar combo boiler. I have boiling hot water but when the heating tries to... [Read more]