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We have 378 questions about mending 'boiler out flashes'

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Mend Heating, Home Heating Systems

Hi, how I can fix my boiler glow-worm flown30 si?

how I can fix my boiler glow worm flow model 30 si? My boiler flashes F5 on the panel, no heat and no hot wat... [Read more]
Mend Heating, Home Heating Systems

how I can fix my boiler glow worm flow model 30 si?

My boiler flashes F5 on the panel, no heat and no hot water, I looked for the red switch I could not find it, ... [Read more]
Mend Heating, Home Heating Systems

boiler wont light when tap is turned on?

Bosch/worcester junior 24i combi bolier. red light flashes, i have reset it but the boiler wont fire up on dem... [Read more]
Mend Heating, Home Heating Systems

help me with my vokera 35 he?

Just fitted a vokera 35 he. The green light flashes every 8 seconds as it should but every time I turn on the ... [Read more]
Mend Heating, Home Heating Systems

how do i fix my alpha combi boiler?

i have a alpha cb24x combi boiler when i switch it on it tries to fire then cuts out and flashes both the red ... [Read more]
Mend Heating, Home Heating Systems

no hot water, boiler does not ignite?

sometimes the boiler does not ignite the light flashes goes off,no hot water or heating, but sometimes works f... [Read more]
Mend Heating, Home Heating Systems

Lost of hot water Bosch Worcester?

I have an intermittent fault on a Bosch Worcester combi. The hot water stops working and a red light flashes. ... [Read more]
Mend Heating, Home Heating Systems

Ideal Combi Boiler Esprit HE30?

Boiler installed in loft Jan 09, programmer no. Excel HE installed in hallway. Boiler comes on at times when ... [Read more]
Mend Heating, Home Heating Systems

Main 24HE Combi Boiler?

Hi - I have a Main Combi 24HE boiler which has stopped working.The power light flashes about every 3 seconds, ... [Read more]
Mend Heating, Home Heating Systems

worcester digistat for 28cdi?

I have just installed a worcester digistat to my boiler, i followed all instructions to the letter. The unit ... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

sime boiler freindly format 80 keeps shutting down hot water?

the light on the heating radiator side flashes from green to orange.and heater shuts itself down
Mend Heating, Home Heating Systems

vailliant boiler has no c/h but hot water?

new ecotec 837 central heating doesn't work, but hot water does. Seems to be a problem with the sensor that go... [Read more]
Mend Heating, Convector Heaters

Combi drain down now no hot water !?

I have a five year old Biasi boiler. It has been working fine. Today had to swap radiator and drained down sy... [Read more]
Mend Heating, Home Heating Systems

Ideal mini c24. intermittent CH, main green flashes normally?

Hi The Ideal mini C24 boiler is about 4-5 years old. Its been working intermittently for the last couple of y... [Read more]
Mend Heating, Home Heating Systems

How can I make my combi boiler recognise the room thermostat ?

I have a combi worcester boiler installed by british gas. It has been fine until the batteries ran out in the ... [Read more]
Mend Heating, Home Heating Systems

problem with Halstead Ace High Boiler?

My boiler won't fire up the central heating or hot water, the burner fires up for about 5 seconds and then sto... [Read more]
Mend Heating, Home Heating Systems

potterton suprima 40l boiler will not start every time?

have had both heat controller's fitted OK for a week then problem started again .Green led flashes red led sho... [Read more]
Mend Heating, Home Heating Systems

potterton supremer 401 boiler ?

heating engineer fitted two heat controllers to my boiler it seamed to do the trick for a week but fault came... [Read more]
Mend Heating, Home Heating Systems

Advice on possible reasons for Combi Boiler problem?

I have a Worcester Bosch 28si Junior Combi Boiler, (3 years old). No problems until very recently when having ... [Read more]
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