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Mend Central Heating Hot Red

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We have 140 questions about mending 'central heating hot red'

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Mend Heating, Home Heating Systems

My Worcester greenstarHE shows red light flashing and FO code & doesnt fire?

Just returned from a holiday and found CH doesnt work. Red light next to the triangle flashes and FO code flas... [Read more]
Mend Heating, Home Heating Systems

no hotwater on worcester 24cdi ?

My central heating works ok but when I come to run the hot water for a bath the light indicator (red) does not... [Read more]
Mend Heating, Home Heating Systems

Boiler firing up when programmer says off, and themo down?

Hey, My programmer (potterton) has been set for my hot water and heating to come on for a few hours each m... [Read more]
Mend Heating, Home Heating Systems

how can i make my central heating stay on?

I have a greenstar highflow 440 boiler. the red alarm light is on constantly and i cannot override it When I u... [Read more]
Mend Heating, Home Heating Systems

vokera boiler not firing when calling for hot water. central heating side o?

I have a vokera boiler which shows the digits 80 (in red) when we try to call for hot water. The boiler does n... [Read more]
Mend Heating, Home Heating Systems

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
Mend Heating, Home Heating Systems

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
Mend Heating, Home Heating Systems

what else can i try to reset rc10/433?

my electricity supply shut down unexpectedly but is now restored. Since then, I have hot water but no central ... [Read more]
Mend Heating, Home Heating Systems

how can I fix my vokera compact HE35?

when I switch on green led appears, boiler will not ignite after a period of time red led will come on. If you... [Read more]
Mend Heating, Home Heating Systems

I have just moved into a property which has just had central heating put in?

i have a Drayton digistat +2rf central heating system however i have set the thermostat to 17c however the tem... [Read more]
Mend Heating, Home Heating Systems

hot / cold water?

SIME Format Freindly 80e Hot water runs red hot then luke warm then red hot again just keeps up/down with t... [Read more]
Mend Heating, Home Heating Systems

worcester 24i junior boiler HELP?

I hasve a Worcester 24I boiler. I have no hot water or central heating at all. There is a RED light that is co... [Read more]
Mend Heating, Home Heating Systems

Compact 100 - Pressure Problems?

Boiler was leaking water - had pressure servicer replaced last night. Heating and hot water on - however still... [Read more]
Mend Heating, Home Heating Systems

Worcester 28si slow flashing red light - no heat or hot water?

a week ago i bled the radiators, topped up the boiler and tonight when i tried to run a shower there is no hot... [Read more]
Mend Heating, Home Heating Systems

how can i fix my halstead ace boiler ?

my boiler is on hot water only but the central heating is on as well the radiators are red hot you have to tur... [Read more]
Mend Heating, Home Heating Systems

red light constantly on vokera combi boiler?

The red light on my vokera compact HE combi boiler is constantly on. As per the manual it could be due to syst... [Read more]
Mend Bathroom Appliances, Baths and Showers

Pump is whirring but not kicking in?

The pumps on my power showers [ have 2 of them one in each bathroom, they run off same control/unit water supp... [Read more]
Mend Heating, Home Heating Systems

Thermostat Control?

I have a Digistat RF1 wireless unit which was replaced in Feb. since replacing it, a red light appears on the... [Read more]
Mend Heating, Home Heating Systems

How can i fix this problem ?

Hi my Performa 24 fails to fire-up when switched on,no hot water,no central heating and no flame failure light... [Read more]
Mend Heating, Home Heating Systems

how to fix my biasi riva compact he model m98 24sm/c2?

Biasi Riva compact HE, Model M98 24SM/C2. Not firing red and green CH indicator lights flashes continuasly, no... [Read more]
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