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We have 299 questions about mending 'central heating fault'

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Mend Heating, Convector Heaters

Fault on Pump/Low Pressure - Potterton Performa 30 HE?

Our heating system (Potteron Performa 30 HE) is giving a fault saying 'fault on pump low pressure', which basi... [Read more]
Mend Heating, Home Heating Systems

LANDIS & GYR PROGRAMMER - HW OK BUT NOT WITHOUT CH?

I have recently moved into new flat with Baxi Solo 3 50 PF boiler. There is a Landis & Gyr programmer (don't ... [Read more]
Mend Heating, Home Heating Systems

POTTERTON SUPREMA 60L?

When the hot water and central heating are turned off by the controller the central heating pump continues to ... [Read more]
Mend Heating, Home Heating Systems

Jaguar 23Kw - FO fault?

When the Central heating is on there is warm water coming out of an expansion pipe , therfore the system loses... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Vokera Compact combi boiler ?

When i put my boiler on to central heating it fires up then runs for roughly 5-10 seconds then the flame goes ... [Read more]
Mend Heating, Home Heating Systems

Valiant vuw 242/1e dhw fault?

Have a client with above boiler who's dhw would only work when there was a large demand-eg tap belting out. G... [Read more]
Mend Heating, Home Heating Systems

no water pressure on vaillant hot water unit?

have had to remove central heating units to lay new floor .When put back there was no water pressure shown on ... [Read more]
Mend Heating, Home Heating Systems

No hot water except when rads are on?

Unless we have the central heating switched on, we cannot get any hot water on our Ravenheat RSF 820/20T. Wha... [Read more]
Mend Heating, Home Heating Systems

How can I diagnose my Glow worm Fuelsaver F100 boiler problem?

My ageing, but until now perfectly reliable, Glow worm wall mounted central heating boiler appears to have dev... [Read more]
Mend Heating, Home Heating Systems

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]
Mend Heating, Home Heating Systems

central heating problem?

the only way i can get radiators in the sitting room and hall to work is i have to turn off the radiators off ... [Read more]
Mend Heating, Home Heating Systems

baxi 105e just cuts out intermitantly?

i have a baxi 105e combi boiler. it cuts out with the flame failure light flashing .replaced both flame senso... [Read more]
Mend Heating, Home Heating Systems

My Potterton Prima F60 boiler keeps firing?

My potterton prima F60 boiler keeps firing when programming unit indicates both hot water and central heating ... [Read more]
Mend Heating, Home Heating Systems

how can i find out if my potterton ep2001 programmer is u/s?

I belive my potterton ep2001 programmer is nackered as it will only put the central heating on twice a day no ... [Read more]
Mend Heating, Home Heating Systems

i have a vaillant 837e boiler which indicates f24 in the display panel?

my vaillant 837e stops heating water and central heating once or twice a day,when it does this fault code f24 ... [Read more]
Mend Heating, Home Heating Systems

How to set clock on Worcester Bosch Greenstar 28i Junior?

Hi there, our heating doesnt go off when the time goes past the time I set it for. I cant find clock setting i... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85 Boilern fault?

The only way I can get my central heating to work is if I switch the boiler of at the mains leave for an hour ... [Read more]
Mend Heating, Home Heating Systems

halstead ace he30?

panel showing fault num 3, where it would normaly show c for central heating, or h for hotwater
Mend Heating, Home Heating Systems

Jaguar 28 Boiler?

I have a problem with the central heating on my boiler - Jaguar 28. The hot water runs fine but nothing happen... [Read more]
Mend Heating, Home Heating Systems

how do I purge my combi boiler?

My gas supply was disconnected due to a fault in the street now it's back on my pilot light on my combi boiler... [Read more]
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