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We have 851 questions about mending 'boiler after power'

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Mend Heating, Home Heating Systems

british gas 330 high efficiencycondensing boiler?

tried reset then f13 tried reset up came f12 now nothing checked power its ok
Mend Heating, Home Heating Systems

Vailllant ecotec plus 937 - fault code?

I had a power cut and switched off my boiler (ecotecplus 937). When power was restored I put it back on and th... [Read more]
Mend Heating, Home Heating Systems

Ravenheat csi Low Nox boiler problem?

Hi I am not a plumber nor do I claim to be and I am hoping for assistance Our boiler has been absolutely fin... [Read more]
Mend Heating, Home Heating Systems

Why does my boiler keep switching on and off?

The boiler is a Main HE condensing. The problem only occurs when Hot Water Only is selected. If run from stone... [Read more]
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Eurocal oil fired boiler - HOT water no heating?

i have hot water but the heating wont come on i turned the boiler power off for a week when we went on holida... [Read more]
Mend Heating, Home Heating Systems

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
Mend Heating, Home Heating Systems

has the central heating pump gone no clock?

power to the spur dowmstairs keeps blowing the 3 amp fuse no clock or power to boiler in the kitchen has the p... [Read more]
Mend Heating, Home Heating Systems

Variable hot water - Vokera Excell 80SP?

I have an issue whereby when in the shower, the hot water varies in temperature. Every few minutes the heat d... [Read more]
Mend Heating, Home Heating Systems

No light in running lamp glowworm 18si?

boiler working fine, turned control panel to off for both heating and water for weekend, return pressure gauge... [Read more]
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Red solid light on volkera compact he. Help?

The boiler decides to work now an then but no good when you want heating or water. It fires up an stays fired ... [Read more]
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no power to boiler?

as i said no power, checked fuse in plug,checked cable to boiler no sign of problems, no water leaks, nothing ... [Read more]
Mend Heating, Home Heating Systems

My Ferroli optimax HE Plu 31 C No power?

The boiler suddenly stopped working. No power. No display, Iv tried swithcing it on but it doesnt work. Just v... [Read more]
Mend Heating, Home Heating Systems

no power in the boiler highflow 400?

an electrician connected roomstat to my boiler now there is no power in it. (completely dead)
Mend Heating, Home Heating Systems

Pilot light?

I have a Jaguar boiler and the pilot light is out due to a power cut. How do I re-light it?
Mend Heating, Home Heating Systems

how can i fix my potterton promax 24/2 he plus?

Hi there my boiler has stopped working i press my reset button and it seems to want to start up but it just cl... [Read more]
Mend Heating, Home Heating Systems

Please could anyone tel me why my boiler constantly shows err 501. I reset?

Sometimes reset works, sometimes one has to power off and start again. This has been happening many times over... [Read more]
Mend Heating, Home Heating Systems

baxi solo wm 40/4pf - won't light?

Hi I have a boiler problem that is proving perplexing. It wouldn't fire up so I worked with the fault findi... [Read more]
Mend Heating, Home Heating Systems

How can I fix Glow worm flexicom 24HX?

There is no power to the boiler? The MCB that feeds the boiler is ok, I have checked the fuse inside the boile... [Read more]
Mend Heating, Home Heating Systems

Ferroli 102 Modena- no power to boiler -?

have gas + elec - power is gping thur to fused spur but not to boiler, was working ok but just suddenly stopp... [Read more]
Mend Heating, Home Heating Systems

Hi I have no hot water or heating?

My ariston boiler is reading fault code 6 HE I turn on the power and it goes straight off again

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