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Fix Fault Main

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We have 875 questions about fixing 'main' in category Heating, Home Heating Systems

HELP! Vaillant combi inop. No Spark VCW GB 242EH?

I have a Vaillant Combi VCW GB 242 EH and it will not ignite, No Spark, No Gas (No Voltage to Ignition Module for Ignition leads nor voltage to gas valve) Fan runs when Heating switched on, have repl ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

user manual or information?

Hi, a friend has a potterton netaheat 10-16. The fuse on the main board keeps blowing. From start, everything goes ok until the boiler starts to spark then the fuse blows. This happened with 2 fuses i ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

What may be wrong?

We have a Potterton Netaheat 10/16 boiler and the ignition is coming on and the main burner BUT it will not stay on but keeps trying to! Any ideas? Many thanks B Thompson
home Fix label Heating label_important Home Heating Systems category Pottertondone

A lesson learnt!?

Initially, pilot light not staying on. Obvious remedy...new thermocouple, or so you would think! I am a plumber but also 'dabble' with heating. I had a spare (brand new) thermocouple and so fitt ... more
home Fix label Heating label_important Home Heating Systemsdone

How can I fix my Vaillant Turbomax 242E heating boiler?

My faithful Vaillant is now 10yrs old with a couple of parts changed over the years, divertor Vv and clock if my memory serves me. On return from my hols recently the heating came on for a short while ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Potterton Puma 80 firing on and off?

My Potterton Puma 80 comi boiler starts firing on and off after it has been running for a few minutes - both hot water and central heating. Pilot light is fine, but the main gas burner goes on and of ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

pilot lights but main burners dont?

glow worm bolier central heating and hot water
home Fix label Heating label_important Home Heating Systemsdone

how can i fix my boiler glowworm ultimate 60 ff?

glowworm ultimate 60 ff,electrode sparks but pilot does not ignite consequently neither does main burner all else appears satisfactory cleaned reset not nec.( this problem was somewhat intermittent to ... more
home Fix label Heating label_important Home Heating Systemsdone

creda storage heater broken?

two of my electric storage heaters have stopped working, they are on economy 7 tariff. One of them has a electric fasn element, that still works, but the main storage heater doesnt heat uo at night... ... more
home Fix label Heating label_important Home Heating Systems category Credadone

Worcester Bosch 350 combi.No central heating but hot water?

My boiler now does not work when using the central heating. It did work intermittently originally- hot water is fine. I have had Worcester out to replace sequence & main driver boards & auto vent. ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

My Glowworm ultimate boiler will not fire?

My pilot lights and stays alight. The electrode continues to spark - which it shouldn't , however the main burner will not light. After discussion with friends it would seem that thermocouple is not w ... more
home Fix label Heating label_important Home Heating Systemsdone

Glowworm Fuelsaver 55F not igniting?

Hi, The pilot (and hence main burners) on my Fuelsaver 55F are not lighting. The ignition is firing away but no gas it would appear. I've put a voltmeter across the terminal to the solenoid valv ... more
home Fix label Heating label_important Home Heating Systemsdone

How can i get my glowworm 240/6 back bioler to lite up?

I have got an old glowworm capricorn 240/6 back boiler,pilot light is lit but main boiler will not lite up could this be the thermostat, as when i adjust the knob on stat it should start up but it do ... more
home Fix label Heating label_important Home Heating Systemsdone

glow worm 80f fuelsaver stopped working?

my glowworm 80f either trips the electric off,fails to spark or sparks but doesnt light pilot light or lights pilot light but not the main burners.sometimes it works fine,but most of the time it is on ... more
home Fix label Heating label_important Home Heating Systemsdone

how can ifix?

i have an ideal turbo 2(boiler) which will not go to main burner pilot light lit any ideas
home Fix label Heating label_important Home Heating Systemsdone

Problems with a Potterton Netaheat 10-16 Boiler?

Even with the central heating turned off the radiators come on with the hot water. I assume this must be an electrics problem. Is the main PCB faulty. Any advice gratefully received.
home Fix label Heating label_important Home Heating Systems category Pottertondone

how can i fix my apolo 15/30?

someone switched off the boiler at the main switch instead of via the thermostat and timer.although the pilot remain lit. however, when i switch to constant the boiler does no tfire up. What is the po ... more
home Fix label Heating label_important Home Heating Systemsdone

how to fix my BAXI INSTANT 105E?

system is 4 years old. problem is the heating will not come on, i only get hot water. main boiler pilot light comes on when switching system on from cold, system temperature climbs to 80 degrees on th ... more
home Fix label Heating label_important Home Heating Systems category Baxidone

Problem with my Glow-Worm Fuelsaver MKII?

Hello, I really hope someone can help. I have an Glow-worm Fuelsaver MKII installed in a 30 year old property. I want to avoid replacing the system. It has been making pipe noise at the boiler tha ... more
home Fix label Heating label_important Home Heating Systems category Glow-Wormdone

Changing a hot taps washer on a combi system?

I need to change the washer on a sink tap (hot) in my bathroom. The system is a combi boiler, is it as simple as just turning the boiler off, or should I turn of the main as well?
home Fix label Heating label_important Home Heating Systemsdone

Fix Fault - Heating, Home Heating Systems

home label Heating label_important Home Heating Systems

Fix Fault - Heating, Home Heating Systems

home label Heating label_important Home Heating Systems

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