Fix Fault Worm

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We have 1878 questions about fixing 'worm'

Glow worm Fuelsaver F swiches itself off?

Usual story ! Having had the heating off all summer, I turned it on for the first time yesterday, everything worked fine then after about 15 minutes the heating went off. Looking at the boiler (wall m ... more


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Glow worm Fuelsaver F - switches off!?

Having had the heating off all summer, I turned it on for the first time yesterday, everything worked fine then after about 15 minutes the heating went off. Looking at the boiler (wall mounted G/worm ... more


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whats wrong?

I have a glow-worm 80 my heating system is working fine but my hot water has no pressure and is not very hot


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Glow-Worm 24ci combi bolier - low pressure!?

Hi I have a Glow-Worm 24ci combi boiler, the pressure has fallen to 0.4 bar and is flashing, with the red fault light flashing as well. I have tried to fill the system using the filling device, but n ... more


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How can i fix it,Glow-worm swiftflow 80,?

Whats wrong with it ? On heating the pressure soon gets up & blows off through the valve ! Starting pressure, cold, 1.0 -1.5 bar ! Pump running ! Rads getting warm


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what does F1 mean?

what does F1 mean with regards to a fault on my glo.worm 24ci


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Glow worm 30ci, When heating is on the pressure goes up to 3 bar?

Glow-worm 30ci when the heating is on the pressure goes upto 3 bar, and then when its cold it goes back down to 1 bar. I have looked on the internet and it sounds like the pressure in the heat exchan ... more


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how can i fix my glow worm fuelsaver mk2?

my pilot light went out and re-lit fine but has recently continued to do this.i have replaced the thermocouple with the same type but the pilot flame will not stay on...any ideas on whatever else coul ... more


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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


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Glow worm Swift flow 80 Boiler Combination boiler?

The boiler only supplies hot water if the central heating is switched on. What can be wrong with it


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Glow Worm Space Saver 38 fault?

It's a really old one but was fine until this morning when I gave it a clean. Hoover in and got all the muck out (the heat exchanger leaks so limescale builds up on the burner). Put it back together a ... more


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How can I fix my Glow-worm swiftflow boiler?

My boiler keeps losing pressure when the heating is not on. I have drained all the air out of the radiators. Is there something I am not doing that is causing this pressure loss? Thanks


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what is wrong with my glow worm fuelsaver mk11 boiler?

The pilot light stays lit, but the boiler doesnt fire into action when the heating or water are turned on. Any ideas or suggestions?


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How to fix the worm gear on a Bell&Howell 1695 TQ11?

I want to try and replace the worm gear (non animation) on my Bell&Howell 1695 TQ11,i have a new gear!


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what is wrong with my glow worm mark 2 boiler ?

i light the pilot light and thats ok, turn on the thermostat and the timer and the boiler fires up, stays on for a short time,say 10 to 15 mins then stops, shuts the gas off, and the pilot light goes ... more


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Over pressure in Glow Worm Swift Flow 80 Boiler - dangerous??

I have a Glow Worm Swift Flow 80 Boiler. It is over pressurising itself to 4 bar when on for just a few minutes. When switched off pressure drop to about 2 bar (although I only pressurised it to 1 bar ... more


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pilot won't stay lit on glow worm swift flow 100?

changed thermocouple and still won't stay lit, think it may be the gas valve. but at £100 for the part does anyone know what else i could try before i make an expensive discovery


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glow worm 24ci?

The pressure seems to be stuck at 0.4 and is flashing. I know it needs to be at least 0.7 but don't have a manual. Can anyone explain how I can increase the pressure and why it fell in the first pla ... more


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how do I check oil level in my Skilsaw?

how do I check the oil level in my Skilsaw 7 1/4" worm drive and what type of oil do I use


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pilot light adjustment for Glow-worm surewarm combi boiler?

how do i adjust the pilot light on surewarm combi boiler. very small flame dont think it is reaching thermal coupling tip. is this simple operation?


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