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Mend Worm Boiler F1

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We have 34 questions about mending 'worm boiler f1'

How to mend ... Worm Boiler F1

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Mend Heating, Home Heating Systems

What does F43 error message mean on Glow Worm 24/30cx?

Boiler got serviced last November then last night it stopped working. At first it was showing F1 and F4. Then ... [Read more]
Mend Heating, Home Heating Systems

glow worm 30cxi?

Hi,currently had fault with my boiler left on overnight only to find f1 code with red light switched off then ... [Read more]
Mend Heating, Home Heating Systems

how do I go about fixing f1 fault on my Glow worm Ultracom 18hxi ?

Please help as my boiler keeps coming up with fault code F1 how do I fix it
Mend Heating, Home Heating Systems

Glow worm 30cxi F1 error - No hot water or heating?

We have had a new kitchen fitted not long ago and we had new wiring. The programmer for the boiler was broken... [Read more]
Mend Heating, Home Heating Systems

F1 keeps showing on my Glow-worm 24ci boiler. ?

could it be the sensor that needs resetting?
Mend Heating, Home Heating Systems

weak spark on Glow worm 38cxi boiler?

Get an F1 error at least once a day. Have now established that this appears to be a sparking problem. If all i... [Read more]
Mend Heating, Home Heating Systems

loud bang when boiler fires up, fault code F1 if it fails to fire?

Glow Worm flexicom 30 SX Our boiler is just over two years old. It often fires up totally normally but somet... [Read more]
Mend Heating, Home Heating Systems

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting?

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting and i get 2 codes showing in the display F... [Read more]
Mend Heating, Home Heating Systems

how to fix F1 code on glow worm?

F1 keep flashing on the display of my glow worm combi boiler. No hot water or central heating.
Mend Heating, Home Heating Systems

What does F1 fault code on a Glow-worm Protherm 80E Boiler mean?

Have a fault code F1 on a Glow-worm Protherm 80E Boiler. Not the 80e, but capital E?
Mend Heating, Home Heating Systems

F1 and F4 error on Glow worm 30ci combi boiler?

My glow worm 30 ci combi has been regularly shutting down overnight and showing F1 in the LCD display. I can g... [Read more]
Mend Heating, Home Heating Systems

boiler?

glow worm 30cxi fire ups for 30sec then cuts out,it is displaying f1 what do it mean please help,has already c... [Read more]
Mend Heating, Home Heating Systems

how can i stop f1 keep flashing on new Glow-worm flexicom 30cx?

new Glow-worm flexicom 30cx fitted, f1 keeps coming up on display, boiler keeps trying to ignite but only runs... [Read more]
Mend Heating, Home Heating Systems

how can i fix my Glow-worm combi boiler 30ci?

my boiler keeps shutting down and shows the error message F1 the water pressure is ok - i turn off the boiler ... [Read more]
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