How to mend ... F1 Fault Glow Worm

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]

How can I fix my glow worm flexicom 30cx ?

My glow worm 30cx tries to ignite but keeps failing and then showing with an f1 fault code. Condense is clear ... [Read more]

f1 fault on glow worm 18hxi?

i have an f1 fault on my glow worm 18hxi and so far i have replaced the gas valve the pcb and the burner seal ... [Read more]

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]

F1 fault on my Glow worm flexicom 24CX?

Can someone tell me what the F1 fault is and how to fix it.

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?

Glow Worm 30ci losing pressure and F1 Faults?

This boiler has been problematic for a while now. Can only seem to get pressure to 0.5 - 0.6 bar. Then when sw... [Read more]

Glow worm 30CXI combination boiler showing fault code F1 and F4? ?

Glow worm 30CXI combination boiler showing fault code F1 and F4? My boiler is showing fault code F1 - F4 so t... [Read more]

Glow worm 30CXI combination boiler showing fault code F1 and F4?

My boiler is showing fault code F1 - F4 so there is no hot water and no heating. Please can you tell me wha... [Read more]

problem with Glow-worm 30cxi?

my boiler lights ok and works fine for maybe 1 hr then when i look next time it is showing f1 fault somtimes i... [Read more]

glow worm ci24 boiler fault f1 what is it?

Glow worm 24 ci f1 fault can anybody tell me what the fault is?

Glow Worm Ultimate PCB Fault...Resistor colours needed?

Hi, I have a Glow Worm Ultimate 40FF which has Stopped...it's quite obvious from the PCB what the fault is: ... [Read more]

F1 fault??

Please help. I have a 30ci glow worm boiler and every so often the boiler displays an F1 sign. If I turn it of... [Read more]

Glow-Worm 38cxi fault F1?

The boiler is about 18 months old and has started to fail to ignite and registers F1 as the fault. The service... [Read more]

glow worm 30cxi boiler f1 fault?

I keep getting f1 on my 30 cxi boiler.It started after my wife got credit on the meter card and put more credi... [Read more]

glow worm 30ci fault f5? anyone?

i have a glow worm 30ci combi boiler which is flashing a red light and reading f5 on the indicator does anyone... [Read more]

F1 fault Glow worm 24ci combi boiler?

How do i fix an F1 fault on Glow worm 24ci combi boiler?

CI 24 GLOW WORM BOILER. NO HOT WATER KEEPS SAYIN F1 OR F4 AND SHUTTIN OFF ?

OBVIOUSLTY A FAULT BUT FOR WHAT ANYONE KNOW