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Finding correct positions for the cogs?

Hello, what is the correct positioning for the cogs behind the gold plate, behind the pendulum? Smiths Enfi... [Read more]
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Mend Glowworm 50ff

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We have 25 questions about mending 'glowworm 50ff'

How to mend Glowworm 50ff

Pages 21
Mend boiler fault ignition

What is wrong with my Glowworm micron 50ff?

Had problems with boiler faiilng to start and going to reset. The pcb, thermister and air pressure switch was ... [Read more]
Mend burner fault reset

How can I fix a Micron 50FF fault?

Glowworm Micron 50FF GC No 41 047 48 Not working. Reset and Burner lights flashing alternately. Manual says th... [Read more]
Mend boiler heating glowworm

What could be the problem with my glowworm 50ff micron please ?

hi my boiler works ok heating just hot water, but when heating is on boiler will only run for about 2 hours th... [Read more]
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how do i fit a thermistor in a 50ff ?

how do you fit a thermistor in a glowworm 50ff?
Mend heater radiator fan

glowworm micron 50ff?

hi my heating system is playing up, the two radiators one in the hall the other at the top off the stairs dont... [Read more]
Mend boiler heating burner

how can I fix amy glow warm boiler ultimate 50ff?

my problem is my boiler(glowwarm ultimate 50ff)has gone faulty during the christmas period due to a faulty fan... [Read more]
Mend boiler thermistor pcb
3

Glowworm micron 40FF Thermistor Rod?

A month ago I was having to reset the boiler frequently because the Reset light would come on. Eventually it s... [Read more]
Mend heating boiler hot water
1

Glowworm 50FF cycles when system not calling for heat/water?

I have a Glowworm 50FF boiler. When the system is not calling for heat or hot water, ie. timer off and both mo... [Read more]
Mend boiler not firing up
1

Boiler not firing up?

Have a 5 year old Glowworm micron 50ff boiler, it has died!!! Wont fire up, has anybody any ideas, has this go... [Read more]
Mend boiler heating pressure switch
2

Glow worm ultimate 50ff fan comes on for 3 sec and go's off don't ignite?

If the pressure switch hose is disconnected the fan will run but with no ignition. Pressure switch checks out ... [Read more]
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8

Glowworm Micron 50ff - What is a non-volatile lockout and what fix?

Hi everyone, I've found some old threads on Glowworm Micron 50ffs which seem to suggest that my boiler was ... [Read more]
Mend boiler heating shutdown
2

whats wrong with my glowworm boiler?

my glowworm micron 50ff boiler is constantly lighting and switching itself off after a few seconds and seconds... [Read more]
Mend boiler heating shutdown
2

what is wrong with my glowworm micron50ff boiler??

my glowworm micron 50ff boiler is constantly lighting and switching itself off after a few seconds and seconds... [Read more]
Mend boiler circuit board thermistor
2

Glowworm micron 50ff?

Hi, I have just had my circuit board and thermistor changed on my boiler, I supplied the parts, the led on the... [Read more]
Mend boiler power flush sludge
3

Glowworm ultimate 50FF tripping?

Hello, I have got open vented heating system with Glowworm Ultimate 50FF boiler. The system keeps tripping of... [Read more]
Mend heating pcb no heat
1

how can i fix glowworm micron 50ff?

the boiler is not doing anything at all , when the programmer is calling for heat,the fan doesn't even run .my... [Read more]
Mend Heating, Home Heating Systems
2

Noisy Bubbling Glow.Worm Micron 50ff?

I have a glowworm micron 50ff which is very noisy which I can only liken to it having indigestion in that it s... [Read more]
Mend burner heating reset
1

PCB Glowworm micron 50FF (replacement fitted)?

I have just replaced the PCB on my Glowworm micron 50FF but the boiler does not light. The old PCB appeared to... [Read more]
Mend boiler fault pcb
7

PCB?? Glow worm Micron 50FF?

We are having problems with our boiler! It keeps switching off. When it does come on it only stays on for se... [Read more]
Mend boiler pcb water damage
2

My Glowworm 50FF Boiler Won't turn off?

I'm having a problem where my glowworm 50FF boiler won't turn off. Have just had a new pcb fitted due to water... [Read more]
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Room thermostat not working on a glowworm micron 50ff system?
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