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Fix Fault Glowworm

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We have 514 questions about fixing 'glowworm' in category Heating, Home Heating Systems

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 got a thermocoupler ??
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How can I fix my Glowworm 30ci plus boiler?

Recently replaced water flow sensor as it was leaking, now boiler wont fire up. I just get a clicking sound when I try to. Error message will finally display on panel as two water droplets, one has a ... more
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Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noticed that after turning on a cold tap quite often the boiler will spring into life, showing ... more
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wireing diagram glowworm micron 70ff?

i have lost the manuel for our boiler and need a wireing diagram for it the boiler is a 2 year old glowworm micron 70 ff
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glowworm space saver 50 mk 2?

i have a problem with the pilot light not staying on,i think its the thermocouple but i cannot get the cover off to expose the inside of the boiler.any tips on getting the front cover off thanks.
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Glowworm hideaway 50bf?

Glowworm hideaway 50bf. No matter what the boiler thermastat is set at it heats the rads to very a very high temperature. A new stat has been fitted and the system has been drained and refilled again. ... more
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glowworm spacesaver boiler FF or natural?

Have been asked to move a spacesaver over the phone but owner cant tell me if its fan flued or natural draft boiler. He went to great length to give me all dimensions of the building around where he w ... more
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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 doomed from the start? I've had an intermittant problem for a while with the lights sho ... more
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Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there was nothing much happening. I went outside to check my Glowworm 30ci on a 2 bedroom 1960â ... more
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How can I fix my glowworm 24CI?

It is faulty and flashing the warning F5 can you please help?
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Boiler sounding like a train?

Hello i wonder if anyone can advise me on a problem i've got? My 87yold grandad is having problems with his central heating boiler. It's a Glowworm Micron. When the heating is turned on everythi ... more
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looking for manual for glowworm 30cl?

looking for a manual for my glowworm combi boiler model number 30cl could you help thanks (keeps flashing f4)
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water pressure loss?

i have a glowworm fuelsaver complheat 55 441510 . I have water pressure loss from 1half bar to 0 in 2 hours. can't find any water leaks,used fernox , replaced return valve , taken air out of ... more
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glowworm ci?

does any one know the fault code f2 on a glowworm ci combi boiler
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How do I re-light the pilot light on my Glowworm Spacesaver KFB 60?

The pilot light on my unit has gone out, how do I re-light it please?
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Glowworm 24ci combi boiler timer loosing timer?

my combi boiler programme timer is loosing time. How do I fix it?
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Glowworm Economy Plus 50B. Pilot wont stay lit?

Pilot will light when manually started but goes out when button is released. Fitted new thermocouple but same fault remains. Any ideas on what to change next or on how suspect parts can be tested.
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Leaking boiler. Can I reseal it?

Our boiler is at least 25 years old. It is a Glowworm but unfortunately I do not know the model number. It is is a large floor standing model with five bolted cover plates with 63-8A stamped on them. ... more
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Hot Water Without Heating - Glowworm Economy F?

Up until a recent service, my hot water would come on independent of heating and vice versa. Now when the hot water 'Boost' button is pressed on the controller, my radiators heat too - any help gratef ... more
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Expansion vessel replacement?

Hi all, I have a Glowworm 80e combi with pressure issues. Low pressure on the gauge (sub 0.5bar). Filling loop used to increase pressure. Turn heating on and working, heating off and pressure dr ... more
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Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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