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Multifunction Control Overheat Reset Button on Part no 313980 at base of Glowworm Ultimate 40FF Central heating Boiler Serial Number of boiler 960029278 has tripped out 3 times in the last week. The boiler starts up straight away when I reset it then runs ok for a day or two? I am an electrician and have the boiler serviced Annually by a Corgi registered Central heating Engineer. Before I call anybody in can you suggest what the fault may be please?

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5 Suggested Answers

  • 86 Answers

SOURCE: thermostats

check wiring

Posted on Mar 16, 2008


  • 124 Answers

SOURCE: Domestic oil fired central heating.

many times the feeder tube from the bottom of the tank becomes perforated. the return tube is ok most of the time . try switching the 3 8 tubes from inlet to outlet and see if problem resolved. if so the the tube down into the tank is flawed.

Posted on Nov 01, 2008

aclamonte
  • 81 Answers

SOURCE: my aristion DIA 20-24 combi

hi,

just check your water supply of your aristion DIA 20-24 combi boiler if is in constant pressure. not properly circulated water supply can cause overheating.

and manuals can help us also in proper checking. at the link below please check this out if you don't have.

http://www.ariston.co.uk/products-select.php?t=0&id=0000000005


Posted on Nov 28, 2008

  • 2 Answers

SOURCE: i have a vokera 20-80

hello it may be a faulty flame safety device that touches the pilot flame or it could be you need a new control board and also check the flue isnt blocked hope this helps

Posted on Dec 03, 2008

  • 30 Answers

SOURCE: central heating boiler problem

this is probably a faulty diverter valve. more info needed

Posted on Mar 26, 2009

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I'm Harvey the Master Plumber,

You want to know how to service a Glowworm compact boiler


Glowworm is a United Kingdom company and here is the information you asked me for, to get their technical service line:

Technical Help: 01773 828300
technical@glow-worm.co.uk

Thank You,
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Please give me a good rating before you sign off.

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