Can anyone kindly help with my dilemma, Had my Halstead ACE HE24 boiler for around 2 years, we needed to move it for a loft extension moved it fine no problems but on start up the error code 3 flashes unless the steel front panel is removed then it works fine with radiators getting hot. and hot water working fine. If anyone can help this would be fantastic.
Halstead ACE HE 24 Locks out unless the front panel removed.
- Thread starter sihaines
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im not too familiar with that boiler but in the past i have found the same problem being linked to the fan venturi, this creates a pressure difference and tells the boiler to fire through the pressure switch, if the venturi breaks (they can be brittle) the boiler wont fire, but with the room sealed cover off exposing the fan they can fire as the pressure will be different. I hope this helps, somebody else can maybe confirm. Venturis are very cheap to buy and simple to replace, although usually require the fan to be removed which will be shown in the manual on how to do so. also check the back of the manual for fault codes, this will tell you what error 3 is
it is not good to fire a boiler with the casing removed
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Certainly not good to use the boiler with the cover off as poc's can enter the room, but the boiler can be fired by an engineer with the cover off for various reasons and fault finding procedures
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It can happen but after only two years You'd like to hope it hadnt, but these plastic venturis become so brittle from heat damage that they can just disintegrate in your hand into nany pieces. Id consult my manufacturers instructions or download it if its lost and check what the error code means. it may well say the pressure switch is at fault but that would probably be from venturi as the switch works with the cover off. either way though if your not competent call an engineer out as the fan ect needs to be assembled back in correctly.
Did you have the boiler moved by a RGI? Or was this a DIY job? View media item 30423
leave your boiler alone and get an rgi to look at it, its not health and safety its common sense because you dont know what your doing.
this type of combi does not have a venturi
have you checked for EARTH CONTINUITY, POLARITY and RESISTANCE TO EARTH.
what is the gas supply pressure at the inlet pressure test point
what are the CO2 values and CO/CO2 ratio
when was it last serviced
sounds as though you may have the common fault on these boilers the repair is not a diy job
have you checked for EARTH CONTINUITY, POLARITY and RESISTANCE TO EARTH.
what is the gas supply pressure at the inlet pressure test point
what are the CO2 values and CO/CO2 ratio
when was it last serviced
sounds as though you may have the common fault on these boilers the repair is not a diy job
Sihaines,keep yourself under control.Safety is the number one priority and as such DIY gas repair advice will not be given on an open forum as it may also encourage others. It is to do with health and safety(your health and your neighbours safety) 
ok thanks for advice anyway, just to needed senisble answer but got jargon i am very aware of the risks involved and after work is completed are having all work signed off so do not need anymore warning posts i am an adult thank you.
get an rgi out to get it fixed
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