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Posted by Bryan Fuller on August 25, 2012 at 13:19:15:
I recently had an issue with my Trianco boiler where the boiler kept locking out. It is an intermittent fault as sometimes it would lock out instantly and sometimes once every 3 months. As I am a technical person I did not want to call a boiler engineer straight way. I eventually found that the problem was a sticking relay on the PCB. As it was not possible to replace the relay I replaced the PCB.
It took me some time to source information for any of the Trianco boiler types, namely Aztec classic, Aztec gold, Contractor, EuroStar, Eurotrader, Utlity, TRG and WM. Therefore I have spend some time pulling together as much technical information as possible and have placed it on a website called Trianco Aztec Boilers at www.triancoaztecboilers.co.uk for anyone to use.
I hope people find this useful when troubleshooting problems with these boilers.