HVAC Questions? Ask an HVAC Expert for Answers ASAP
Good evening, and welcome to the Technical section in Just Answer, an independent paid question and answer platform that matches customers' questions to experts in various skills. My name is ***** ***** I'll be happy to help you today.I'm sorry to hear of your boiler problem.F.54 indicates insufficient gas supply, so if you haven't already checked your meter then this should be the first step. Do you have any other gas appliances in the property?
OK. So it's looking more likely that there's a "real" fault in the boiler, either gas valve or PCB. Was the boiler left to heat up the hot water while you were away?