I have a Worc Bos Greenstar 30 CDI combi boiler. I have problems with an external condensate pipe that regularly freezes. When this happens the fault code that comes up is; AE. Can anyone please tell me what this refers to? I need to lag the condensate pipe but wanted to make sure the fault code didn't refer to anything else.
Your condensate pipe should when externally ran no less the 1 1/4 inchs in diameter. This should be as short as possible and as vertical as possible, with a fall no less that 5 cms per meter. With the recent big freeze even with heavily lagged pipes, they can still freeze, the ones that never ran straight down to a drain.
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