BoilerFaultCodesSime Format System HE Fault codes & diagnostics
The manual for this boiler has no fault code table.
System Natural Gas 2004-2012 Discontinued
GC Number 41-719-17
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No fault code table in its manual
We've read the Sime Format System HE manual we hold, and it has no fault code table, so there are no codes to list. We don't fill the gap with codes from a similar boiler, because the same code can mean something different on another model. The fault code table in the installation manual is the one to trust.