Sime iQE Simplicity Fault codes & diagnostics

No fault codes listed yet: we only list codes read from this boiler's own manual.

Regular Natural Gas 20 kW 2012 onwards Discontinued

Choose your boiler type

The iQE Simplicity range comes in 3 types

Pick the one you have. The fault codes, GC numbers and manual differ by type.

20T 11 codes · 1 GC number 25T 11 codes · 1 GC number 30T 11 codes · 1 GC number

Each model has its own manual A family spans several manuals, one per model or generation. Pick your model above and its page has the manual its fault codes were read from.

No fault codes for this model yet

We haven't got the Sime iQE Simplicity manual yet. 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.