Viessmann Vitodens 100-W Fault codes & diagnostics

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

CombiSystem Natural GasLPG 19-35 kW 2016-present

Choose your boiler type

The Vitodens 100-W range comes in 7 types

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

B1KC-26 29 codes · 1 GC number B1KC-30 29 codes · 1 GC number B1KC-35 29 codes · 1 GC number B1HC-19 29 codes · 1 GC number B1HC-26 29 codes · 1 GC number B1HC-30 29 codes · 1 GC number B1HC-35 29 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 Viessmann Vitodens 100-W 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.

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