Boiler model

Viessmann Vitodens 222-F Fault Codes

Verified fault-code information for the Vitodens/Vitotronic fault-code checker row for outdoor sensor range.

Boiler repair help from Aza & Sons Services

Fault-code index

10 — Vitodens/Vitotronic fault-code checker row for outdoor sensor
Short circuit in the outdoor temperature sensor.
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18 — Vitodens/Vitotronic fault-code checker row for outdoor sensor
Outdoor temperature sensor cable broken/open circuit.
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D1 — Vitodens/Vitotronic fault-code checker row for outdoor sensor
Outdoor temperature sensor cable broken/open circuit.
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