Low
2F:1 on Viessmann Vitodens 222-W

Your boiler is currently running a brief automated cycle to clear air from the system, which is a normal process.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Venting program active

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

2F:0View →

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