How much does it cost to fix Viessmann error code 222-F?

Typical repair cost for the Viessmann 222-F fault is £0-90 including labour.

222-F Medium

Viessmann 222-F Fault Code

Q: What does the Viessmann 222-F fault code mean?

Your boiler has detected trapped air inside the system and is currently trying to clear it out to prevent the burner from overheating.

Also written as 222F — same fault.

The Viessmann 222-F fault code means: your boiler has detected trapped air inside the system and is currently trying to clear it out to prevent the burner from overheating.. It appears on 5 Viessmann models in our database.

Technical description: Burner blocked. The venting program automatically starting

Typical repair cost £0-90 (including labour)

DIY fix possible

Wait for the automatic venting program to finish (this usually takes 20 minutes)Check that your radiators have been bled and no air is trapped in themEnsure the boiler's water pressure is between 1.0 and 1.5 bar

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Viessmann models that show the 222-F fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Viessmann 222-F fault code information on this page is sourced and cross-checked against the official Viessmann service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026