Vitodens 222-F Medium

Viessmann Vitodens 222-F Fault Code

Also written as VITODENS222F — same fault.

The Viessmann Vitodens 222-F fault code means: your boiler's internal control system has encountered a communication error or is set to an incorrect operating mode, preventing it from managing your heating correctly.. It appears on 5 Viessmann models in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Control mode
Typical repair cost £100-250 (including labour)

DIY fix possible

Turn the boiler's power switch off at the wall for 30 seconds and turn it back on.Access the control menu and ensure the boiler is set to its standard heating and hot water mode.Check for any external thermostat or smart control connection issues.

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Viessmann models that show the Vitodens 222-F fault code

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

Source

Viessmann Vitodens 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