How much does it cost to fix Viessmann error code 2E:0?

Typical repair cost for the Viessmann 2E:0 fault is £100-250 including labour.

2E:0 Medium

Viessmann 2E:0 Fault Code

Q: What does the Viessmann 2E:0 fault code mean?

Your boiler is struggling to communicate with an optional add-on controller or sensor that it thinks should be connected.

Also written as 2E0 — same fault.

The Viessmann 2E:0 fault code means: your boiler is struggling to communicate with an optional add-on controller or sensor that it thinks should be connected.. It appears on 5 Viessmann models in our database.

Technical description: Without external extension

Typical repair cost £100-250 (including labour)

Engineer required

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

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Viessmann models that show the 2E:0 fault code

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

Vitodens 050-W Repair: £100-250
Vitodens 100-W / 200-W Repair: £100-250
Vitodens 200 Repair: £100-250
Vitodens 200-W Repair: £100-250
Vitodens 222-W Repair: £100-250

Source

Viessmann 2E:0 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