F.180 High

Viessmann F.180 Fault Code

Also written as F180 — same fault.

The Viessmann F.180 fault code means: your boiler has stopped working because it is not receiving the correct amount of gas, meaning it cannot safely light to provide you with heating or hot water.. It appears on 1 Viessmann model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Burner in a fault state. Gas pressure too low.
Typical repair cost £120-250 (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 F.180 fault code

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

Source

Viessmann F.180 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 7 July 2026