160 High

Baxi 160 Fault Code

The Baxi 160 fault code means: your boiler's fan is not spinning at the correct speed, which prevents the system from safely clearing exhaust fumes and starting the ignition process.. It appears on 23 Baxi models 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: Fan fault

What causes the Baxi 160 fault?

This fault occurs when the boiler's control system detects that the fan is either not spinning at all or is rotating at the wrong speed to safely vent exhaust gases. The most common reason is a mechanical failure within the fan motor or a communication break between the electronic control board and the fan assembly.

Typical repair cost £250-£450 (including labour)

Engineer required

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

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Baxi models that show the 160 fault code

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

Source

Baxi 160 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026