E160 High

Main E160 Fault Code

The Main E160 fault code means: your boiler has detected that the internal fan responsible for safely venting fumes is not spinning or communicating correctly, so it has shut down to prevent unsafe operation.. It appears on 7 Main 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 or Fan Wiring Fault
Typical repair cost £180-350 (including labour)

Engineer required

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

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Main models that show the E160 fault code

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

Source

Main E160 fault code information on this page is sourced and cross-checked against the official Main service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026