How much does it cost to fix Main error code E160?

Typical repair cost for the Main E160 fault is £180-350 including labour.

E160 High

Main E160 Fault Code

Q: What does the Main E160 fault code mean?

Your boiler has stopped working because the internal fan, which safely exhausts gases, is not spinning at the correct speed or has lost power.

The Main E160 fault code means: your boiler has stopped working because the internal fan, which safely exhausts gases, is not spinning at the correct speed or has lost power.. It appears on 5 Main models in our database.

Technical description: Fan or fan wiring error

What causes the Main E160 fault?

This fault occurs when the boiler's control system detects that the fan is not spinning fast enough to safely remove exhaust fumes. The most common reasons are a mechanical failure within the fan motor itself, loose electrical connections, or a fault on the main circuit board that prevents power from reaching the fan.

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 27 April 2026