Fan Error High

Ideal Fan Error Fault Code

Also written as FANERROR — same fault.

The Ideal Fan Error fault code means: your boiler has stopped working because the internal fan, which safely exhausts gases, is not spinning at the correct speed.. It appears on 1 Ideal 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: Fan Error

What causes the Ideal Fan Error fault?

This fault occurs when the boiler's control board detects that the fan is either not spinning at all or is failing to reach the speed required to safely clear exhaust gases. This is usually caused by a physical failure of the fan motor, a buildup of debris inside the casing, or an electrical communication error between the fan and the main circuit board.

Typical repair cost £280-450 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Ideal models that show the Fan Error fault code

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

Source

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

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026