How much does it cost to fix Remeha error code 61.?

Typical repair cost for the Remeha 61. fault is £180-350 including labour.

61. High

Remeha 61. Fault Code

Q: What does the Remeha 61. fault code mean?

Your boiler is unable to start because it cannot confirm that the internal fan system is safe to move air through the flue.

Also written as 61 — same fault.

The Remeha 61. fault code means: your boiler is unable to start because it cannot confirm that the internal fan system is safe to move air through the flue.. It appears on 2 Remeha models in our database.

Technical description: Air transport. Air differential switch does not open: switch defective, extreme draft through flue gas discharge duct, or short-circuit in wiring.

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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Remeha models that show the 61. fault code

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

Source

Remeha 61. fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

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