29. Medium

Remeha 29. Fault Code

Also written as 29 — same fault.

The Remeha 29. fault code means: your boiler's inner cooling fan is failing to turn off, which is usually caused by a loose wiring connection or a faulty communication signal within the unit.. It appears on 2 Remeha models in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Fan keeps running. a. electrical connections mixed up. b. electrical connections interrupted.
Typical repair cost £120-250 (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 29. fault code

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

Source

Remeha 29. 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 7 July 2026