How much does it cost to fix Navien error code Repeated ignition failure?

Typical repair cost for the Navien Repeated ignition failure fault is £150-350 including labour.

Repeated ignition failure High

Navien Repeated ignition failure Fault Code

Q: What does the Navien Repeated ignition failure fault code mean?

Your boiler is struggling to light its internal flame, which means it has automatically shut down to prevent gas from building up.

Also written as REPEATEDIGNITIONFAILURE — same fault.

The Navien Repeated ignition failure fault code means: your boiler is struggling to light its internal flame, which means it has automatically shut down to prevent gas from building up.. It appears on 6 Navien models in our database.

Technical description: Flame error, Flame loss and noise occurs at ignition, or Improper air intake air supply.

Typical repair cost £150-350 (including labour)

Engineer required

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

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Navien models that show the Repeated ignition failure fault code

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

Source

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

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