How much does it cost to fix Grant error code RED, ORANGE blinking inverted?

Typical repair cost for the Grant RED, ORANGE blinking inverted fault is £200-400 including labour.

RED, ORANGE blinking inverted High

Grant RED, ORANGE blinking inverted Fault Code

Q: What does the Grant RED, ORANGE blinking inverted fault code mean?

Your boiler is unable to safely vent exhaust gases because the air-moving fan inside the unit has failed or lost its electrical connection.

Also written as REDORANGEBLINKINGINVERTED — same fault.

The Grant RED, ORANGE blinking inverted fault code means: your boiler is unable to safely vent exhaust gases because the air-moving fan inside the unit has failed or lost its electrical connection.. It appears on 5 Grant models in our database.

Technical description: Fan motor error. Faulty fan motor; Fan motor not connected.

Typical repair cost £200-400 (including labour)

Engineer required

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

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Grant models that show the RED, ORANGE blinking inverted fault code

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

Source

Grant RED, ORANGE blinking inverted fault code information on this page is sourced and cross-checked against the official Grant service / installation manuals for each affected model.

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