How much does it cost to fix Grant error code RED fast blinking (0.2s)?

Typical repair cost for the Grant RED fast blinking (0.2s) fault is £120-250 including labour.

RED fast blinking (0.2s) High

Grant RED fast blinking (0.2s) Fault Code

Q: What does the Grant RED fast blinking (0.2s) fault code mean?

Your boiler has failed to start after several repeated attempts and has now automatically shut down for safety to prevent fuel buildup.

Also written as REDFASTBLINKING02S — same fault.

The Grant RED fast blinking (0.2s) fault code means: your boiler has failed to start after several repeated attempts and has now automatically shut down for safety to prevent fuel buildup.. It appears on 5 Grant models in our database.

Technical description: Lockout for maximum number of re-cycles

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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Grant models that show the RED fast blinking (0.2s) fault code

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

Source

Grant RED fast blinking (0.2s) 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