BURNER panel LED flashing fast (2/sec) High

Grant BURNER panel LED flashing fast (2/sec) Fault Code

Also written as BURNERPANELLEDFLASHINGFAST2SEC — same fault.

The Grant BURNER panel LED flashing fast (2/sec) fault code means: your boiler's main control board has suffered an internal failure and can no longer safely operate the burner.. It appears on 1 Grant model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: PCB fault — replace PCB
Typical repair cost £250-£450 (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 BURNER panel LED flashing fast (2/sec) fault code

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

Source

Grant BURNER panel LED flashing fast (2/sec) 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 7 July 2026