Isolate Mains Power to appliance as per TOPs P4
Observation:
Remove and inspect the ignition electrode for signs of damage.
The tip of the ignition electrode should be 4 mm +/- 1 mm above the burner.
The tip of the ignition electrode should be 4 mm +/- 1 mm above the burner.
Isolate as per TOPs P4
and refit as necessary