Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove ignition electrode
Measurement:
Thoroughly inspect the ignition electrode for:
Cracks and damage to the electrode ceramic
Distortion
Good general condition
Gap between ignition electrodes is 3.5 - 4.5 mm
Measure the resistance from the tip of the electrode to the spark generator connection.
Expect continuity / zero resistance.
Measure the resistance from the tip of the electrode to the spark generator connection.
Expect continuity / zero resistance.

Isolate as per TOPs P4
and refit as necessary