Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove ionisation electrode from combustion chamber door
Disconnect ionisation lead at the inline connector
Disconnect ionisation lead at the inline connector
Measurement:
Measure the resistance of the ionisation electrode and lead.
Expect continuity / zero resistance.
Also visually inspect the condition of the insulation
and the ceramic.
Expect continuity / zero resistance.
Also visually inspect the condition of the insulation
and the ceramic.

Isolate as per TOPs P4
and refit as necessary