Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect the spark electrode lead
Measurement:
Measure the resistance between each end of the lead.
Expect approx 1 kOhm.
Inspect the lead for good overall condition.
When refitting check that it fits securely to both the electrode and the spark generator.
Expect approx 1 kOhm.
Inspect the lead for good overall condition.
When refitting check that it fits securely to both the electrode and the spark generator.
Isolate as per TOPs P4
and refit as necessary