Set Appliance State:
Isolate Mains Power to appliance as per TOPs P4
Ensure appliance OFF and 3A external fuse is removed
Ensure appliance OFF and 3A external fuse is removed
Measurement:
Check for continuity i.e. Live in to Live out and Neutral in to Neutral out on the EMC Filter.

Isolate as per TOPs P4
and refit as necessary