Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Gain access to and disconnect rectification lead from PCB
(requires PCB access unless wiring runs through back of the housing)

Measurement:

Check for continuity (zero resistance) between the end
of the rectification electrode to the PCB connector.
Inspect the rectification lead for any
signs of damage or shorting.
Note:
It may be necessary to clean electrode
to get a good connection.
Design of electrode may differ but it will always be
the rightmost electrode and the test remains the same.