Set Appliance State:

Mains Power Off
Set Multimeter to AC Volts Set meter to measure AC Volts
Selector Switch to Timed.
Release the Control Panel from the appliance casing to allow access (from the rear) to the Switch connections.
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure Mains Voltage across the Black Wire Switch Connection (at selector switch) and the Main Appliance Neutral Connection.