Set Appliance State:

Mains Power Off
Set Multimeter to AC Volts Set meter to measure AC Volts
Models with Programmer: Rocker Switch to Continuous.
Models without Programmer: Rocker Switch to ON.
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 Brown Wire Switch Connection (at selector switch) and the Main Appliance Neutral Connection.