Set Appliance State:

Set Multimeter to DC Volts Set meter to measure DC Volts
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the voltage between pin 5 (red) and pin 6 (black)
at LV2 on the PCB.
Voltage should be approximately 5V DC.
Is the voltage measured as expected?