Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to DC Volts Set meter to measure DC Volts
Unclip display PCB and wedge in position as shown
NO demands
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the voltage between each of the terminals listed below and a suitable earth.
The Voltages should conform approximately to the tables below:
TerminalDC Volts
10
2 1.2
31
40
50 to 1.5
63