Set Appliance State:

Set Multimeter to Resistance Set meter to measure resistance
Isolate Mains Power to appliance as per TOPs P4
Remove the connector from the display PCB
Remove the display PCB from the facia

Measurement:

Measure the resistance between the two furthest right terminals on the display PCB.
Expect a resistance of approximately 200 - 300 ohms.
Is the resistance measured as expected?