Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove connector X6 from the main PCB
Remove connector X11 from the connection PCB
Remove connector X11 from the connection PCB
Measurement:
Measure the resistance between the pins on X6 and
the pins on X11 as specified in the table below:
Expect continuity / zero resistance on each of the wires.
Also visually inspect the condition of the harness.
the pins on X11 as specified in the table below:
| Connector X6 | Connector X11 | Pin 6 (Brown) | Brown |
| Pin 5 (Purple) | Purple |
| Pin 7 (Red) | Red |
| Pin 13 (Grey) | Grey | Pin 8 (Black) | Black | Pin 9 (White) | White |
Expect continuity / zero resistance on each of the wires.
Also visually inspect the condition of the harness.
Isolate as per TOPs P4
and refit as necessary