Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect connector marked X36
Measurement:
Measure the resistance between blue and green wires and then the white and brown wires.
The resistance should conform approximately to the table below:
The resistance should conform approximately to the table below:
| Leads | Resistance | Green-Blue | 20-30 ohms |
| White-Brown | 60-70ohms |
Isolate as per TOPs P4
and refit as necessary