Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Gain access to PCB (use Insulation Mat as required)
Disconnect M5 from the PCB
Disconnect blue wire from the APS and reconnect
it to the unused spade on the APS (N/C)
Disconnect M5 from the PCB
Disconnect blue wire from the APS and reconnect
it to the unused spade on the APS (N/C)
Measurement:
Measure the resistance between terminals 27 (Brown) and 31 (Blue) of the disconnected M5 plug.
Short circuit expected
Refit blue APS wire to its original
location after test (N/O).
Short circuit expected
Refit blue APS wire to its original
location after test (N/O).
Isolate as per TOPs P4
and refit as necessary