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 connector LV1 from the PCB
Disconnect connector LV1 from the PCB
Measurement:
Measure the resistance between the red wires on LV1 (pins 6 and 7).
The resistance should conform approximately to the table below:
The resistance should conform approximately to the table below:
Isolate as per TOPs P4
and refit as necessary