Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove CN2 from the PCB
Measurement:
Measure the resistance between pins 6 and 5 on connector CN2.
Resistance should be 790Ω
Measure the resistance between pin 6 on
connector CN2 to a suitable earth point.
Resistance should be greater than 1MΩ (Or O.L.)
Resistance should be 790Ω
Measure the resistance between pin 6 on
connector CN2 to a suitable earth point.
Resistance should be greater than 1MΩ (Or O.L.)
Isolate as per TOPs P4
and refit as necessary