Set Appliance State:
Mains Power Off
Set Multimeter to AC Volts 
CH Demand
Thermostat turned to Max
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Test 1.
Measure mains voltage across the fan Live terminal (brown lead) on the fan connector block and the Earth terminal (green and yellow lead) on the fan.
Test 2.
Measure mains voltage across the fan Neutral (terminal (blue lead) on the fan connector block and the fan Earth terminal (green and yellow lead) on the fan.
Measure mains voltage across the fan Live terminal (brown lead) on the fan connector block and the Earth terminal (green and yellow lead) on the fan.
Test 2.
Measure mains voltage across the fan Neutral (terminal (blue lead) on the fan connector block and the fan Earth terminal (green and yellow lead) on the fan.
