Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
CH Demand
Hinge down the PCB housing
Position PCB as illustrated in image
Reconnect fan connector at the fan if you have not already done so
Reconnect fan connector at the fan if you have not already done so
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to start to run.
Measure for DC volts across the green wire of
illustrated connector to a suitable neutral.
Expect approximately 5.8V DC.
Measure for DC volts across the green wire of
illustrated connector to a suitable neutral.
Expect approximately 5.8V DC.
Isolate as per TOPs P4
and refit as necessary