Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the DC (4 wire) connector from the fan assembly and make safe
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Does the fan run continuously?
 gas setup and fan.gif)
Isolate as per TOPs P4
and refit as necessary