Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove the 3 wire connector from the fan assembly
Measurement:
Test 1:
Measure the resistance between the two terminals 1 and 3 of the fan 3 wire connection.
Expect approximately 3.4 Mohms or greater.
Test 2:
Measure the resistance between terminals 2 and 3 of the fan 3 wire connection.
Expect a resistance greater than 1 Mohm.
Are the resistances measured as expected?
Measure the resistance between the two terminals 1 and 3 of the fan 3 wire connection.
Expect approximately 3.4 Mohms or greater.
Test 2:
Measure the resistance between terminals 2 and 3 of the fan 3 wire connection.
Expect a resistance greater than 1 Mohm.
Are the resistances measured as expected?
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Isolate as per TOPs P4
and refit as necessary