Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Remove left hand side panel
Disconnect fan leads

Measurement:

Measure for resistance across fan terminals.
Expected resistance see table below:
ModelResistance (approx.)
24 KW45 Ohms
28/32 KW22 Ohms

Is resistance as expected?