Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove connector X3 from the PCB
Measurement:
Measure for resistance across X3 connector as per table below;
RESISTANCE STEPPER MOTOR AND HARNESS
| X3 Connector pins | Resistance in Ohms (approximately) |
| 2 & 1 | 240 |
| 2 & 3 | 240 |
| 5 & 4 | 240 |
| 5 & 6 | 240 |
Note.
Ensure a good connection is made or misdiagnosis will occur.
Ensure a good connection is made or misdiagnosis will occur.
Isolate as per TOPs P4
and refit as necessary