Test sequence:
1 Tumble clockwise
2 Low speed spin
3 High speed spin
4 Pre-wash inlet valve
5 Main wash inlet valve
6 Hot water inlet valve
7 Bleach/spray rinse valve
8 Tumble counter-clockwise
9 3-second heater, thermistor check
10 Recirculation pump test
11 Drain pump test
12 Exit test, off