Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Turn Hot Water Tap On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Reset appliance (press and hold reset button for 5 seconds, then release).
Observe fan operation? Which of the following occur?
1. Fan runs at a constant speed ?
2. After 12 to 14 seconds, does the fan increase in speed and then stop after 30 seconds ?
3. After 4 to 5 seconds, does the fan reduce in speed and stop ?
Select observation from below.