Set Appliance State:

Mains Power Off
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Reset appliance if required.
(press and hold the power button for 4 seconds then release)
As the appliance starts its self-check sequence can the pump be heard to run approximately 10 seconds after power is reinstated or after the appliance resets?