Set Appliance State:

Mains Power Off
Selector switch to Hot Water position
DHW temperature control set to MAX
Preheat OFF
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Ensure the start-up sequence has completed, the pump and fan have stopped and the boiler is showing "ready".
Run the hot tap with a flow rate of 3 l/min.
"On" should appear on the hot water side of the display (and show temperature)
and then the fan and pump should run.
Does the boiler react as described above?