Set Appliance State:

Mains Power Off
DHW Demand
DHW Temp Selector to MAX
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Press reset to cancel purge cycle countdown.
With a flow rate at the tap running approximately 12 l/min, is there a temperature rise of approximately 35°C and is operation satisfactory?