Set Appliance State:

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

Observation:

Ensure the start-up sequence has completed and boiler is in standby.
Run the hot tap with a flow rate of 3 l/min.
The 00 on the left side should change to temperature and then the fan should run.
Does the boiler react as described above?