Set Appliance State:

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

Observation:

Apply a CH demand and allow boiler to ignite and run for 30 seconds, then remove CH demand.
Pump overrun is factory set to 5 minutes.
Some early versions of these appliances had a pump without PWM control despite there being wiring present for it (these can be identified by the lack of the letters "IZA" after the pump model number) if this type of pump is present then the overrun can be up to 7 minutes.
Does the pump overrun operate as expected?