Set Appliance State:

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

Observation:

Use the rocker switch on the right hand side of the boiler
fascia to attempt to reset the boiler from ignition lockout.
Does the fan now run?
FAN NOW RUNS
FAN STILL DOES NOT RUN