Set Appliance State:
Mains Power Off
Set Multimeter to AC Volts 
Boiler Thermal Store must NOT be at maximum temperature.
Models with Programmer: Rocker Switch to Continuous.
Models without Programmer: Rocker Switch to ON.
Models with Programmer: Rocker Switch to Continuous.
Models without Programmer: Rocker Switch to ON.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Measure Mains Voltage across Connection 8 (Brown) of the Full Sequence Ignition Box and the Main Appliance Neutral Connection.
