Set Appliance State:

Set Multimeter to AC Volts Set meter to measure AC Volts
CH Demand
Reset lockout as necessary
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the AC voltage between pin 8 and pin 9 at the ignition control box.
Expect mains voltage.
Is the voltage measured as expected?