Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
DHW Demand
Remove the right hand side panel to improve access to the spark generator
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Press reset to cancel purge cycle countdown.
Allow fan to run and ignition sequence to commence.
Measure the voltage across the Live (brown) and Neutral (blue) connections at the spark generator.
Expected voltage 60-70 VAC.
If lockout occurs reset as necessary and continue.
Allow fan to run and ignition sequence to commence.
Measure the voltage across the Live (brown) and Neutral (blue) connections at the spark generator.
Expected voltage 60-70 VAC.
If lockout occurs reset as necessary and continue.
Isolate as per TOPs P4
and refit as necessary