Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Turn Hot Water Tap On
Remove the lead from the spark generator and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the fan to run and the ignition sequence to commence.
Measure for mains voltage between pin 1 (brown) and
pin 2 (blue) on connector CN22 at the main PCB.
Mains voltage should be present for 7 seconds, this will then be present again after approximately 20 seconds. This will be repeated 3 times before lockout occurs, reset as required until test is complete.
Measure for mains voltage between pin 1 (brown) and
pin 2 (blue) on connector CN22 at the main PCB.
Mains voltage should be present for 7 seconds, this will then be present again after approximately 20 seconds. This will be repeated 3 times before lockout occurs, reset as required until test is complete.
Isolate as per TOPs P4
and refit as necessary