Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Turn Hot Water Tap On
Dhw temperature control to max
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to commence its ignition sequence
(fan running).
After approx 3 seconds measure for mains voltage
across connections blue (neutral) connector
CN1 and top connection CN7-3 as illustrated.
Expected voltage; Mains voltage.
Note.
Lockout may occur after one attempt to ignite. Reset boiler as required until test completed.
(fan running).
After approx 3 seconds measure for mains voltage
across connections blue (neutral) connector
CN1 and top connection CN7-3 as illustrated.
Expected voltage; Mains voltage.
Note.
Lockout may occur after one attempt to ignite. Reset boiler as required until test completed.
Isolate as per TOPs P4
and refit as necessary