Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Turn Hot Water Tap On
Gain access to PCB (use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Cancel purge cycle & If required, reset boiler.
Measure for voltage between pins 6 and 5 at connector CN2 on the PCB.
During the sparking stage of the ignition sequence (5 - 10 seconds
after purge cycle is cancelled) mains voltage should be present.
Note:
Boiler may enter lockout during test,
reset and repeat test as necessary.
Measure for voltage between pins 6 and 5 at connector CN2 on the PCB.
During the sparking stage of the ignition sequence (5 - 10 seconds
after purge cycle is cancelled) mains voltage should be present.
Note:
Boiler may enter lockout during test,
reset and repeat test as necessary.
Isolate as per TOPs P4
and refit as necessary