Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Disconnect 7 pin plug from ignition PCB and make safe
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Reset appliance.
With the ignition PCB disconnected does the error code 14 reoccur?
With the ignition PCB disconnected does the error code 14 reoccur?
Isolate as per TOPs P4
and refit as necessary