Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
DHW Demand
Gain access to PCB (use Insulation Mat as required)
Function selector to DHW position
Function selector to DHW position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow fan to start.
After approximately 3 seconds measure voltage across the blue (neutral) and brown (live) leads on connector X6 on the PCB.
Expected voltage 240V.
Voltage will only be present during the ignition phase and will attempt to light 3 times before going to lockout.
After approximately 3 seconds measure voltage across the blue (neutral) and brown (live) leads on connector X6 on the PCB.
Expected voltage 240V.
Voltage will only be present during the ignition phase and will attempt to light 3 times before going to lockout.
Isolate as per TOPs P4
and refit as necessary