Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
Gain access to PCB (use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow 3 minute self check to complete.
As appliance begins the sparking stage of the ignition sequence measure the voltage between the White and Blue wires on X1.
Approx 210V DC should be present.
Note:
Boiler will attempt ignition 5 times before going to lockout.
Reset appliance as necessary (self check will restart).
As appliance begins the sparking stage of the ignition sequence measure the voltage between the White and Blue wires on X1.
Approx 210V DC should be present.
Note:
Boiler will attempt ignition 5 times before going to lockout.
Reset appliance as necessary (self check will restart).
Isolate as per TOPs P4
and refit as necessary