Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
DHW Demand
Gain access to PCB (use Insulation Mat as required)
DHW thermostat to MAX
Run DHW tap on Maximum flow rate
DHW thermostat to MAX
Run DHW tap on Maximum flow rate
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow ignition sequence to commence and boiler to light.
Test for voltage between the two yellow wires connector X2.
Expected voltage is approx 9.8v DC.
Test for voltage between the two yellow wires connector X2.
Expected voltage is approx 9.8v DC.
