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)
Hot Water Tap On with a flow rate of 3 l/min
Hot Water Tap On with a flow rate of 3 l/min
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Measure the DC voltage between pin 6 (green) and a suitable earth.
Expect approximately 2.5 Vdc.
Note: Each pin on the PCB connector is numbered.
Expect approximately 2.5 Vdc.
Note: Each pin on the PCB connector is numbered.
 pcb in situ.gif)
 connector x2 on pcb.gif)
