Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
Turn Hot Water Tap On
Gain access to PCB (use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
This test can be carried out during the purge cycle.
Run the DHW tap with a flow rate of 2 l/min.
Measure the DC voltage between pin 1 (Blue) on
connector X3 to a suitable earth point.
Expect approximately 2.7 Vdc.
Run the DHW tap with a flow rate of 2 l/min.
Measure the DC voltage between pin 1 (Blue) on
connector X3 to a suitable earth point.
Expect approximately 2.7 Vdc.
