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)
Ensure a flow rate of 3 litres per minute
Ensure a flow rate of 3 litres per minute
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure for DC voltage across pin 6 (green lead) connector X2 and
a suitable earth connection.
Expected voltage approximately 2.3 Vdc (voltage may fluctuate).
Note.
Ensure a good connection is made or misdiagnosis may occur.
a suitable earth connection.
Expected voltage approximately 2.3 Vdc (voltage may fluctuate).
Note.
Ensure a good connection is made or misdiagnosis may occur.
