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)
Flow rate set to 3 litres/min
Flow rate set to 3 litres/min
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure for DC volts across pins 43 (white) and 44 (grey) of connector of connector X10.
Expected voltage approximately 1.9V to 2.4V DC.
Note:
Pins are numbered on the PCB.
Ensure a good connection is made else misdiagnosis will occur.
Expected voltage approximately 1.9V to 2.4V DC.
Note:
Pins are numbered on the PCB.
Ensure a good connection is made else misdiagnosis will occur.
