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:
Measure voltage between the black pin marked 15.2
and the yellow pin marked 15.3 on X5 connector at the PCB.
Voltage should be approximately 2.5V DC.
Notes:
This test can be carried out while the boiler is
completing its self check.
At flow rates below 3 litres a minute you may see
the voltage vary between 2V DC and 3V DC.
and the yellow pin marked 15.3 on X5 connector at the PCB.
Voltage should be approximately 2.5V DC.
Notes:
This test can be carried out while the boiler is
completing its self check.
At flow rates below 3 litres a minute you may see
the voltage vary between 2V DC and 3V DC.
