Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Gain access to PCB (use Insulation Mat as required)
DHW Preheat selector to MAX position
Ensure appliance is cool
DHW Preheat selector to MAX position
Ensure appliance is cool
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure voltage between pins 5 and 7 at connector A2 on the PCB.
Is mains voltage present?
Note:
The mains voltage should be present for greater than 5 seconds, if the voltage is not present for at least 5 seconds then select the "mains voltage absent" outcome below.
Is mains voltage present?
Note:
The mains voltage should be present for greater than 5 seconds, if the voltage is not present for at least 5 seconds then select the "mains voltage absent" outcome below.
Isolate as per TOPs P4
and refit as necessary