Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to AC Volts Set meter to measure AC Volts
Gain access to PCB (use insulation mat as required)
Pull connector X1 back slightly to expose test points
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the AC volts at pin 1 (red) at connector X1
on the PCB to a suitable earth point.
Voltage should be approximately 240V AC.
Note:
This connection provides permanent 240V to both fan and pump.