Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
DHW Demand
Gain access to PCB (use Insulation Mat as required)
Disconnect the plug to the pump, unclip the red plastic cover to expose the pins then wedge the cable to the right of the PCB as shown
Disconnect the plug to the pump, unclip the red plastic cover to expose the pins then wedge the cable to the right of the PCB as shown
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Approximately 5-10 seconds after power is restored to the appliance mains voltage should be present between the two outer pins of the pump plug.
If cable comes loose during test ISOLATE THE APPLIANCE, do not attempt to move the cable with the appliance switched on
If cable comes loose during test ISOLATE THE APPLIANCE, do not attempt to move the cable with the appliance switched on
Isolate as per TOPs P4
and refit as necessary