34
13.4
Fault Finding
The PCB is also fitted with a “power on” indicator light. This will remain illuminated
when mains power is supplied to the board.
The indicator light is located on the PCB within the terminal box.
This operation should only be carried out by a competent person.
To view the light the following procedure must be followed:
1.
Isolate the mains electrical power supply from the pump.
2.
Remove the four screws retaining the terminal box lid (Figure 18).
3.
Lift the terminal box lid off.
IMPORTANT
– Ensure there is no contact with any of the internal parts of the
terminal box.
4.
Briefly reconnect the mains power supply to the pump – the ‘power on light
should illuminate if the pump has been correctly wired.
5.
Isolate the mains electrical power supply from the pump.
6.
Re fit the terminal box lid ensuring no cables are trapped.
7.
Re fit the four terminal box lid retaining screws, tighten to 0.8 Nm.
Figure 18
Wiring removed for clarity
Power On LED
Retaining screws x4
Terminal box
cover