Watson-Marlow 520DuN IP66/NEMA 4X User Manual
23
13 Switching the pump on
in subsequent power cycles
(if not in auto-restart mode)
Switch on the power supply at the rear of the pump. The pump runs a power-
on test to confirm proper functioning of the memory and hardware. If a fault is
found, an error message is displayed. See 25.1
Error codes
.
The pump displays the Watson-Marlow start-up screen for four seconds fol-
lowed by the pump model identity screen for four seconds, and then the manu-
al mode main screen.
Note
: If ANY key is pressed during the display of any of the preliminary
screens, the display jumps to the next screen. Quickly pressing any two keys or
any key twice immediately after switch-on causes the display to jump to the
manual mode main screen. Once in the manual mode main screen, keys
assume their normal functions - see 15.1
Keypad functions in manual mode
below. A subsequent press on
START
causes the pump to operate.
Start-up defaults are those in place when the pump was switched off last.
Check that the pump is set to operate as you require it.
The pump is now ready to operate.
All operating parameters may be changed by means of key-presses. See 14
Manual
operation
.
