Watson-Marlow 620U - Manual (Page 22)

Watson-Marlow 620UN, 620U, 620SN, 620S User Manual 22
13 Switching the pump on
in subsequent power cycles
(if not in auto-restart mode)
UN, U, SN, S
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 23.1 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 (an example is
shown here), and then the manual mode main screen.
Note: Once in the manual mode main screen, keys assume their normal func-
tions - see 15.1 Keypad in menu screens 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 below.