Watson-Marlow 720UN and 720SN User Manual
20
UN, SN
12 Switching the pump on
for the first time
Note
: This manual uses
bold
type to highlight the active option in menu screens:
“
English
” in the first screen represented here. The active option appears on the pump
display in
inverse
text.
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 21.1
Error codes
.
The pump displays a language menu. Use the
UP
and
DOWN
keys to select
your language. Press the
ENTER
key to confirm your choice.
The information which follows assumes that your choice was English.
When the language is chosen this menu will not appear again and all menus will
appear in the language you chose. (Language can be reset as described later.
See 16.13
Language
.)
The pump displays the Watson-Marlow start-up screen for four seconds,
followed by a warning screen for four seconds (an example is shown here), and
then the manual mode main screen.
The rotation symbol on the display indicates clockwise rotation. The default
speed setting is 300 rpm, but 360 rpm is available (see 16.7
Set maximum al-
lowed speed
). Other initial start-up operational parameters are listed in the
table below.