Service Bulletin – LWGSBN0086
Page
2
of
10
Button Combinations
There are many different
button combinations that can
be used to access certain
functions on the PURELAB flex.
Below are details of these
combinations and their
functions.
We have numbered the
buttons for ease of use, please
see the diagram on the right
for details.
Function
Action
Access the User Menu
Press and hold PF4
Set User Mode
This is used to choose between
Normal, Demo or Exhibition
mode.
If the system is in
commissioning mode it will not
allow you to change the user
mode.
Power off the system
Press and hold PF4
Power up the system continuing to hold
down the button until the menu appears
Exit Commissioning
Power off the system
Press and hold PF3 and PF5
Power up the system continuing to hold
down the buttons until the process screen
appears
Enter Commissioning
Power off the system
Press and hold PF3, PF4 and PF5
Power up the system continuing to hold
down the buttons until the choose
language screen appears
Return the PCB to default
settings
WARNING:
This is only to
be used when changing a PCB
or dispense handset.
Please be aware that you have
to re-install the software once
this procedure has been
performed.
Power off the system
Press and hold PF2 and PF5
Power up the PURELAB flex
You will notice that the light on the
dispense button is flashing, wait for this to
stop flashing and for the light to go out
before letting go of the buttons.
Install the latest version of the software
PF1
Dispense
Button
PF2
Auto
Volume
Dispense
PF3
Up
PF4
Accept
PF5
Down
