P 2.1L user manual V6840, version 3.6
Functionality Tests
25
Standby
To activate the standby, keep the switch pressed for 5 seconds.
Note:
Malfunctioning system after repeated standby possible. After
repeatedly using the standby, switch off the power switch and back on
again, to reset the data storage.
Switching Off the Pump
If you want to switch off the pump for a longer term, flush the pump head
with isopropanol.
Prerequisite
The pump has been flushed (see page 23). Use isopropanol if you are to
taking the device out of operation for a longer period of time or as prepa-
ration for storage.
The device has stopped operating (only the LED to the right lights green).
Process
1. Stop the flow.
2. Set the power switch on the rear side to OFF:
Result
The LED goes out.
Functionality Tests
Note:
Standard processes in single devices may be handeled differently
in individual cases.
Installation Qualification
(IQ)
The customer may request the Installation Qualification, which is free of
charge. In case of a request, the Technical Support of KNAUER or from a
provider authorized by KNAUER performs this functionality test during
the installation.
The Installation Qualification is a standardized document that comes as
part of the delivery and includes the following:
Color
Operating condition
Operation
Left LED
red flashing
Error status
Check the system.
Shortly press the
switch to deactivate
the error message.
red
Fatal error
Restart the device.
If the fatal error status
remains, contact Ser-
vice.
green
Program or sequence
is running/was
loaded.
Center LED
does not light
Not ready
green flashing
Equilibration
Wait until the device
is ready.
green
Ready
Right LED,
power status
green
Power on
blue
Standby
Press the switch to
end the standby.