Possible Problems And Rectifications - Knauer Azura CT 2.1 Benutzerhandbuch

27 Troubleshooting
If no connection was established, test the following:

Is the router switched on?

Is the patch cable connected correctly to the router and
the computer?
2. Check the router settings:

Is the router set to DCHP server?

Is the IP address range sufficient for all the connected
devices?
3. Check all connections:

Are the patch cable connected to the LAN ports and not
the WAN port?

Are all cable connections between devices and router cor-
rect?

Are the cables plugged in tightly?
4. If the router is integrated into a company network, pull out the
patch cable from the WAN port.

Can the devices communicate with the computer, even
though the router is disconnected from the company net-
work?
5. In case you own a Control Unit, check the settings in the menu
Setup > Network.

Is LAN-DHCP set for controlling?

Did the device receive an IP address?
6. Turn off all devices, router, and computer. Firstly, turn on the router
and secondly turn on the devices and the computer.

Has this been successful?
7. Replace the patch cable to the device with that no connection
could be established.

Has this been successful?
8. Make sure that the IP port of the device matches the port in the
chromatography software.

Possible Problems and Rectifications

Error
Device cannot be
switched on
The alarm does not
sound when a leak
occurs
The alarm sounds
although no leak
can be detected
KNAUER CT 2.1 User Manual, V6810, Version 1.1
Solution
Inspect the power cable to ensure that it
is plugged into the power supply.
Leak sensor settings (see chapter "Leak
Sensor Settings" and "Adjusting the Leak
Sensor")
The leak sensor sensitivity is set too high
Leak sensor settings (see chapter "Leak
Sensor Settings" and "Adjusting the Leak
Sensor")