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Troubleshooting
AZURA® Valve Unifier VU 4.1 Instructions V6855
Operation Qualification (OQ)
The Operation Qualification includes an extensive functionality test according
to KNAUER standard OQ documents. The Operation Qualification is a stan-
dardized document and free of charge. It is not part of the delivery, please
contact the Technical Support in case of request.
The Operation Qualification includes the following:
definition of customer requirements and acceptance terms
documentation on device specifications
device functionality check at installation site
Test intervals
To make sure that the device operates within the specified range, you should
test the device regularly. The test intervals are dependent on the usage of the
device.
Execution
The test can be carried out either by the Technical Support of KNAUER or
from a provider authorized by KNAUER (for a fee).
Troubleshooting
LAN
Go through the following steps, in case no connection between the computer
and the devices can be established. Check after each step if the problem is
solved. If the problem cannot be located, call the Technical Support.
1. Check the status of the LAN connection in the Windows task bar:
Connected
Connection not established
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 correct?
Are the cables plugged in tightly?