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Troubleshooting
AZURA® Detector DAD 6.1L, DAD 2.1L, MWD 2.1L Instructions, V6700
8.3 System messages
If other system messages are displayed besides those listed below, plea-
se turn the device off and then on. Inform the Technical Support of the
manu facturer in case the system message repeats itself.
The system messages are in alphabetical order:
System message
Problem and solution
C
“Cannot initialize
LAN”
Check cables and connections in local area
net work.
“Cannot proceed:
D2 lamp heating”
Manual validation is not possible while lamp is
heating up. Wait until deuterium lamp has initia-
lized and continue afterwards.
“Cannot proceed:
D2 lamp off”
Manual validation is not possible while lamp is
switched off. Switch the lamp on. In case the
error shows again, restart the device. In case no
improvement shows, replace the lamp.
“Cannot proceed:
Low light”
Validation failed because of exceeded integra-
tion time. The operating time of the lamp has
been exceeded. Replace the deuterium lamp.
Flow cell is dirty. Clean the flow cell.
Error state of the optical system. Inform the
Technical Support of KNAUER.
“Communication
timeout”
Timeout: Connecting error RS-232 (5 s), leak
sensor (0,5 s) or any hardware component (lamp
power connection, EPROM, I2C with GUI).
D
“D2 lamp failed”
Manual validation is not possible without deute-
rium lamp.
”D2 lamp operation
failed”
Restart the device. If the error occurs again,
replace the lamp.
”D2 lamp does not
start”
Switch off lamp and turn on again. In case the
system message repeats itself, inform the Tech-
nical Support of KNAUER . The lamp unit has to
be replaced.
No lamp ignition when starting the device or
the manual validation.
”Data acquisition
active”
No entries are possible. First stop acquiring
measurement data, afterwards you can make a
new entry.
E
”Error input
activa ted”
External error, outside the device: Check the
external devices and cable connections.
Check the system to locate and remove the
error.
