Troubleshooting; Possible Problems And Solutions; System Messages - Knauer Azura DAD 2.1L Benutzerhandbuch

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Possible Problems and Solutions


Further Measures



System Messages

If other system messages are displayed besides those listed
below, please turn the device off and then on. Inform the Tech-
nical Support of the manufacturer in case the system message
repeats itself.
KNAUER

Troubleshooting

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 that no connec-
tion could be established with.

Has this been successful?
8. Ensure that the IP port of the device corresponds to
the IP port set in the chromatography software.
Problem
Baseline drift
Device cannot be
switched on
Device cannot be
calibrated
Baseline noise
The relationship of
the signal to the
light path reference
is very low
Install the maintenance software (service tool).
Save device information and send to KNAUER.
Inform the KNAUER Technical Support.
DAD 6.1L, DAD 2.1L, MWD 2.1L User Manual V6700, Version 1.0
Solution
Maintain constant temperature condi-
tions during the measurement.
Inspect the power cable to ensure that
it is plugged into the power supply.
1. Insert the test cell.
2. Inspect the calibration with a weak
absorbing solvent.
1. Inspect the flow-cell assembly.
2. Exchange the defective flow cell.
3. Inspect the service life of the lamp
on the display.
4. Reduce the air in the flow cell by
using a degasser.
1. Flush the flow cell.
2. Replace the lamps