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7 Troubleshooting
947 Professional UV/VIS Detector Vario (2.947.00x0)
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57
7 Troubleshooting
7.1
Problems and their solutions
Problem
Cause
Remedy
No measuring sig-
nal.
The lamp is not lit.
or the VIS lamp
.
The baseline has a
large amount of
noise.
Air bubbles are trapped in
the flow-through cell.
■
Clean the flow-through cell
.
■
Ensure that the PEEK capillary (6.1831.100)
is connected to the cell outlet.
■
Use the eluent degasser.
Flow-through cell – The
lenses are dirty.
Clean the flow-through cell
.
UV lamp – The radiation is
too weak.
. If the intensity is too low, replace
.
The eluent's absorption is
too strong.
Change the eluent.
The wavelength is unsuit-
able.
Set a different wavelength in MagIC Net.
The baseline is drift-
ing.
The flow-through cell is
leaky.
Check all connections and fix the leak.
Thermal equilibrium is not
attained.
Ensure a constant temperature.
Lamp does not
ignite.
The lamp is defective.
or the VIS lamp
.
Содержание 2.947.0010
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