7.3 Error messages
If the suggested actions do not correct the fault, call GE.
Description/ActionMessage
Check the connections of the UV cell optical fibers.Cell/fiber fail
Check the liquid.
Ensure that there are no air bubbles in the system.
Clean the UV cell, see Cleaning the flow cell, on page 56.
Insert a wavelength filter unit in the UV monitor.No filter inserted
Check that there is a filter in the filter holder.No filter in holder?
Check the filter for obvious obstacles restraining the
light.
Filter clogged?
Call GE.Internal error
The transmission in the flow cell is too low due to air
bubbles or too high absorption in the buffer.
Low transmission
Flush cell and/or change buffer.
See Light intensity, on page 51.Low light intensity
Serial number entered from display is not valid. Enter a
correct serial number. Must be 1000 or higher.
Serial no not valid
The UV-signal is not stable during calibration. See Sec-
tion 7.2 Faults and actions, on page 59 for corrective
actions.
Error 100
Undefined error.Error 250
1
Switch off the instrument.
2
Switch on the instrument.
3
If the error display remains call GE.
60 Monitor UVis-920 Operating Instructions 29055049 AD
7 Troubleshooting
7.3 Error messages
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