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Section 8 Troubleshooting
Problem/Display screen Likely Cause Action
Absorbance > 3.5! The measured absorbance exceeds 3.5
Dilute the sample and repeat the
measurement
Concentration too high!
Calculated concentration is higher than
999999
Dilute the sample and repeat the
measurement
Error
Barcode controlnumber?
Please update program data!
Deviation to the stored data Data updating
Error
Program not available.
Please update program data!
Barcode cuvette test missing
Data updating
Error
Clean Cuvette
The cuvette is soiled or there are
undissolved particles in the cuvette
Clean the cuvette; allow the particles to
settle
Error
Please check the UV Lamp.
The lamp output is too low
Check the lamp and replace it if
necessary
Error
Selfcheck stopped.
Please check the lamp.
Please close the lid.
Error [xx]
Self Check Test stops while starting the
instrument
Check the lamp and replace, if
necessary.
Close the lid.
Press Start Again.
Error
Selfcheck stopped.
Please remove the cuvette
Please close the lid.
Self Check Test stops while starting the
instrument
Remove the cuvette/sample cell from
the cell compartment.
Press OK.
Error Sipper?
Kink in tube
Peristaltic pump failure
Check the tube connections
Error
Selfcheck stopped.
Hardware error.
Error [x]
Electronic defect
Contact the manufacturer or a sales
representative and indicate the error
number
Negative result! The calculated result is negative Check the concentration of the sample
No evaluation!
Error in the test database / user
database
Check the programming
Contact the manufacturer or a sales
representative
Over measuring range
The measured absorbance is above the
calibration range of the test
Dilute the sample and repeat the
measurement
Under measuring range
The measured absorbance is below the
calibration range of the test
If possible, select a test with a lower
measurement range or use a cuvette
with a longer path length