Section 8 Troubleshooting - Hach DR 5000 User Manual

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