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Hach DR 3900 - Troubleshooting Common Issues (Continued)

Hach DR 3900
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English 21
Error
Selfcheck stopped.
Hardware error.
Error [x]
Electronic defect
Contact the
manufacturer or a sales
representative and
indicate the error number
Error
Too much ambient
light!
Move instrument into
shade
or close the lid
The instrument sensors
detects too much ambi-
ent light.
Decrease ambient light.
(Avoid direct sunlight.)
Close lid.
No help function is
available for this
program.
Shelf life exceeded!
Use chemicals?
The analysis is possibly
erroneous. Use new
chemicals
No evaluation!
Error in the test data-
base / user database
Check programming
Contact the
manufacturer or a sales
representative
No barcode! No barcode found
Reinsert the cell.
If the barcode is not
recognised, contact the
manufacturer or his
representative.
No instrument backup
present!
Check the USB memory
stick.
No valid data for these
parameters!
Data analysis not
possible, no
measurement data
Change the selection.
No valid data found!
View Data not possible in
data log
Change the selection.
No help function
present.
Error displayed Definition Resolution
No measurement data
present!
Data analysis settings
cannot be configured
without measurement
data.
Change the selection.
Control range not
reached!
Data analysis limits not
reached
This is a warning notice.
The control limit set was
not reached.
Control range
exceeded!
Data analysis limits
exceeded.
This is a warning notice.
The control limit was
exceeded.
Concentration too high!
Calculated concentration
is higher than 999999
Dilute sample and
measure again
Over measuring range
The measured
absorbance is above the
calibration range of the
test
Dilute sample and
measure again
Under measuring range
The measured absor-
bance is below the cali-
bration range of the test
If possible, select a test
with a lower reading
range or use a cuvette
with a longer path length
Possible interference
by:
Interference Check
The analysis is possibly
erroneous due to
interferences.
Possible interference
from:
Interference Check
The analysis is possibly
erroneous due to
interferences.
Next service is due!
Contact the
manufacturer or his
representative for an
inspection of the
instrument.
Negative result!
The calculated result is
negative
Check concentration of
sample
Network switched off.
Network setup off, when
access to instruments
homepage via sidebar
Activate the online
connection.
Error displayed Definition Resolution

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