Hach-Lange DR1900 User Manual - Manual (Page 22)

Troubleshooting
Problem Possible cause Solution
Absorbance > 3.5! The measured absorbance is more than 3.5. Dilute the sample and repeat the
reading.
Over range! The concentration is more than the upper limit
of the current method. Dilute the sample and repeat the
reading.
Under range! The concentration is less than the lower limit of
the current method. Examine the sample.
Reading Failed! There is an electronic or optical defect. Contact technical support.
Initializing Failed! While initializing, the instrument failed. Set the instrument to off and then
to on.
Contact technical support.
Calibration Needed! The calibration data is corrupt. Contact technical support.
Air Scan Needed! The calibration data is corrupt. Contact technical support.
Please attach the
module! The module is not found when data is sent. Insert a module.
Failed in sending data! Make sure that the module is
inserted and latched correctly.
Replacement parts and accessories
W A R N I N G
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Replacement parts
Description Item no.
Set of three sample cell adapters 9609900
Battery cover with four screws 9598000
Sample cell cover 9605000
Battery set, AA alkaline batteries (4x) 1938004
Dust cover 9609300
Protective cover 9596500
CD with manuals and procedures DOC082.98.80343
1-inch matched pair of rectangular sample cells (10 mL) 2495402
Blank module (module bay cover) LZV797
20 English