Hach DR 900 Manuel De L'utilisateur page 17

W A R N I N G
Fire hazard. Battery substitution is not permitted. Use only
alkaline batteries.
N O T I C E
Make sure to tighten the screws to 1–1.4 N·m (9–12 in.·lb) for a correct
seal fit and to maintain the enclosure environmental rating.
Refer to Install the batteries on page 7 for battery replacement.
Section 9 Troubleshooting
Error Possible cause
code
1 Instrument is not
configured.
2 Could not read program
data
3 Could not write program
data
4 Battery error
5 A/D error during a
measurement
6 Offset error during a
measurement
Solution
Contact technical support.
Replace the batteries.
Contact technical support.
Make sure that the instrument
cap is correctly installed.
Error Possible cause
code
7 Low light error during a
measurement
8 Over range error during a
measurement, a potential
light blockage or the
concentration is too high
Section 10 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
Adapter assembly, COD
Battery set, AA alkaline batteries (4x)
Sample cell with cap, 25 x 95 mm, 10-20-25 mL
(6x)
Solution
• Make sure that there is no
light path blockage.
• Zero is out of instrument
range
• Contact technical support.
• Make sure that there is no
light path blockage and that
the concentration is not too
high for the program.
• Make sure that the instrument
cap is correctly installed.
• Contact technical support.
Item no.
4846400
1938004
2401906
English 17