Troubleshooting; Replacement Parts And Accessories - Hach DR 900 Manuel D'utilisation

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 6 for battery replacement.

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
16 English
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

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)
Sample cell with cap, 1 cm/10 mL (2x)
USB cable
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
4864302
LZV818