HACH LANGE Pocket Colorimeter 2, User Manual

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Error Description Solution
E-7 Standard value
error The standard solution concentration is equal
to another standard solution concentration
that is already entered in the user-entered
calibration curve. Enter the correct standard
concentration.
E-9 Flash error The instrument is not able to save data.
Reading
flashes
The reading is more
or less than the
instrument range.
2
If the reading is less than the instrument
range, make sure that the instrument cap is
fully installed over the cell holder. Measure a
blank. If the blank reading is not zero, set the
instrument to zero again.
If the reading is more than the instrument
range, identify if there is a light blockage in
the cell holder. Dilute the sample. Do the test
again.
For factory-calibrated programs, the
maximum and minimum values always equal
the factory-calibrated values and cannot be
changed.
1
When an E-1 or E-2 error occurs on a measurement, the display shows
“_.__”. The decimal place depends on the chemistry. If the E-1 or E-2 error
occurs while the instrument is set to zero, set the instrument to zero again.
2
The flashing value will be 10% over the upper test range limit.
Replacement parts
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.
English 27