eutech-instruments waterproof c401 colorimeter User Manual
Troubleshooting Guide
C401/301/201/102/101
35
4 TROUBLESHOOTING
GUIDE
The C401/301/201/102/101 Colorimeter routinely performs self-
diagnostics, and will automatically generate messages to provide you with
specific diagnostic information. These messages are for your use and do
not indicate a reduction in the performance of the instrument or a failure of
any component in the instrument, unless otherwise stated in this list.
diagnostics, and will automatically generate messages to provide you with
specific diagnostic information. These messages are for your use and do
not indicate a reduction in the performance of the instrument or a failure of
any component in the instrument, unless otherwise stated in this list.
LCD
Message
Description Corrective
Actions
OR
When measured concentration
(or pH value) is above the
measurement range (chemistry
test specific)
(or pH value) is above the
measurement range (chemistry
test specific)
Ensure sample value is within
the measurement range as
listed in the Specification table
in Section 7.
the measurement range as
listed in the Specification table
in Section 7.
UR
When measured concentration
(or pH value) is below the
measurement range (chemistry
test specific)
(or pH value) is below the
measurement range (chemistry
test specific)
Ensure sample value is within
the measurement range as
listed in the Specification table
in Section 7.
the measurement range as
listed in the Specification table
in Section 7.
*ERR0
Inappropriate signal to
recognize the blank. Sample
absorbance is less than
blanking or blanking too low to
achieve specified resolution.
recognize the blank. Sample
absorbance is less than
blanking or blanking too low to
achieve specified resolution.
Ensure that blanking is done
before the chemical reagent is
added. Repeat the blanking
procedure.
before the chemical reagent is
added. Repeat the blanking
procedure.
*ERR1
Calibration Failure. The
absorbance of the calibration
standard is outside the range
allowed for the selected
calibration point.
absorbance of the calibration
standard is outside the range
allowed for the selected
calibration point.
Ensure calibration standard is
accurately prepared. Replace
calibration standard with a
known accurate value and
recalibrate.
accurately prepared. Replace
calibration standard with a
known accurate value and
recalibrate.
*ERR2
Excessive stray light detected.
Ensure the vial is fully snapped
in the sample well.
in the sample well.
*ERR3
Lamp Failure. LED is faulty.
Return the unit for repair.
Low battery indication. The
batteries need to be replaced.
batteries need to be replaced.
Replace the batteries.
* If an error message appears, take the
appropriate corrective action and re-do the
desired procedure. If the problem persists,
contact Eutech Instruments or your dealer.
See Sections on Warranty and Return of
Items on page 39.
appropriate corrective action and re-do the
desired procedure. If the problem persists,
contact Eutech Instruments or your dealer.
See Sections on Warranty and Return of
Items on page 39.