Thermo Fisher Scientific C101 Colorimeter - Manual (Page 55)

Troubleshooting Guide
C401/301/201/101/102/103/104/105 Colorimeter
51
4 TROUBLESHOOTING GUIDE
The C401/301/201/101/102/103/104/105 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.
LCD
Message
Description Corrective Actions
OR
When measured concentration
(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.
UR
When measured concentration
(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.
*ERR0
Inappropriate signal to
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.
*ERR1
Calibration Failure. The
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.
*ERR2 Excessive stray light detected.
Ensure the vial is fully snapped in
the sample well.
*ERR3 Lamp Failure. LED is faulty. Return the unit for repair.
Low battery indication. The
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 56.