Hitachi 902 - Data Alarm Codes

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2.4.3 Data Alarm Codes
No. Data Alarm Printer S. I/F Description Remedy
ADC abnormal ADC? A The ADC value of main or
sub wavelength (only main
wavelength in single
wavelength photometry) is
zero.
• Perform measurement
again.
• Turn off the power switch,
and then turn it on.
Cell blank
abnormal
CELL? Q (Photometry assay only)
Two or more of the four
passed cell blank values to
be used for CELL BLANK
are abnormal.
Note: Abnormal when the
difference from the
reference value
(value measured
with cell blank
function on the
maintenance
screen) is ± 0.1 Abs
or more.
• Perform cell blank
measurement once a
week or after
replacement of the light
source lamp or reaction
cuvette.
• Confirm the adequate
volume of HITERGENT.
After taking a proper
measure, exchange
incubation bath water
once.
• Rinse or replace the
reaction cuvette and
perform cell blank
measurement.
• After washing the light
transmitting window in the
incubation bath, perform
cell blank measurement.
Sample short SAMPL V Before sample aspiration,
the presence/absence of
sample is checked and it is
found that the sample is
absent.
• Inject the sample in a
volume of expected
consumption + 50 µL or
more into a standard cup.
• Insert the lead wire.
Reagent short REAGN T Before reagent aspiration,
the presence/absence of
reagent is checked and it is
found that the reagent is
absent.
• Prepare and set reagent
newly.
• Insert the lead wire.