Data Alarm Codes - Hitachi 902 Service Manual

2.4.3 Data Alarm Codes

No. Data Alarm
ADC abnormal
Cell blank
abnormal
Sample short
Reagent short
Printer S. I/F
ADC? A The ADC value of main or
sub wavelength (only main
wavelength in single
wavelength photometry) is
zero.
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
SAMPL V Before sample aspiration,
the presence/absence of
sample is checked and it is
found that the sample is
absent.
REAGN T Before reagent aspiration,
the presence/absence of
reagent is checked and it is
found that the reagent is
absent.
Description
difference from the
reference value
(value measured
with cell blank
function on the
maintenance
screen) is ± 0.1 Abs
or more.
2 - 37
Remedy
• Perform measurement
again.
• Turn off the power switch,
and then turn it on.
• 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.
• Inject the sample in a
volume of expected
consumption + 50 µL or
more into a standard cup.
• Insert the lead wire.
• Prepare and set reagent
newly.
• Insert the lead wire.