Hitachi 902 - Page 16

2 - 4
(cont’d)
Alarm
Control
No.
Alarm Category
Sub-
code
Level Description Remedy
61 to 65 R. DISK 5 1 STOP The reaction disk cannot
recognize its stop position.
Check the detectors for
stop positions on the
inner and outer tracks.
5 2 STOP The reaction disk does not
stop at the specified
position.
Same as above
5 3 STOP At resetting, the reaction
disk cannot recognize its
home position.
Check the home
detector.
5 4 STOP At resetting, the first cell
on reaction disk does not
stop at the specified
position.
Check the home
detector or inner/outer
track detector.
5 5 STOP When the reaction disk
turns, the serum probe,
reagent probe, stirrer or
rinsing mechanism is not
set at the upper dead point
(on the cell side).
(When this alarm is
issued, another alarm (on
rinsing or stirring
mechanism) may concur.)
(1) Perform resetting.
(2) Check the upper
dead point detector
of the mechanism
which caused
alarm.
71 SAMPLE
PROBE
6 1 S.STOP/
STOP
(Note 1)
The serum probe does not
reach the upper dead point
in ascending motion (on
other than the cell side).
(Alarm at the first upper
dead point after resetting
will be issued from other
than the cell side.)
Check the upper dead
point detector.
72 to 85 SAMPLE
PROBE
6 2 STOP The serum probe does not
reach the upper dead point
in ascending motion (on
the cell side).
Same as above
6 3 S.STOP/
STOP
(Note 1)
The serum probe moves
down abnormally in
descending action (on
other than the cell side).
(±3 mm from cup bottom,
0 to 4 mm from cell
bottom)
(1) Check the liquid
level detector.
(2) Replace the liquid
level detector PC
board.
6 4 STOP The serum probe moves
down abnormally in
descending action (on the
cell side).
Same as above
6 5 S.STOP/
STOP
(Note 1)
The serum probe does not
go down from the upper
dead point in descending
motion.
Check the upper dead
point detector.
NOTE: 1. S.STOP may be issued only during operation.