Hitachi 902 - Page 15

2 - 3
Alarm
Control
No.
Alarm Category
Sub-
code
Level Description Remedy
1 to 8 STIRRER 1 1 STOP In ascending action of the
stirrer, it does not reach the
upper dead point (on the
rinsing bath 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.
1 2 STOP In ascending action of the
stirrer, it does not reach the
upper dead point (on the cell
side).
Same as above
1 3 STOP In descending action of the
stirrer, it does not leave the
upper dead point.
Same as above
1 4 STOP When the stirrer moves
toward the rinsing bath, it
does not reach the rinsing
bath position.
Check the home
detector.
1 5 STOP The stirrer does not come to
the cell position.
Check the detector on
the cell side.
1 6 STOP At resetting, the stirrer does
not reach the rinsing bath
position (home position) in
its return movement to the
home position.
Check the home
detector.
1 7 STOP At resetting, the stirrer does
not leave the rinsing bath
position (home position) in
its departing movement
from the home position.
Same as above
1 8 STOP In rotation of the stirrer, it is
not set at the upper dead
point.
Check the upper dead
point detector.
21,22 RINSE 3 1 STOP The rinsing mechanism does
not reach the upper dead
point in ascending motion.
Check the upper dead
point detector.
3 2 STOP The rinsing mechanism does
not leave the upper dead
point in descending motion.
Same as above