Abbott CELL-DYN 3000 - VP4.2 Rack Sensor Adjustment

28 Oct
1997 21:57
CELL-DYN
®
3/35 Sample Loader TS Guide 9140234B-June 1997
VERIFICATION PROCEDURES
VP - 4.2 Rack Sensor Adjustment
3 - 63
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VP - 4.2 Rack Sensor Adjustment
Purpose:
Perform this procedure to adjust Rack Sensor position and sensitivity.
1. Perform Check procedure “VP - 4.1 Rack Sensor Check” (Pa
g
e 3-59).
2. Remove covers.
3. Put Sample Loader in Manual Mode.
a. Press and Hold
MAN
and
START
.
b. Turn Power
ON
, hold keys down until BEEPING stops.
4. Rack sensors must be flush with, or recessed one-half (1/2) the thickness of the platen wall.
a. To adjust sensor, loosen rack sensor bracket and move sensor.
5. Adjust sensitivity of Sensor.
a. Set up racks accordin
g
to Steps 1-5 of “VP - 4.1 Rack Sensor Check” (Pa
g
e 3-59).
b. Adjust appropriate potentiometer (pot) on CPU Main Board (Table 3 - 5, Pa
g
e-3-64 and Fi
g
ure
3-29, Pa
g
e-3-65), counterclockwise until
ALARM LED
turns
OFF
, then clockwise until
ALARM LED
turns
ON
. (It may be necessary to move sensor to properly adjust pot.)
c. Repeat procedure for each sensor.
d. Usin
g
Rack Sensor Check Step 7 (3-61), adjust
E
Sensor pot.
Special Tools
DESCRIPTION QTY PN
Feeler Gau
g
e Set 1 1-43627-01