Specifications
A64192AA2 FINAL
6-12
Connection Unit
Connection Unit Error Recovery 
2-03 SL03 During its operation 
Cassette Loading Arm 
cylinder SL03 did not 
swing up/down and 
misses activating the 
limit sensor. The two 
limit sensors for SL03 
are AS06 (down) and 
AS05 (up).
Connection 
Unit 
Loading and 
Unloading 
Arms
B-7 1. Clear any obstruction.
2. Ensure cassette is properly seated on loading 
arm fingers.
3. Press PAUSE/RUN to clear the error.
4. If the problem persists, call your Beckman 
Coulter Representative.
2-04 SL04 During its operation 
Cassette Unloading 
Arm cylinder SL04 did 
not fully extend and 
misses activating the 
limit sensor. The two 
limit sensors are AS07 
(down) and AS08 (up).
Connection 
Unit 
Loading and 
Unloading 
Arms
B/C-1 1. Ensure the cassette loading arm fingers align 
with sample tube positions #8 and #12 of the 
cassette and the positions are empty.
2. Press PAUSE/RUN to clear the error.
3. If the problem persists, call your Beckman 
Coulter Representative.
2-05 SL05 During its operation 
Cassette Unloading 
Arm cylinder SL05 did 
not fully extend and 
misses activating the 
limit sensor. The two 
limit sensors are AS09 
(down) and AS10 (up).
Connection 
Unit 
Loading and 
Unloading 
Arms
B-1 1. Ensure the cassette loading arm fingers align 
with sample tube positions #8 and #12 of the 
cassette and the positions are empty.
2. Press PAUSE/RUN to clear the error.
3. If the problem persists, call your Beckman 
Coulter Representative.
2-06 SL06 During its operation 
Cassette Unloading 
Arm cylinder SL06 did 
not swing up/down and 
misses activating the 
limit sensor. The two 
limit sensors are AS12 
(down) and AS11 (up.)
Connection 
Unit 
Loading and 
Unloading 
Arms
B-1 1. Clear any obstruction.
2. Ensure cassette is properly seated on loading 
arm fingers.
3. Press PAUSE/RUN to clear the error.
4. If the problem persists, call your Beckman 
Coulter Representative.
Tab le 6. 1 Connection Unit Error Codes  (Continued)
Keypad 
Display Sensor
a
Problem
Sensor 
Diagram
Grid 
Ref Solution










