Chapter 7: Troubleshooting
103
Sample tube not
fitting on SIP
Rapid sample
aspiration
No events in
acquisition display
and RUN button is
green
Possible causes
Recommended solutions
Sample tube other than
Falcon® tubes used
Use Falcon 12 x 75-mm sample tubes.
See
.
Worn Bal seal
Replace the Bal seal. See
Sample tube is cracked
Transfer contents to a new tube.
Possible causes
Recommended solutions
Support arm is to the side
Place the support arm under the
sample tube.
Droplet containment module
is failing
Try the solutions in
. If the
issue is not resolved, call your BD
service representative.
Possible causes
Recommended solutions
Threshold is not set to the
correct parameter (usually
FSC)
Set the threshold to the correct
parameter for your application.
Threshold level is too high
Lower the threshold level.
PMT voltage for threshold
parameter is set too low
Set the PMT voltage higher for the
threshold parameter.
Gating issue
See the
BD FACSDiva Software
Reference Manual
for information on
setting gates.
Air in the sheath filter
Purge the filter. See
.
Air bubble or debris in the
flow cell
Prime the fluidics system. See
.
Summary of Contents for FACSymphony A3
Page 4: ......
Page 8: ...User s Guide 8...
Page 14: ...This page intentionally left blank...
Page 46: ...This page intentionally left blank...
Page 86: ...This page intentionally left blank...
Page 97: ...Chapter 6 Recording and analyzing data 97 e Click OK 12 Print the analysis...
Page 98: ...User s Guide 98 Your global worksheet analysis objects should look like the following...