User’s Guide
104
No sample in the tube
Verify that sample remains in the tube
and if necessary, add sample to the
tube or install a new sample tube.
Sample is not mixed properly
Mix the sample to suspend the cells.
Waste tank is full
Empty the waste tank.
PMT voltages set too low or
too high for display
parameter
Adjust the PMT voltages.
Too few events are displayed
Increase the number of events to
display.
Sample injection tube is
clogged
Remove the sample tube to allow
backflushing.
If the event rate is still erratic, clean
the sample injection tube. See
.
Bal seal is worn
Replace the Bal seal. See
Instrument is not warmed up
Wait 30 minutes for the instrument to
warm up.
Laser delay is set incorrectly
Adjust the laser delay settings. See
Laser is not functioning
Verify the malfunction by changing the
threshold to an alternative laser while
running the appropriate sample. If
unsuccessful, contact BD Biosciences.
Tube is cracked or misshapen
Replace the sample tube.
Possible causes
Recommended solutions
Summary of Contents for FACSymphony A3
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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...