| Observation | Possible causes | Recommended solutions |
|---|---|---|
| Distorted scatter parameters | Cytometer settings are improperly adjusted | Optimize the scatter parameters |
| Air bubble in sheath filter or flow cell | Purge the air from the filter | |
| Flow cell is dirty | Perform the system flush procedure. Contact FMCF staff | |
| Air leak at sheath container | Ensure that the sheath container lid is tight and all connectors are secure | |
| Hypertonic buffers or fixative | Replace the buffers and fixative |
