Wash the flow cell with distilled water after every work session. Never leave reagents or serum sitting in the tubing overnight.
Connect the unit to a stabilized power source. The BTS-350 performs an automatic self-check of the optical and mechanical systems. biosystems bts 350 user manual
Check for a blockage in the intake needle or a leak in the peristaltic pump tubing. Conclusion Wash the flow cell with distilled water after