Disconnect the worn tubing from the primary input and waste connectors.
Wait 5 additional minutes. If the error persists, ensure the instrument is away from direct AC vents and that the rear cooling fan is spinning freely. "Aspiration Error" / "No Fluid Detected"
Proper installation prevents baseline drift, optical errors, and premature component wear. Environmental Conditions
Disclaimer: This article summarizes typical features found in the BioSystems BTS 350 User Manual. Always refer to the specific version of the manual provided with your instrument for exact instructions, as software versions and hardware configurations may vary. biosystems bts 350 user manual
Comprehensive Guide to the Biosystems BTS-350 User Manual and Operation The Biosystems BTS-350
To ensure your lasts, follow these maintenance tips:
But if you are reading this, chances are you are holding one of these rugged units and have one specific problem: Disconnect the worn tubing from the primary input
Before diving into the user manual, let's familiarize ourselves with the key components of the Biosystems BTS 350:
View and store results. The device supports 2-level internal quality control (Levey-Jennings). 4. Maintenance and Troubleshooting
Contains options for pump calibration, date/time adjustments, LCD contrast settings, and optical system diagnostics. 4. Operating Instructions and Workflow Follow these sequential steps to run daily patient samples. Step 1: Warm-Up Period "Aspiration Error" / "No Fluid Detected" Proper installation
Place a tube of fresh, deionized water under the aspiration probe. Press the bar. Verify that absorbance values read close to 0.000 A. Running Controls and Patient Samples Navigate to the desired test program using the keypad.
0.0 to 3.5 A (Absorbance) across all wavelengths.
Remember that firmware updates sometimes change the menu structure. Always check the revision date on your manual (look for the copyright year on the second page). As of the last major revision, the BTS 350 remains a workhorse in small-to-medium volume labs, provided operators respect the guidelines laid out in its manual.
Allow 10 cm of clearance around the cooling fans. Power Requirements