Precise Biomedical, Inc.
2915 Brookpark Road
Parma, Ohio 44134
Tele:  (216) 351-6011
Fax:  (216) 351-8334
Toll Free: 866-772-6011
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Medical Equipment - Blood Cell Counters

Here's a list of common problems and solutions involving Blood Cell Counters. If you don't see the answer to your question here, please call Precise Biomedical at 866-772-6011 and ask to speak to one of our staff engineers.

Problem Possible Solution
Controls out of range
  • Expired Controls, Check Expiration Date

  • Expired Reagents: Check Expiration date

  • Possible Dilutor problem: Check dilutor with pipette for proper dilutor values

  • Possible contaminated tubing or aperture: Bleach or decontaminate machine with manufacturers suggested cleaning agent. Allow sufficient decontamination time

  • Controls not at room temperature or not mixed properly at time of dilution: Retry controls after 20 minutes at room temperature

  • Possible calibration problem: Recalibrate machine with clinical calibrator