Hardware Problems with the CBNAAT Machine

Common hardware problems that can occur while using the CBNAAT machine and their recommended solutions are listed below.

• The system does not start - The instrument power connections can be checked.
• Hardware failure - The system can be turned off and software can be updated.
• The CBNAAT modules are not detected - Network cable can be connected, the software can be re-launched, IP address can be reset.
• The barcode scanner is not working - Re-plug the scanner into the computer.
• The red light on the instrument module is blinking - Perform a self-test manually and call technical support if the problem persists.
• The cartridge is stuck in the module - Click on ‘Maintenance’ on the CBNAAT system window, choose ‘Open module door or update EEPROM’ and ‘Open door’ to open the module door. Call technical support if the problem still exists.
• The test report is not printed at the end of the run - Check if the printer is online, paper is present, and toner is okay.
• Unable to create a test - Check that the assay is selected, assay dyes are calibrated, modules are not disabled, and the module temperature is checked.
• Unable to start a test - Check module reporters in the maintenance window, assay reporter is present and calibration status is valid.

Resources

• Cepheid HBDC Troubleshooting Slides.
• GeneXpert Operator Manual, Version 4, Chapter 9.13, p192.

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