Mon Sep 16 2024

error 02.71.003

Error 02.71.003 appears on the screen after turning on the device for half an hour. What is the solution to the problem?

Equipment: drager evita4


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Wed Sep 18 2024Reply from Jlinton
Jlinton

The Error 02.71.003 on a Dräger Evita 4 ventilator is typically related to a leakage or system pressure issue, often due to a sensor or internal gas flow problem.

1. Check the Breathing Circuit for Leaks:

  • Inspect the Tubing: Ensure that all the tubing and connections in the breathing circuit are properly sealed and connected. Any loose or disconnected tubing can cause pressure-related errors.
  • Check for Visible Leaks: Look for any cracks or wear in the hoses, connectors, and fittings. Replace any damaged components.
  • Test the Circuit: Run a leak test on the ventilator. This can be done via the device’s menu. If the test fails, check each section of the circuit for the source of the leak.

2. Verify the Gas Supply:

  • Gas Pressure: Make sure the incoming gas supply (oxygen or air) is within the correct pressure range as specified by the device's requirements. Insufficient gas pressure can cause the ventilator to generate a pressure error.
  • Check Gas Supply Connections: Ensure that the gas supply hoses are correctly connected and not kinked or obstructed.

3. Inspect the Expiratory Valve:

  • The expiratory valve controls exhalation and pressure within the system. Inspect the valve for any blockages or malfunctions that could be affecting pressure regulation. Clean or replace the valve if necessary.
  • Valve Calibration: Perform a valve calibration to ensure it’s functioning within the correct parameters. This can often be done through the device's settings.

4. Check Filters and Humidifiers:

  • Clogged or dirty filters and humidifiers can cause pressure issues. Replace any filters that appear dirty or blocked, and clean the humidifier or replace its parts if necessary.

5. Test Pressure Sensors:

  • Faulty pressure sensors can give incorrect readings, leading to error codes. Ensure that the pressure sensors are working correctly and not damaged or obstructed. If they are malfunctioning, they may need to be recalibrated or replaced.

6. Perform a System Restart:

  • Turn off the ventilator and perform a full restart after a few minutes to reset the system. This can sometimes clear transient errors caused by system initialization issues.

7. Run Diagnostic Self-Tests:

  • Most Dräger ventilators have built-in diagnostic tests that can help identify specific issues. Run these tests through the device’s user interface to check the status of components like the sensors, valves, and gas flow systems.

8. Check for Software Issues:

  • Firmware Issues: Sometimes software-related bugs can cause errors. Ensure that the device is running the most current firmware version. Contact Dräger to inquire about any software updates or patches.
  • Reset Settings: If the issue persists, you may want to reset the device to its factory settings to eliminate any configuration-related errors.

James Linton, MiM, PmP, Cmbb, AAMIF
Biomedical Engineering Technology

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