There are two devices dräger evita 2 dura. One is not working, the second is working. On one, the flow sensor is not calibrated, writes: calibration filed - measurement inop. On another device, this flow sensor is calibrated OK. Something with the device. Help advice.
Mon Aug 19 2019
mechanical ventilation
Mon Aug 19 2019Reply from MedWrench Mandy
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Tue Jan 28 2020Reply from Eng. Hamad
Tue Jan 28 2020Reply from mgbmike
A few things to try. Swap flow sensors, if problem follows, then it's the flow sensor. If failure remains, swap exhalation valve. Flow calibration happens during inspiration. If the exhalation valve is leaking during inspiration, you can get this error. Lastly would be pneumatic controller PCB
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