Livanova (b)(4) manufactures the s5 gas blender system.
The incident occurred in (b)(6).
The device was sent to livanova (b)(4) for investigation.
The service engineer inspected the device and was able to confirm the reported issue.
During inspection, the calibration showed a deviaition in the o2 flow and the temperature sensor was identified as not working properly.
The measurement bridge, the mass flow controller and the front panel required replacement.
After the replacement of the parts, a recalibration, and a functional check were performed with no further issue.
The device was returned to service.
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