The complaint device was returned for evaluation.Incoming visual inspection did not identify any anomalies.Technical visual inspection did not identify any anomalies.Device evaluation found a bad spo2 pcb, confirming the issue.The spo2 pcb was replaced.The circuit boards were inspected.The case was checked for damage.The device was tested on a simulator.The display, ecg, ibp, nibp, on/off power, recorder, spo2, and temp test all passed.The root cause was determined to be the aged masimo spo2 pcb.This was not related to the previous repair.This type of event will continue to be monitored.
|