G4: 13jan2021.B4: 14jan2021.The customer advised the ventilator was showing 0 for 35v supply, and the error logs showed several errors: check vent blow stalled or blower not running at required speeds.,check vent aux alarm supply failed, 35v supply failed and check vent backup alarm failed.The remote service engineer advised changing the power management board or motor controller board to see if it resolves the issue, so the customer requested onsite support.The field service engineer (fse) went onsite to service the ventilator.When the fse powered on the ventilator, it displayed multiple check vent alarms, as the customer reported, and the touchscreen locked up when attempting to power down.The ventilator would not power down until the ac power source and the backup battery was disconnected.The fse replaced the power management board and performed testing.The testing passed, and the issue was resolved.Following the repair, the device was returned to the customer to be placed back into service.Submission of a report does not constitute an admission that medical personnel, user facility, importer, distributor, manufacturer, or product caused or contributed to the event.
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