ZOLL AEV Operator's Manual page 105

3455 Battery Fault
Alarm triggers when the device is not able to communicate with the internal battery and external power is con-
nected. To continue operation, the device must remain connected external power. Use in this state should only
be done if there are no other alternatives. Contact the service center for additional information.
Mitigation/Info: Battery Communication, Do Not Remove External Power, Ensure Ability to Manually Ventilate
Patient, **Contact Service Center**
3470 Self Check Fault
Alarm triggers when the device is no longer able to communicate with the Power Interface Module (PIM).
When this occurs the user should monitor operation continuously, replace the ventilator when possible and
ensure the ability to manually ventilate the patient. Contact the service center for additional information.
Mitigation/Info: Power System, Power Management Fault, Ensure the Ability to Manually Ventilate the Patient,
Monitor Power Source, **Replace/Service Ventilator**
3480 Self Check Fault
Alarm triggers when the device software detects that it has not been calibrated with the SPM that is inside the
device. This fault occurs when the biomedical technician fails to recalibrate the device following an SPM
change or service. When this occurs the device should be replaced when appropriate and sent to the service
center.
Mitigation/Info: Serial Number Mismatch, Hardware Compatibility Failure, Update Calibration Records
906-0731-01-05 Rev. C ZOLL Ventilator Operator's Guide 5-25