ZOLL 731 Series Operator's Manual page 91

Service Code Alarm Name/Mitigation/Resolution
1175 Internal Communication Failure
There is a failure of the internal communication bus and the host is not able to communicate with
the subassemblies.
Mitigation/Info: Manually Ventilate Patient, Ventilator Not Functioning
**Replace/Service Ventilator**
1176 Off Set Self Check Failure
The calibration file fails its integrity check.
Mitigation/Info: Manually Ventilate Patient, Ventilator Not Functioning
**Replace/Service Ventilator**
1420 Complete Power Failure
Power is lost from both the internal battery and an external source during operation. When this
occurs, the LCD blanks (no power for operation); the audible alarm pulses rapidly, and the visual
alarm flashes rapidly. This alarm will last for approximately two minutes.
Mitigation/Info: No LCD Display
1430 Empty Battery
The internal battery power drops below the amount required to provide ventilation and external
power is not connected. When this occurs, there is enough power to operate the user interface and
provide information to the operator.
Mitigation/Info: Manually Ventilate Patient, Connect to External Power, Restart Ventilator
**Replace/Service Ventilator**
1471 Internal Communication Failure
The device is no longer able to communicate with the User Interface Module (UIM) and the
interface controls. When this occurs, ventilation continues at the current settings or the backup
mode settings and the High Priority alarm sounds.
Mitigation/Info: Manually Ventilate Patient, Backup Ventilator Enabled
**Replace/Service Ventilator**
1472 Internal Communication Failure
The device is no longer able to communicate with the Smart Pneumatic Module (SPM). When this
occurs, ventilation continues at the current settings or the backup mode settings and the High
Priority alarm sounds.
Mitigation/Info: Manually Ventilate Patient, Backup Ventilator Enabled
**Replace/Service Ventilator**
1473 Internal Communication Failure
No valid data is sent from the SPM within 1 second. When this occurs, ventilation continues at the
current settings or the backup mode settings and the High Priority alarm sounds.
Mitigation/Info: Manually Ventilate Patient, Backup Ventilator Enabled
**Replace/Service Ventilator**
1475 LCD Control Failure
The device has lost communication with the contrast control and in most instances the content of
the LCD is not visible. When this occurs, ventilation continues at the current settings or the backup
mode settings and the High Priority alarm sounds.
Mitigation/Info: Manually Ventilate Patient, Backup Ventilator Enabled
**Replace/Service Ventilator**
906-0731-01 Rev. J ZOLL Portable Critical Care Ventilator 4-13