Maintenance Schedule & Procedures
906-0731-04-01 Rev. C ZOLL Ventilator Service Manual 3–9
Calibration Check Airway Pressure
The TCE performs the Calibration Check to determine a PASS/FAIL result for the Airway
Pressure System.
Calibration Check 02 Kickstart
The TCE performs the Calibration Check to evaluate the breath volume to determine a
PASS/FAIL result for the O2 Kickstart.
Calibration Check 02 System TCE perform the Calibration Check to determine a PASS/FAIL result for the O2 system
O2 Leak Filter and Pressure Cal.
Check
The TCE verifies that there is no leak in the high pressure O2 supply interface, the
sintered bronze filter is present and not clogged, and the O2 supply pressure calibration
meets specification.
Manifold Leak Check
The TCE verifies that the manifold (everything pneumatically connected to the gas output
port) has an acceptable leak rate when tested at 5 cmH2O and 25 cmH2O.
Exhalation Backup and Autocal
Valve
The TCE verifies that the Exhalation Valve, Backup Valve and Autocal Valve are tubed
correctly can switch completely and can switch with an acceptable delay.
Compressor Bypass Protection
The TCE verifies that the compressor bypass protection mechanism is functional by
imposing the fault condition and then verifying recovery from the fault condition.
Breath Performance Check
The TCE verifies functionality of all the major pneumatic components working together
via a matrix of breath and lung settings.
Date and Time Set The TCE set the date and time in the device to the laptop time.
Date and Time Check The TCE verifies functionality of date and time in the device vs. laptop time.
Verify UUT and Reference device
The TCE checks for reference device and UUT serial numbers during a test to ensure the
UUT and/or reference device are not swapped.
Conditional PM Due Reset The TCE resets the PM due date, if the calibration and functional checks are successful.
End of Discrete Test List
Test Name Description
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