Ventilator & Calibration Troubleshooting
6–18 www.zoll.com 906-0731-04-01 Rev. C
Troubleshooting — Airway Pressure Calibration
Remote Calibration System
Discrete Tests Test Purpose Troubleshooting
Airway Pressure
Calibration
Airway PGA Fine Offset within range: 28668-
37914
Airway PGA Fine Gain within range: 22867 -
27669
Airway PGA Coarse Gain within range: 38675
(fixed)
• Carefully check the setup
• Review active service codes refer to the Service
code troubleshooting sheet
Calibration Check
Airway Pressure
Evaluates the accuracy of the airway pressure
calibration across the measurement range of
the transducer.
Calibration Data is within limit ± (0.2 cmH2O +
7.5% of UUT).
• Check the setup per Cal Check Airway Press sheet
• Incorrect resistor at setup
• correct resistor
• setup leak (filter cracked, gas output port not
connected)
• Replace filter Correct output port connection
Ventilator Alarms
Title Service
Code
Alarm Purpose Troubleshooting
Self-Check: Sensor/Transducers/ Calibration Files
Self Check Failure 1052 Airway pressure transducer is
not behaving as expected.
• Change SPM board.
Self Check Fault 3172 Airway pressure transducer
cannot zero.
• Hardware Problem:
• Change SPM Board/ transducer replacement
• Environmental Use
• Rapid temperature change, high vibration.
Self Check: Internal COMM – Corrupt file
Self Check Failure 1176 Checks for a corrupted
calibration file.
• Calibration required.
• Perform WRITE function to eliminate error and
perform calibration sequence.
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