Problem / Possible Cause | Solution | |
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| Breath is not deep enough to trigger | Take a deep breath in and out through the |
| SmartStart. | mask. |
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| There is excessive leak. | Adjust position of mask and headgear. |
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| Plugs may be missing from ports on mask. | Replace plug(s). |
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| Air tubing is not connected properly. | Connect firmly at both ends. |
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| Air tubing is kinked or punctured. | Straighten or replace. |
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| There is a large impedance (eg, antibacterial | Press the Start/Stop key. |
| filter, oxygen connector) in the air circuit. |
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The device does not stop when you remove your mask.
| SmartStart/Stop is disabled. | Enable SmartStart/Stop. |
| Use of a full face mask. | SmartStop does not work with a full face |
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| mask. |
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| Incompatible humidifier or mask system | Use only equipment as recommended and |
| being used. | supplied by ResMed. |
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| Leak Alarm or Low MV Alarm is set to ON. | Consult your clinician. |
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Displays error message: SYSTEM ERROR Call service! | ||
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| Component failure. | Return your device for servicing. |
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Excessive motor noise. |
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| Component failure. | Return your device for servicing. |
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System Specifications
Dynamic pressure | • | IPAP: 2 cm H2O to 30 cm H2O (measured at the end of | |
characteristics: |
| standard 2 m air tubing) |
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| • EPAP: 2 cm H2O to 25 cm H2O (measured at the end of | ||
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| standard 2 m air tubing) |
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| • CPAP: 4 cm H2O to 20 cm H2O (measured at the end of | ||
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| standard 2 m air tubing) |
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Maximum single fault | 40 cm H2O |
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pressure: |
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Maximum flow | Pressure (cm H2O) | Flow (L/min) | |
(Pressure, measured at |
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4 |
| 244 | |
the end of standard |
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2 m air tubing) | 8 |
| 252 |
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| 12 |
| 245 |
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| 16 |
| 248 |
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| 20 |
| 246 |
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Sound pressure level: | <30 dB (tested in accordance with the requirements of ISO | ||
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<37 dB (tested in accordance with the requirements of ISO
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