ResMed III ST-A Sound Single, Lcd Check Tube, Lcd Pressure Error, Lcd Ipap Lower, Alarm

Warning Signal

The flow generator stops delivering air pressure. Sound: Two alternating continuous tones LCD: LCD turns off LED: Red flashing Alarm: Power fail

Cause		Action
•	Power failure.	Alarm will stop:
•	Power cord is	when the Alarm Mute key is pressed,
	disconnected or	or
	VPAP III ST-A	after 2 minutes,
	switched off while	or
	delivering	when power is restored.
	treatment (without
	pressing the Start/
	Stop key).

The flow generator stops	•	Air tubing	1.	Check that the air tubing is
delivering air pressure.		disconnected from		connected properly to the
Sound: Single		the HumidAire 2i/		HumidAire 2i/2iC.
intermittent tone		2iC.	2.	Check that the HumidAire 2i/2iC or
LCD: CHECK TUBE	•	Hardware failure.		front cover is connected properly to
LED: Yellow flashing				the flow generator.
			3.	Turn the VPAP III ST-A off and on
Alarm: System fault
				again at the power switch.
			If the alarm persists, return the unit to
			ResMed for servicing.
The flow generator stops	Treatment pressure		•	Return the VPAP III ST-A for
delivering air pressure.	delivered above a set			servicing.
Sound: Single	level.		•	DO NOT USE THE VPAP III ST-A
intermittent tone				DEVICE.

LCD: PRESSURE ERROR!

LED: Yellow flashing

Alarm: Over pressure

Sound: Single	VPAP III ST-A is
intermittent tone	operating outside
LCD: IPAP LOWER	device specifications.
ALARM
LED: Yellow flashing
Alarm: Over use

Continue using and contact your clinician about this alarm. Device settings may require adjustment.

The flow generator stops	Hardware error.	• Return the VPAP III ST-A for
delivering air pressure.		servicing.
Sound: Single		• DO NOT USE THE VPAP III ST-A
intermittent tone		DEVICE.
LCD: SENSOR ERROR!
LED: Yellow flashing
Alarm: System Error

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