ResMed S9 AutoSet CS-A Technical manual

AutoSet™CS-A
ADAPTIVE SERVO-VENTILATOR
Information Guide
English
Please read the entire Information and Welcome Guides before using your device.
Indications for use
The S9 AutoSet CS-A is indicated to stabilise the ventilation of adult patients exhibiting central
sleep apnoea (CSA), mixed sleep apnoea and periodic breathing, with or without obstructive
sleep apnoea. It is intended for home and hospital use.
Contraindications
ASV therapy is contraindicated in patients with chronic, symptomatic heart failure with reduced
left ventricular ejection fraction (LVEF ≤ 45%).
Positive airway pressure therapy may be contraindicated in some patients with the following pre-
existing conditions:
•severe bullous lung disease
•pneumothorax or pneumomediastinum
•pathologically low blood pressure, particularly if associated with intravascular volume depletion
•dehydration
•cerebrospinal fluid leak, recent cranial surgery, or trauma.
Adverse effects
Patients should report unusual chest pain, severe headache, or increased breathlessness to their
prescribing physician. An acute upper respiratory tract infection may require temporary
discontinuation of treatment.
The following side effects may arise during the course of therapy with the device:
•drying of the nose, mouth, or throat
•nosebleed
•bloating
•ear or sinus discomfort
English 1

•eye irritation
•skin rashes.
Troubleshooting
If there is a problem, try the following suggestions. If the problem cannot be solved, contact your
equipment supplier or ResMed. Do not attempt to open the device enclosure.
Problem/Possible cause Solution
No display
Power is not connected. Ensure the power cord is connected and the power outlet (if
available) is on.
The DC plug is partially inserted
into the back of the device or
inserted too slowly.
Fully insert the DC plug.
Insufficient air delivered from the device
Ramp time is in use. Wait for air pressure to build up or change ramp time.
Air filter is dirty. Replace air filter.
Air tubing is not connected
properly.
Check air tubing.
Air tubing is blocked, pinched or
punctured.
Unblock or free the air tubing. Check the air tubing for punctures.
Mask and headgear are not
positioned correctly.
Adjust position of mask and headgear.
Incorrect air tubing selected. If you are using the SlimLine, Standard or 3 m air tubing ensure
that you have the correct air tubing selected via the menu.
Non-vented mask is used. Only use a vented mask.
Mask vents might be blocked. Check if you have sufficient venting. Unblock mask vents if
necessary.
EPAP may be set too low. Talk to your clinician about your settings.
2

Problem/Possible cause Solution
Device does not start when you breathe into the mask
Breath is not deep enough to
trigger SmartStart/Stop.
Take a deep breath in and out through the mask.
SmartStart/Stop is disabled
because the High Leak or Low
Minute Ventilation alarm is
enabled.
Press Start/Stop to start therapy.
SmartStart/Stop is disabled. Talk to your clinician about enabling the SmartStart/Stop feature.
There is excessive leak. Adjust position of mask and headgear.
Connect the air tubing firmly at both ends.
Device does not stop when you remove your mask
SmartStart/Stop is disabled
because the High Leak or Low
Minute Ventilation alarm is
enabled.
Press Start/Stop to stop therapy.
SmartStart/Stop is disabled
because Confirm Stop is
enabled.
A message appears on the screen. To stop therapy, select Yes and
press the Push Dial.
SmartStart/Stop is disabled. Talk to your clinician about enabling the SmartStart/Stop feature.
SmartStart/Stop is enabled but the device does not stop automatically when you remove your
mask
Incompatible mask system
being used.
Only use equipment recommended by ResMed.
Incorrect mask setting being
used.
Check the selected mask type in the Setup menu. Change it if
necessary.
The patient is using a nasal
pillows mask with a set
pressure less than 6 cm H2O.
Disable SmartStart/Stop.
English 3

Problem/Possible cause Solution
Pressure rises inappropriately
Talking, coughing or breathing in
an unusual manner.
Avoid talking with a nasal mask on, and breathe as normally as
possible.
Mask cushion is buzzing against
the skin.
Adjust the headgear.
Cushion seated incorrectly
causing excessive leak.
Adjust headgear or re-fit cushion.
Displays message: High temperature fault, refer to user manual
Device has been left in a hot
environment.
Allow to cool before re-use. Disconnect the power cord and then
reconnect it to restart the device.
Air filter is blocked. Replace your air filter. Disconnect the power cord and then
reconnect it to restart the device.
Air tubing is blocked. Check your air tubing and remove any blockages. Disconnect the
power cord and then reconnect it to restart the device.
Humidity level setting is too
high, resulting in accumulation
of water in the air tubing.
Turn the humidity level setting down and empty the water from
the air tubing.
Displays message: Check ResMed 30/90W Power Supply Unit and fully insert the connector
The DC plug is partially inserted
into the back of the device or
inserted too slowly.
Fully insert the DC plug.
A non-ResMed power supply
unit is connected to the device.
Remove the power supply unit and replace with a ResMed power
supply unit.
The power supply unit is being
covered by bedding.
Make sure that the power supply unit is free from bedding, clothes
or other objects that could cover it.
The following message is displayed on the LCD after you try to update settings or copy data to
the SD card: Card error, please remove SD card and contact service provider
SD card is not inserted correctly.
Ensure that the SD card is inserted correctly.
4

Problem/Possible cause Solution
You may have removed the
SD card before settings were
copied to the device.
Reinsert the SD card and wait for the Home screen or the
"Settings updated successfully, press any key"message to
appear on the LCD.
Note: This message only appears once. If you re-insert the SD card
after you have updated your settings, the message will not be re-
displayed.
The following message is NOT displayed on the LCD after you try to update the settings using
the SD card: Settings updated successfully, press any key
The settings were not updated. Contact your clinician/service provider immediately.
Alarms
If the system has not been properly assembled, the device will trigger an alarm. Check that the air
tubing has been properly attached to the device and mask (and humidifier if used).
Problem/Possible cause Solution
Alarm is activated and the LCD screen display disappears
Power failure.
Power cord is disconnected or
mains power switch is turned
off during therapy.
Remove your mask until power is restored.
Ensure the power cord is connected and the mains power switch
(if available) is on.
Displays message: High leak, please check system setup and all connections
There is excessive leak. Adjust position of mask and headgear.
Connect the air tubing firmly at both ends.
English 5