The device
Unplug the device and clean the external surface using one of the
following cleaning agents:
• A clean cloth dampened with water and a mild detergent
• 70% Isopropyl alcohol
• DisCide towelettes
• 10% chlorine bleach solution
Allow the device to dry completely before plugging in the power
cord. The device does not require routine servicing.
The breathing circuit, interface and bacteria filter
• After each use, the breathing hose and patient interface should be
washed thoroughly with mild liquid detergent and water. The parts
need to be completely dried before each use.
• The bacteria filter cannot be washed. It should be replaced when
blocked with mucus or trapped moisture.
• Replace the mask if it becomes torn or if you can no longer
maintain a good seal.
The air filter
Under normal usage, you should clean the air filter at least once
every two weeks and replace it with a new one every six months.
• If the device is operating, stop the airflow. Disconnect the device
from the power source.
• Remove the filter from the enclosure.
• Examine the filter for cleanliness and integrity.
• Wash the filter in warm water with a mild detergent. Rinse
thoroughly to remove all residue.
• Allow the filter to air dry completely. Replace the filter if it is torn
or damaged. Only Philips Respironics filters should be used as
replacement filters.
• Reinstall the filter.
Cleaning and maintenance
A patient guide to CoughAssist T70
8
A patient guide to CoughAssist T70
9
If the Information log picture is displayed on the screen, it means information
is available in the information log screen but it does not necessarily affect therapy.
To access these messages:
• From the Standby screen, press up (Menu) key, press down (Navigate) key
to “Information Log.”
• Press right (Select) key. One of the following messages will appear:
Message
User action
Battery not charging – Temp
The detachable battery is too hot and cannot be charged. Allow device and/or
battery to cool to resume charging. Remove battery and charge with battery charger
accessory. If battery still cannot be charged, contact your homecare provider.
Check external battery
Power is being drawn from the detachable battery even though the external battery is
usable. Replace external battery cable or external battery. If problem persists, contact
your homecare provider.
Detachable battery not charging
The detachable battery cannot be charged. Replace battery. If problem persists with a
different battery, contact your homecare provider.
Replace detachable battery
Detachable battery has failed or has reached end of life. Replace battery. If problem
persists with a different battery, contact your homecare provider.
Internal fan failure – see User Manual
The internal fan is not working. Device should not be used with oxygen added to the
patient circuit. Before using oxygen with this device, contact your homecare provider.
Card error
The device cannot write to or read from the SD card. Remove the SD card and use
another card, if available. If problem persists, contact your homecare provider.
Information log
