ResMed VPAP IV ST Operating instructions

ACDuncan Dec 2008
Reviewed 2013
VICTORIAN RESPIRATORY SUPPORT SERVICE
AUSTIN HEALTH
VPAP IV S/T MACHINE with H4i HUMIDIFIER
OPERATION AND TROUBLESHOOTING
Height: 11.2cm
Width: 16.4cm
Depth: 14.5cm
Weight: 1.3kg

ACDuncan Dec 2008
Reviewed 2013
The ResMed VPAP IVST is a portable ventilator.
VPAP machines are used by people who need breathing support during sleep.
TYPES OF VENTILATION (MODES):
Spontaneous mode: the machine will deliver breaths in response to your breathing efforts.
Timed mode:the machine will deliver a set number of breaths every minute.
S/T mode: the machine will deliver breaths at a set rate and will also respond to your
breathing efforts.
POWER SOURCE:
The VPAP machine should be operated from mains power. An external battery can also be
purchased.
EXTERNAL BATTERY:
The VPAP may be connected to a 12 volt external battery through a power inverter. This will
provide up to 8 hours of operation –please contact VRSS Outreach for more information.
FRONT PANEL:
Black carrying handle.
LCD screen –displays settings when in operation.
VPAP Control panel –On/Off, Up/Down, and Left/Right buttons.
Humidifier temperature control
22mm Air outlet.
Attach circuit tubing here
Carrying handle
LCD Display
Control Panel
Start/Stop
Humidity control

ACDuncan Dec 2008
Reviewed 2013
REAR PANEL:
Air inlet and filter
DC power socket
AC power socket
OPERATION:
Never move the breathing machine when there is water in the humidifier
chamber. Spilling water into the machine may cause mechanical failure.
ALWAYS remove and empty the chamber before moving the machine.
Plug the power cord into the rear of the machine.
Remove the water chamber by lifting lid
Fill with warm tap water, put back on to hotplate and close the
cover.
Connect the circuit tubing to the air outlet on the humidifier cover and to the mask.
Put mask on as described by manufacturer.
Press the START/STOP button to turn the machine on.
Adjust the humidifier temperature as required.
Air inlet and filter
AC Power socket

ACDuncan Dec 2008
Reviewed 2013
CLEANING & MAINTENANCE:
Daily:
If using a humidifier; disconnect the tubes, remove the chamber and empty the water;
then remove the base of the chamber and dry both parts before reassembling them.
Fill the chamber with WARM water before placing it back on the heater base when
you next use the machine.
Weekly:
Dust the machine with a slightly damp cloth, ensuring that no water gets into the
power socket on the back of the machine.
Remove humidifier chamber, empty the water and disassemble chamber.
Wash all items in warm water using mild unperfumed soap and rinse thoroughly.
Reassemble before next use of the VPAP machine.
Periodically:
Check the filter every month and change it if it is dusty.
Change the filter every 2-3 months, more frequently if in a dusty environment.
Place the new filter with the blue tinted side facing out.
SERVICING:
The VRSS Outreach Service staff will contact you to make arrangements for routine annual
servicing & performance test.
HUMIDIFIER TROUBLESHOOTING GUIDE
Problem Possible Cause Corrective Action______
Leaking water chamber Chamber incorrectly Reassemble chamber
assembled Replace “O” ring (seal)
Chamber cracked Replace chamber
Water splashing into face Water chamber over filled Empty some water
Condensation is forming in Turn humidifier down
tubing or mask Use tubing cover

ACDuncan Dec 2008
Reviewed 2013
VPAP TROUBLESHOOTING GUIDE
Problem Possible Cause Corrective Action______
Unit does not start when the Power cord not connected properly Connect cord firmly at
Start button is pressed, and both ends.
no lights are showing on
the LCD panel. Power point may be faulty Try another power outlet
Machine does not alternate Hyperventilation and/or high The machine will revert
between IPAP and EPAP room temperature has caused to normal once it cools
machine to overheat down (about 15 mins)
If uncomfortable stop the
machine for the time it
takes to cool.
Try to slow your breathing.
Cool your room down.
Machine not giving enough Ramp timer is on Wait for pressure to build
air up over selected ramp time
or Turn ramp timer off.
Air filter is dirty Change the filter.
Tubing is kinked or punctured Straighten or replace tube.
Tubing is not connected properly Tighten all connections
Mask and headgear not on properly Reapply mask
Plugs missing from access ports Replace plugs.
on mask.
Air leaking around nose Cushion not properly fitted to Refit cushion to frame.
and eyes mask frame
Mask/harness not positioned Adjust mask position.
correctly.
Plugs missing from access ports Replace plugs or seal hole
on the mask with plastic tape.
Nasal cushion is worn, torn or Replace cushion
distorted.
Machine does not stop when you Smart start/stop is disabled Enable Smart Start/Stop.
take the mask off Use on/Off button to stop
the machine
Smart Start/stop is on but unit Incompatible humidifier or Change humidifier or mask
does not stop when you take the mask being used type
mask off
Displays error message: The air tubing is loose Secure all connections
Check tube!! Press any key to clear the
Key if done. message.
Displays error message: Component failure Call VRSS Outreach
SYSTEM ERROR
Call Service!
Excessive motor noise Component failure Call VRSS Outreach
Displays error message: You had excessive mask/ Secure all connections
High leak in last session mouth leak during the night Use mask fitting feature to
help fit mask properly.