Troubleshooting - ResMed VPAP III ST-A User Manual

Configuration
VPAP III ST-A with QuickNav (without
HumidAire 2i humidifier)
VPAP III ST-A with QuickNav with
HumidAire 2i humidifier
Note : Use only a pure sine wave
inverter when a HumidAire 2i is
attached.
The case temperature should be less than 50°C at an ambient temperature of 35°C. (For
VPAP III ST-A with QuickNav temperature specifications, see "System Specifications" on
page 16.)

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.
Problem / Possible Cause
No display.
Power not connected or switch at back is
not on.
Insufficient air delivered from the device.
Ramp Time is in use.
Air filter is dirty.
Air tubing is kinked or punctured.
Air tubing is not connected properly.
Mask and headgear not positioned
correctly.
Plug(s) missing from access port(s) on
mask.
Pressure required for treatment may have
changed.
The device does not start when you breathe into the mask (when
SmartStart is enabled).
Power cord not connected properly.
Power outlet may be faulty.
The device is not switched on.
SmartStart not on.
Breath is not deep enough to trigger
SmartStart.
Continuous Output
Power Rating
60W
150W
Solution
Ensure the power cable is connected and
that the switch at the back of the device is
in the ON position.
Wait for air pressure to build up.
Replace air filter.
Straighten or replace tubing.
Check air tubing.
Adjust position of mask and headgear.
Replace plug(s).
See your clinician to adjust the pressure.
Connect power cord firmly at both ends.
Try another power outlet.
Turn power switch at rear of the device to
I
on ( ).
Enable SmartStart.
Take a deep breath in and out through the
mask.
Peak Output
Power Rating
225W
300W (110V inverter)
600W (240V inverter)
Troubleshooting 15