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14
Servicing
This device is intended to provide safe and reliable operation when operated and maintained
in accordance with the instructions provided by ResMed. To ensure that your device
continues to provide optimum performance it is recommended that this product (VPAP III
ST-A with QuickNav) be inspected by an authorised ResMed Service Centre five years from
the date of purchase. Applicable ResMed warranty details are provided with the device at
the time of original supply. Of course, as with all electrical devices, if any irregularity
becomes apparent, you should exercise caution and have the device inspected by an
authorised ResMed service centre.
If you feel that your device is not performing properly, see “Troubleshooting” on page 15.
!
CAUTION
Inspection and repair should only be performed by an authorised agent. Under
no circumstances should you attempt to service or repair the flow generator
yourself.
Helpful Hints
Travelling with the VPAP III ST-A with QuickNav
International Use
Your device has an internal power adapter that enables it to operate in other countries. It will
operate on power supplies of 100–240V, 50–60Hz and 110V, 400 Hz. No special adjustment
is necessary, but you will require an approved power cord for that country.
Using a Battery to Power the Device
Information regarding suitable DC and battery power supplies for this device can be found
on www.resmed.com on the Products page under Service and Support > Ventilation
Accessories.
Inverter or UPS
The power specifications for an inverter or a UPS are listed in the following table.
CAUTION
Do not attempt to open the device. There are no user serviceable parts inside.
Repairs and internal servicing should only be performed by an authorised
service agent.
Replacing the Air Filter
Inspect the air filter every month to check if it is blocked by dirt or contains holes. With normal
use of the device, the air filter needs to be replaced every six months (or more often if your
device is in a dusty environment). To replace the air filter:
1
Remove the air filter cover at the back of the device.
2
Remove and discard the old air filter.
3
Insert a new filter with the blue tinted side facing out.
4
Replace the air filter cover.
WARNING
Do not wash the air filter. The air filter is not washable or reusable.