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15Cleaning and Maintenance
!
WARNING
Beware of electric shock. Do not immerse the flow generator or power cord
in water. Always unplug the flow generator before cleaning and be sure that
it is dry before reconnecting.
!
CAUTION
Do not attempt to open the VPAP III ST-A. There are no user serviceable
parts inside. Repairs and internal servicing should only be performed by an
authorized service agent.
Testing the Alarm
Test the alarm weekly. See “Testing the Alarm” on page 26.
Replacing the Air Filter
Please refer to the illustrations in section I of the illustration sheet.
Inspect the air filter every month to check if it is blocked by dirt or contains holes.
With normal use of a VPAP III ST-A, 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 VPAP III ST-A (I-1).
2. Remove and discard the old air filter.
3. Insert a new filter with the blue tinted side facing out (I-2).
4. Replace the air filter cover (I-3).
!
WARNING
Do not wash the air filter. The air filter is not washable or reusable.
Note: The air filter should be inspected once a month.
Servicing
This product (VPAP III ST-A) should be inspected by an authorized ResMed
service center 5 years from the date of manufacture. Prior to this, the device is
intended to provide safe and reliable operation provided that it is operated and
maintained in accordance with the instructions provided by ResMed. 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
authorized ResMed service center.
If you feel that your VPAP III ST-A is not performing properly, see
“Troubleshooting” on page 32.