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CAUTION: In the event of an alarm or you
observe the Oxygen Concentrator is not
working properly; consult the Trouble-
shooting section in this manual. If you
cannot resolve the problem, consult your
Equipment Provider.
CAUTION: To prevent a void warranty, follow all manu-
facturers' instructions.
WARNING: DO NOT ATTEMPT ANY MAIN-
TENANCE OTHER THAN THE POSSIBLE
SOLUTIONS LISTED WITHIN THIS MANUAL.
DO NOT REMOVE COVERS, ONLY YOUR
EQUIPMENT PROVIDER OR A QUALIFIED
SERVICE TECHNICIAN SHOULD REMOVE THE
COVERS OR SERVICE THIS DEVICE.
WARNING: ONLY ACCESSORIES RECOMMENDED BY
THE MANUFACTURER. USE OF ANY OTHER MAY BE
HAZARDOUS, CAUSE SERIOUS DAMAGE TO YOUR OXY-
GEN CONCENTRATOR AND WILL VOID THE WARRANTY .
WARNING: THE MANUFACTURER RECOMMENDS AN
ALTERNATE SOURCE OF SUPPLEMENTAL OXYGEN IN
THE EVENT OF A POWER OUTAGE, ALARM CONDITION,
OR MECHANICAL FAILURE. CONSULT YOUR PHYSICIAN
OR EQUIPMENT PROVIDER FOR THE TYPE OF RESERVE
SYSTEM REQUIRED.
WARNING: DO NOT ALLOW EITHER THE AIR INTAKE
OR THE AIR OUTLET VENTS TO BECOME BLOCKED.
DO NOT DROP OR INSERT ANY OBJECTS INTO ANY
OPENINGS ON THE DEVICE. THIS CAN CAUSE THE
OXYGEN CONCENTRATOR TO OVERHEAT AND IMPAIR
PERFORMANCE.
WARNING: SMOKING WHILE USING OXYGEN IS THE
NUMBER ONE CAUSE OF FIRE INJURIES AND RELATED
DEATHS. YOU MUST FOLLOW THESE SAFETY WARN-
INGS:
WARNING: DO NOT ALLOW SMOKING, CANDLES, OR
OPEN FLAMES IN THE SAME ROOM WITH THE DEVICE
OR THE OXYGEN-CARRYING ACCESSORIES.
WARNING: SMOKING WHILE WEARING AN OXYGEN
CANNULA MAY CAUSE FACIAL BURNS AND POSSIBLY
DEATH.
WARNING: IF YOU SMOKE, THESE 3 STEPS MAY SAVE
YOUR LIFE: TURN OFF THE OXYGEN CONCENTRATOR,
TAKE OFF THE CANNULA, AND LEAVE THE ROOM
WHERE THIS DEVICE IS LOCATED.
8 - ENG
PN MN250-C4 H | User Manual
WARNING: "NO SMOKING – OXYGEN IN USE" SIGNS
MUST BE PROMINENTLY DISPLAYED IN THE HOME,
OR WHERE OXYGEN IS IN USE. USERS AND THEIR CARE-
GIVERS MUST BE INFORMED ABOUT THE DANGERS
OF SMOKING IN THE PRESENCE OF, OR WHILE USING,
MEDICAL OXYGEN.
WARNING: DO NOT USE YOUR OXYGEN CONCENTRA-
TOR IN THE PRESENCE OF FLAMMABLE GASES. THIS
CAN RESULT IN RAPID BURNING CAUSING PROPERTY
DAMAGE, BODILY INJURIES OR DEATH.
WARNING: REMOVING THE CANNULA AND PUTTING IT
ON CLOTHING, BEDDING, SOFAS, OR OTHER CUSHION
MATERIAL WILL CAUSE A FLASH FIRE WHEN EXPOSED
TO A CIGARETTE, HEAT SOURCE, OR FLAME.
WARNING: DO NOT LEAVE A NASAL CANNULA ON
OR UNDER CLOTHING, BED COVERINGS OR CHAIR
CUSHIONS. IF THE UNIT IS TURNED ON BUT NOT IN USE,
THE OXYGEN WILL MAKE THE MATERIAL FLAMMABLE.
ENSURE THE POWER IS OFF WHEN THE OXYGEN CON-
CENTRATOR IS NOT IN USE.
WARNING: THE OXYGEN CONCENTRATOR MUST BE OFF
AND DISCONNECTED FROM EXTERNAL POWER BEFORE
REMOVING THE BATTERY PACK.
WARNING: SMALL PARTS MAY PRESENT A
POTENTIAL CHOKING HAZARD.
WARNING: AVOID CONTACT WITH EXHAUST AIR VENT
FOR LONGER THAN 10 SECONDS AS IT MAY BE WARM.
WARNING: WIND OR STRONG DRAUGHTS CAN
ADVERSELY AFFECT ACCURATE DELIVERY OF OXYGEN
THERAPY."
CAUTION: Always disconnect AC power
supply from the wall before disconnecting
the AC power supply from the Oxygen
Concentrator.
CAUTION: Do not position the Oxygen Concentrator so
that it is difficult to access the power cord.
CAUTION: Always place oxygen supply tubing and
power cords in a manner that prevents trip hazard or
possible accidental strangulation.