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PN MN234 G | User Manual    9 - ENG

Liberator

Troubleshooting

Issue

Solution

Inadequate Flow

• Verify flow control knob is on correct flow rate setting
• Verify flow control knob is not set in between flow rates.
• Verify liquid oxygen is in unit
• Verify if cannula is kinked or pinched
• Verify if cannula is properly connected to unit

NOTE: If issues persists, contact your service provider.

The liquid level meter 
does not work or is not 
accurate.

• The battery may need to be replaced or the meter re-calibrated. Contact service 

provider for assistance.

The low battery LED 
illuminated on liquid level 
meter.

• Contact service provider for assistance.

Frosting on coils of 
Liberator.

• Frosting on coils is normal operation when breathing off of Liberator.

There is frosting on tank 
or side of Liberator.

• Frosting on outside of tank is abnormal; contact service provider for assistance.

There is a hissing sound 
emanating from Liberator.

• During normal operation the unit's primary relief valve will open from time to 

time to relieve excess pressure, especially soon after filling.

• If hissing is persistent or abnormal, this could indicate excess pressure being 

vented off or a leak in the system.  Contact service provider for assistance.

Liquid Oxygen evacuating 
from blue QDV.

• The QDV may have frozen open.  Open windows if possible and evacuate area 

immediately.  Contact service provider.

• To prevent frozen QDV, be sure to wipe QDV with dry lint free cloth before and 

after filling your portable.

Condensation or water 
pooling up on floor.

• As the frost melts on the coils, water may accumulate on the floor if the con-

densate bottle is not used or is full. Verify that condensate bottle is installed 
properly and emptied as needed.

Portable takes a long 
time to fill.

• It could take several minutes to fill portable device if the portable device is warm 

or hasn't been used recently.

• Consult user manual for your portable liquid oxygen device.

Portable not filling.

• Ensure reservoir tank has sufficient liquid to fill your portable device. Ensure 

portable device is pushed onto QDV correctly and the portable vent valve lever 
is held in the open position.

• Consult user manual for your portable liquid oxygen device.

Summary of Contents for Liberator 20

Page 1: ...Liberator User Manual English...

Page 2: ...an Community If the product unique device identifier UDI label has the CE symbol on it the device complies with the requirements of Directive 93 42 EEC concerning medical devices The CE symbol indicat...

Page 3: ...kg 48 6 lb 22 04 kg 50 lb 22 68 kg 55 lb 24 95 kg 75 4 lb 34 19 kg Weight Filled 89 7 lb 40 69 kg 123 36 lb 56 13 kg 141 01 lb 63 98 kg 165 32 lb 74 99 kg 220 68 lb 100 1 kg Height 24 5 in 622 mm 29 5...

Page 4: ...URRED Caution Use the Liberator only as directed by your doctor Caution The unit contains liquid oxygen which is extremely cold almost 300 F 184 C Exposure to such a low temperature can cause severe f...

Page 5: ...unit which provides you with supplementary oxygen as prescribed by your physi cian This user manual contains the instructions for using the Liberator Refer to the user manual supplied with the portab...

Page 6: ...DOES NOT SEPARATE EASILY DO NOT USE FORCE THE UNITS MAY BE FROZEN TOGETHER LEAVE THE UNITS CONNECTED AND WAIT UNTIL THEY WARM UP THEN THEY WILL SEPARATE EASILY DO NOT TOUCH ANY FROSTED PARTS Caution S...

Page 7: ...Indicator lights up when the button is depressed inform your health care pro vider the next time your Liberator is filled Gen 4 Meter 5 Install the DISS extension 6 Either a Attach cannula to the DISS...

Page 8: ...g and empty as required 4 If the Portable runs low before the Liberator is fully defrosted you may refill it as needed Battery Care and Maintenance Depress button to display level If level is displaye...

Page 9: ...to time to relieve excess pressure especially soon after filling If hissing is persistent or abnormal this could indicate excess pressure being vented off or a leak in the system Contact service prov...

Page 10: ...be stored in the upright position and be well ventilated Do not allow the device to lie on its side Humidity up to 95 noncondensing Temperatures range from 40 F to 158 F 40 C to 70 C Operating temper...

Page 11: ...ovided in this manual Caution Portable and mobile radio frequency RF communications equipment can affect Medical Electrical Equipment Caution The Liberator Reservoir should not be used adjacent to or...

Page 12: ...r equipment which has been tested to specific test levels and over specific frequency ranges and been found compliant with regulations Table 3 Guidance and manufacturers declaration electromagnetic im...

Page 13: ...ned by an electromagnetic site surveya should be less than the compliance level in each frequency rangeb Interference may occur in the vicinity of equip ment marked with the following symbol Test freq...

Page 14: ...14 ENG PN MN234 G User Manual Liberator Notes...

Page 15: ...PN MN234 G User Manual 15 ENG Liberator Notes...

Page 16: ...5535 0989 Email medstar medstar com br CAIRE and CAIRE Inc are registered trademarks of CAIRE Inc Please visit our website below for a full listing of trademarks Trademarks www caireinc com corporate...

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