CPAP Sleep Apnea Therapeutic Device OLV
Contents
1. Chamber 2 Connect one end of the flexible tubing to the water chamber outlet while the other end to the nasal mask inlet 3 Put the filter cap into the host inlet 4 Plug the power adapter into the socket not controlled by the wall switch 5 Start up the device and wait for more than 10 seconds to exclude the exhaust gas in the dead space of the host and pipes 6 Put on the mask to use the device A Place the device on a solid and flat surface near the place where it is easy to approach but not easy to fall off and is lower than the sleep position Ensure that the device inlet is not shaded by beddings curtains or other objects A Make sure that the air surrounding the device can flow freely so as to Zhengzhou Olive Electronic Technology Co Ltd 11 User Manual of CPAP OLV C02 facilitate the system to provide better gas to the user A Ensure that the device is far away from any heating or cooling equipment such as mandatory vent radiator and air conditioning etc A Do not place the device directly on a carpet fabrics or other flammable materials A Do not place the device in or on a container where the water may retain A Make sure that the drainage hole in the bottom of the device is not blocked A Take preventive measures to prevent the device from being damaged due to water A Do not start up the device before installing the water chamber A Do not move the device when there is water in the water cha2. User Manual of CPAP OLV C02 According to YY 0671 1 2009 standard the device at the maximum adjustable 1 3 2 3 and maximum of maximum dynamic pressure changes k JJ emH20 10 BPM 15 BPM 20 BPM mo 8 oss Maximum flow According to YY 0671 1 2009 standard the device at the maximum adjustable 1 3 2 3 and maximum of maximum flow is 165L min Notes The design of the device as a whole host and humidifier all test data were carried out under conditions with a humidifier 6 2 Waste Management Except for the device parts and packaging boxes designated specifically and used please folloe the following instruction Please dispose them according to relevant national laws and regulations or send them back to our company for disposal 6 3 Quality Assurance From the date of purchase with one year of host warranty Our company states not to undertake the losses caused due to user misuse abuse or accidents The damage of the device since the water enters into the device due to improper use should not be covered under warranty The host should not be apart without the permission of our company Otherwise it should be deemed as the user abandoning warranty The waste items or device should be disposed according to relevant local laws and regulations or sent back to our company for disposal 6 4 Packing List Host lt 1 water chamber lt 1 power adapter lt 1 filter cap lt 2 flexible tubing x1 instructions lt 1 back
3. 3 Warnings Cautions and Contraindications for more precautions of the humidifier 2 5 Warning Function 2 5 1 Power Outage Alarm In the booting and using process of the device in case of power outage the user may re inhale the exhaust air when the nas al mask is not removed Therefore if the power failure occurs in a booting state when in the norm al use of the system the system the system will provide an audible alarm by buzzer with a duration greater than or equal to 30 seconds During the alarm press the ON OFF button or turn on the device again and the alarm will stop After it is turned on again the system will enter the normal state Zhengzhou Olive Electronic Technology Co Ltd 8 User Manual of CPAP OLV C02 2 6 Interface 2 6 1 Main Interface and Sub interface The device has one main interface and five sub interfaces as shown in Fig 2 1 to 2 8 ParameterSetup CP4P Humidifierset 0 min Set emsettings 012 06 06 16 44 05 Fig 2 1 Main Interface 1 Fig 2 2 Main Interface 2 dut o NOFF ON 2012 06 06 min 16 44 05 Humidifier Exit Fig 2 7 Humidifier Setting Interface Zhengzhou Olive Electronic Technology Co Ltd 9 User Manual of CPAP OLV C02 2012 06 06 Lo 44 05 Eat Fig 2 8 System Setting Sub interface 2 6 2 Interface Small Icon There are following small icons on the interface Indicating that the humidifier has been booted and is heating Indicating the motor has been booted
4. and is running a ee Indicating that the Ramp has been booted 2 7 Flexible Tubing Nasal Mask Headgear A See 4 3 for the maintenance and cleaning of the flexible tubing nasal mask and headgear Incase of any damage to the flexible tubing nasal mask and headgear or the deadline is exceeded please replace them immediately 3 Device Operation 3 1 Device Inspection and Connection Method When connecting to the device inspect it according to the following sequence before using it 1 Inspect whether the power supply is damaged or it is possible to cause the power leakage 2 Inspect whether the filter cap has obvious dust and replace it immediately in case of any dust 3 In case of any damage to the flexible tubing nasal mask and headgear or the deadline is exceeded please repace them 4 If the water chamber cracks leaks or deforms please replace it Zhengzhou Olive Electronic Technology Co Ltd 10 User Manual of CPAP OLV C02 5 Inspect whether the power supply interface data interface or USB interface is blocked or shorted 6 Inspect whether there is a shuttle flying cap 7 Inspect whether the host is damaged The damage may cause the user inhaling the unfiltered gas 8 Inspect whether there are foreign objects in the water chamber Refer to the following figure for the connection method Power AC 100V 240V n0 60Hz 1 Push the water chamber into the host Please refer to 3 2 Use of Water
5. before booting 4 6 Device Maintenance Please contact with our company or the dealer authorized by our company 5 Common Problems Analysis and Troubleshooting Zhengzhou Olive Electronic Technology Co Ltd 14 Phenomenon Nothing displayed on the screen or it does not enter the main interface after it is turned on The device beeps after it is turned on The device fails to stop automatically after the nasal mask 1s removed Nose and throat are dry with irritation symptoms The nose turns cold Nose and throat are dry Eyes are irritated or dry Some redness or inflammation in the part contacting with the face and the nasal mask There is water in the nasal mask The device has a high pressure that has not been set or the pressure fluctuation is too great User Manual of CPAP OLV C02 Possible cause analysis The device power supply is not well connected The device power supply is not well connected The option of Auto on off is closed The room temperature is low Nose and throat are dry when breathing with an open mouth The nasal mask leaks or the size of the mask is not suitable The headgear is too tight The mask model is not suitable Allergic to the mask material The room temperature is too low resulting in the water condensation in the mask There is water drop or blocking in the pressure sampling tube Whether the pressure sampling tube is connected to the hos
6. cloth and then wipe the front panel and the surface of the outer shell 3 Dry the device Zhengzhou Olive Electronic Technology Co Ltd 13 User Manual of CPAP OLV C02 A Please avoid the liquid flowing into the device during cleaning 4 2 Water Chamber Cleaning and Maintenance 1 Disconnect the device power supply 2 Remove the water chamber 3 Empty the water in the water chamber 1f any 4 Clean the water chamber with detergent or neutral detergent 5 Clean it with clean water 6 Dry it Please clean it at least once per day 1f it is often used A In case of any cracking leaking deformation to the water chamber please replace the water chamber A Empty the water in the water chamber everyday to prevent the water chamber from breeding mold and bacteria 4 3 Flexible Tubing Cleaning and Maintenance 1 Disconnect the device power supply 2 Remove the water chamber and nasal mask from the flexible tubing 3 Put the flexible tubing in the detergent or neutral detergent to clean gently 4 Clean it with water 5 Dry it A Replace the tubing immediately if it is damaged 4 4 Nasal Mask Cleaning and Maintenance Please refer to the relevant nasal mask cleaning manual 4 5 Filter Cap Cleaning and Replacement Filter cap is an item used for a short time which should be one to two weeks A Please replace the filter cap if it is damaged A It is prohibited installing a wet filter cap into the host A The filter cap must be installed
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8. OWE cone Sleep Apnea Therapeutic Device OLV C02 User Manual Zhengzhou Olive Electronic Technology Co Ltd Dear Customer Thank you for using our sleep apnea Note therapeutic device OLV C02 CPAP Please read the Instructions which adopts the nasal continuous carefully before the use of the positive pressure therapy to treat or slow device respiratory related diseases We sincerely Please keep the Instructions for hope that the product will bring you health and happiness In case you have any suggestions or dissatisfaction please contact us at any time If you need further information please contact us and we may provide relevant information as the case may be future reference Please operate the device strictly in a ccordance with the Instructions Contents EB IMU O GUC HOM iiccisciesiacedecccnsssussivesesadacedsdcancccssuewenlusdeasseiesaddedssdsecaiweseweusudscaseeuyeedaccsedes ies 1 ra We eg By 80st ex or DEVICE prereset eI l LZ PATO IMC AIG CONN erni E dateieneceteatat ned tanet nice oateeiaee l 1 3 Warnings Cautions and Contraindications ccccccceececceceeeeeeeeeeeaeaseeeeseeeeeees l FESTEN S Syd E AE A E AE TE tea l E A DETO o EEE E E E E E EE 3 EAS COMLEA adica NONS a 4 1 4 Device Components and Descriptions essssssseeensssssseeeeressssssseerrressssssrerrees 5 LAT Device Compone NS eniai e n E A TE E E 5 1 42 Device Host COMPOS Onn aae e caste tases eee
9. ack to the device If it happens please disconnect the power and stop using it 1 3 3 Contraindications When evaluating relative risks and benefits of using the device clinicians should be aware that the pressure provided by the device may be up to 20cmH20 In case of a single fault the max pressure should be not more than 30cm H20 Studies have shown that some patients with the following circumstances may not be suitable for the therapy with the device Bullous lung disease Pneumothorax Pneumomediastinum Serious lack of effective circulating blood volume with shock The one in a coma or disturbance of consciousness and unable to cooperate with or accept the nasal mask treatment Lots of respiratory secretions and coughing weak breathing independently Pathological hypotension Pneumothorax when using nasal continuous positive airway pressure Be careful when making prescriptions for the following susceptible patients with the treatment by the sleep apnea therapeutic device cerebrospinal fluid CSF leakage cribriform plate malformation brain trauma history and or pneumothorax Chest 1989 96 1425 1426 Those with symptoms of sinusitis or otitis media should be not suitable to adopt the positive airway pressure treatment Patients with upper airway obstruction and alcoholics should be not suitable to adopt it In case of any questions about the treatment please contact your doctor Zhengzhou Olive Electronic Te
10. chnology Co Ltd 4 User Manual of CPAP OLV C02 1 4 Device Components and Descriptions 1 4 1 Device Components Filter cap Power cable Fig 1 1 Device Components 1 4 2 Device Host Composition Fig 1 2 Front Panel of Host Zhengzhou Olive Electronic Technology Co Ltd 5 User Manual of CPAP OLV C02 1 5 List of Terms Terms and abbreviations in the Instructions are as follows Term Abbreviation shuttle flying Able to be rotated clockwise or counterclockwise and be pressed ON OFF button Enable the device in a booting or standby state booting state The host motor works the humidifier works as set by the user The device turns to the state of providing fresh air for the user Standby state The host motor stops working If the humidifier is on turn it off 1 6 List of Symbols There are the following symbols on the device if A Br type BF type application part part A Class II double insulation Ao o e IPX1 Degree of Protection Against Ingress of Water p In line with the aste Electrical and Electronic a Equipment the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment MB o o The surface is hot Be careful Symbol AN Warnings cautions O OO O There is the following symbol in the Instructions Zhengzhou Olive Electronic Technology Co Ltd 6 User Manual of CPAP OLV C02 2 Features 2 1 Buttons 1 ON OFF button It
11. dry with a smooth flexible tubing and mask exhalation port before running In case of a bnormality of the device found when it runs disconnect the power immediately and empty the water in the humidifier and stop using it Thereafter you may contact with our company or the authorized dealer of our company to negotiate a solution When there is insufficient fresh air in the mask before the running of the device the air exhaled by the user after wearing the mask may be inhaled again It is not recomm ended to use the device together with oxygen so as to avoid causing a fire Do not use the device in the environment with flammable anesthetic mixture and oxygen or air or the nitrous oxide environment Do not come close to the source of toxic or harmful vapors when using the device Do not use the device when the room temperature is higher than 35 C If the dev ice is used at the room temperature higher than 35 C the air temperature may be higher than 41 C which will cause airway irritation or damage Do not operate the device in direct sunlight or the environment near a heating device Otherwise the air temperature output from the device will rise In case of the sleep apnea again please contact with healthcare professionals In case of any inexplainable changes found during the device operation unusual or harsh sound from the device or the enclosure damaged turn off the power immediately and empty the water in the humidifier and s
12. erent degrees of users apnea when in use and it runs continuously In order to provide the user with the air with suitable temperature and humidity avoid drying of user s nasal mucosa and increase user comfort the humidifier works with the host The start and ending of the humidifier is controlled by the host the principle of which is to make the air inhaled by the user heated and humidificated by heating the water in the humidifier 1 2 Applicable Scope OLVC02 is mainly suitable for OSAHS patient and is not suitable for children or the user who cannot safely use it physically sensorily or intellectually without assistance or supervision 1 3 Warnings Cautions and Contraindications 1 3 1 Warnings Warnings indicate that it may have potential injuries to the user or operator Note that there are more warnings and cautions in the Instructions and please read it carefully The Instructions is for reference The descriptions in it cannot be a substitute for professional medical guidance on the use of the device The operator shall completely read and understand the contents of the Instructions before using it The device is not suitable for life support All attachments of the device can only be recommended by Olive or related professionals The nasal mask cannot be used until the device is booted and operates Zhengzhou Olive Electronic Technology Co Ltd l User Manual of CPAP OLV C02 normally The device must be kept
13. ether the equipment connected or is not connected connection is correct correctly Inspect whether the flexible The nasal mask or flexible tubing leaks tubing leaks state and re set it state and re set it 6 Appendices 6 1 Technical Parameters Environmental Specifications Humidity 15 to 95 no 15 to 95 no condensation condensation Atmosphere pressure 77 to 101kPa Inapplicable Physical Specifications Zhengzhou Olive Electronic Technology Co Ltd 16 User Manual of CPAP OLV C02 255mm 170mm 112mm 1 8Kg MAX 200ml Parameter Scope Pressure 4cmH20 to 20cmH20 1cmH20 with the step of 0 5cmH20 EPR 0 level Close EPR I level setting pressure 2cmH20 2 level setting pressure 3cmH20 3 level setting pressure 4cmH20 Humidifier 0 gear close the humidifier l level 45 C 2 level 50 3 level 55 4 level 60 5 level 65 Back Light 30seconds 60seconds 90seconds 20seconds 1 50seconds 24 Oseconds 330seconds 420seconds 5 l1Oseconds 600seconds Electrical Specifications Power adapter Model DSS 240250 60VA Input 100 240V 50 60Hz Output 24V 2 5A Type of protection Against Electric shock ee pen Degree of Protection hop Against Ingress of Water lt 30dB when the device is working at the pressure of 10cmH20 Pressure accuracy According to YY 0671 1 2009 standard the maximum static pressure variations at 10cmH20 for 10 0 10 1 cmH20 Zhengzhou Olive Electronic Technology Co Ltd 17
14. le man Ce siiicsiesicceceloieicsstecventssdediacieeiecocuscsnsceriesteceusoeiscsistiesctdiatis 4 Host Cleamine and Mamtenanee iziecccititicbvivatininparaginee Darnton oareieeeetees 4 2 Water Chamber Cleaning and Maintenance cc ccccccccsssssssessseeseeeeeeeeeeeees 4 3 Flexible Tubing Cleaning and Maintenance ccccccccsssssssesssseeeeeeeeeeeeeees 4 4 Nasal Mask Cleaning and Maintenance ce cccccccccccceececeeeeeeesssesseeeeeeeeeeeeees AS Filter Cap Cleaning and Replacement onein esii E EEE LO DEVICE NAIL Main 6 2st se 2 iad N N 5 Common Problems Analysis and Troubleshooting ccscccccssssssssssssscccooees Os APO IICES oyidevvisccksscee caver cvatoteueceus Ges cesdauvi ARR 6 l Techical Parameters iasninicadeassavacisnvacacdvadviadensterassntontcceandedtusnlncadeasiccaiesstacndihawases 62 Waste Manace mentess rene a A R eee CoO OVINA SUIN E eearri iieri Ta TE E T 6A PACKIN LAS oa E E E E E E ees User Manual of CPAP OLV C02 1 Introduction 1 1 Purpose of Device The sleep apnea therapeutic device OLV C02 CPAP Continuous Positive Airway Pressure in our company is mainly used in the family and clinical treatment of obstructive sleep apnea hypopnea syndrome OSAHS Is to be used only on the instruction of a licensed health care professional This Device may provide different posit ive airway pressure It performs the therapy through the corresponding airway pressure set by professionals according to diff
15. may turn on or off the device and close alarms If the device is connected to the power the ON OFF button indicator will be on 2 Shuttle flying It can be rotated clockwise countercl ockwise or be pressed When it is rotated clockwise 1t may move to the next focus on the current interface or enlarge the parameter or come to the next parameter When it is rotated counterclockwise it may move to the previous focus on the current interface or diminish the parameter or come to the previous parameter Press the shuttle flying it may perform the functions indicated by the current focus or enter edit the interface control A Do not remove the shuttle cap The metal rod in the shuttle may contact the external current resulting in the damage of the host If the shuttle cap falls off you may contact the dealer or us to purchase a new shuttle cap A Incase of the button failure you may contact the dealer or us to consult for a solution A After the screen back light is turned off press any button to activate the screen backlight Such a press on the button will not cause any operation 2 2 Display Screen A LCD display screen is adopted in the device to mainly show current device parameters and states to the user and operator Please refer to Chapter 3 Device Operation for more interface operation A If the display does not work normally please contact us or the dealer for repair 2 3 Power Adapter and Power I nterface Manufacturers Cus
16. mber to prevent the water splashing into the host or flexible tubing 3 2 Use of Humidifier 3 2 1 Installation 1 Refer to 4 2 Water Cham ber Cleaning and Maintenance before use for cleaning the water chamber 2 Use a funnel to add distilled or pure water in the water chamber in case the humidification 1s required A It is recommended adding suitable warm water in the winter The water temperature should not exceed 35 C A The water added should not exceed the maximum water level A Please turn off the humidifier if the water runs out when the humidifier runs or stop operating and add the water again Do not add water when the humidifier in a dry heating condition Please add the water when the humidifier cools down to the room temperature A Be careful to not splash the water in the host when adding water 3 It is recommended to directly push the water chamber into the host with the host facing up A Please push in the water chamber completely so as to meet the host outlet A Do not touch the heater plate A Do not tilt the water chamber 3 2 2 Un installation Zhengzhou Olive Electronic Technology Co Ltd 12 User Manual of CPAP OLV C02 Refer to Clause 3 of 3 2 1 Pushing Method to take out the water chamber 3 3 Enabling Disabling Device Press the on off button to start up the device after properly installing the device Press the on off button to turn off the device in the operation A Please refer to 3 1 and 3 2 before star
17. pack x1 nasal mask x1 Zhengzhou Olive Electronic Technology Co Ltd 18
18. sing the device If the device is exposed at a too high or too low temperature previously make it return to the room temperature operating temperature before therapy Do not operate the device OLV the range of non operating temperature Do not immerse the device in any liquid or allow any liquid to enter the enclosure or the filter cap at the inlet Do not place the device in or above a container where the water may retain The condensation water may damage the device Be sure to enable the device to reach the room temperature before use The normal operation should require a properly installed and undamaged air inlet filter cap The smoke generated by smoking will make the targathering on the outer shell resulting in the failure of the device If the liquid splashes on the heater plate disconnect the power and then use it again after the device is drained and dried Take preventive measures to avoid device damages due to water Zhengzhou Olive Electronic Technology Co Ltd 3 User Manual of CPAP OLV C02 Only distilled or pure water can be used in the water chamber Other liquid may damage the humidifier and device and even endanger the user Do not exceed the maximum water level marked in the water chamber when adding water into the water chamber Do not splash the water in the device chamber when ins talling the water chamber in the device Do not tilt the device so as to prevent the water in the water chamber from flowing b
19. t Troubleshooting Disconnect the device power plugs and re connect the power supply correctly Disconnect the device power plugs and re connect the power supply correctly Set the option of Auto on off as On Increase the temperature of the humidifier or consult the doctor Increase the room temperature Possibly the pressure set in the device is insufficient Please consult the doctor Adjust the position of the nasal mask and the tightness of the headgear consult the doctor whether it needs to be replaced Please replace the nasal mask promptly when it is aging try other models of nasal masks Adjust the headgear appropriately Consult the doctor Consult the doctor Reduce the temperature of the humidifier or increase the room temperature Pack the flexible tubing with a towel or similar heat preservation soft cloth Completely dry or exclude the pressure sampling tube blocking Inspect whether the connection is correct The nose para nasal sinus or Inflammation Stop using and consult the ear hurts doctor OSAHS recurrence e g excessive daytime sleepiness The temperature of the air inhaled is too high The treatment pressure that you require may be changed due to your weight nasal obstruction drinking or other reasons The filter cap is too dirty and the inlet is blocked The device is too close to the wall curtain or other objects resulting in the non smoothness of the air flo
20. ting up the device A Please disconnect the power from the socket when turning off the device A Turn off the device uninstall the water chamber and empty the water in the water chamber 3 4 Parameter Settings Refer to 2 6 1 you may find the position of the parameter that you need to set and then modify it E g Modifying pressure 4cm H20 as 5cm H20 if you are on the main interface currently the focus should be on the icon of the parameter settings Press the shuttle flying gt rotate the shuttle clockwise once gt press the shuttle flying gt rotate the shuttle clockwise once the clockwise rotation increases pressure while the counterclockwise decreases pressure You may set the max as 20cmH20 while the min as 4cmH O with the increase step as 0 5 c mH20 gt press the shuttle flying save and exit parameter settings E g Setting the time 09 37 15 as 09 37 20 if you are on the main interface currently the focus should be on the icon of the relevant parameter setting of the system Press the shuttle flying gt rotate the shuttle counterclockwise once gt press the shuttle flying gt rotate the shuttle clockwise twice gt press the shuttle flying into edit mode gt rotate the shuttle clockwise for five times gt press the shuttle flying and exit the edit mode 4 Cleaning and Maintenance 4 1 Host Cleaning and Maintenance 1 Disconnect the device power supply 2 Use clean water or neutral detergent to soak a
21. tom Interface 1 The power adapter is mainly to transfer the external power electric supply into the voltage and current required for the operation of the device A Please use the power safely at the power connection part A Please adopt an appropriate power adapter socket when using the device in Zhengzhou Olive Electronic Technology Co Ltd 7 User Manual of CPAP OLV C02 other countries Do not block the power connector or splash any liquid shorten the circuit and touch the power connector A Please unplug the power from the external power connector and the device power connector and put it in a safe place when the device is not used A When the power is connected to the external electric supply do not touch the power outlet or make the power outlet contact with or placed in any metal liquid flammable gases or other items that may cause danger Please connect it to the power connector when using the device and disconnect the device when not using it 2 The m anufacturers custom interface is mainly the one the manufacturer use to maintain the device Do not block short the circuit or splash the liquid 2 4 Humidifier Function A The humidifier is mainly to provide the user with the air with a suitable temperature and humidity by heating the water in the water chamber If you don t need the humidification function you may turn off the humidifier Please refer to 3 4 for how to turn on and off the humidifier A See 1
22. top using it Thereafter you may contact with the authorized dealer of our company to negotiate a solution Repairs and adjustments must be performed by our company or the maintenance personnel authorized by our company The unauthorized repairs and maintenance may lead to injury voidness of warranty or significant economic losses Zhengzhou Olive Electronic Technology Co Ltd 2 User Manual of CPAP OLV C02 Regularly check whether wires or cables are damaged or worn In case of any damage please stop using and replace it Disconnect the power plug before cleaning the device to avoid electric shock Do not immerse the device in any liquid Place the host in a position lower than the user mask when using the device to prevent the water condensed in the flexible tubing from possibly flowing into the user nasal cavity resulting in user suffocation If the humidifier leaks or 1s damaged do not use the device It cannot be continued to use until the replacement of the damaged part Do not contact the heater plate until the device power is turned off and the heater plate cools down Do not add the water above 35 C in the water chamber Do not splash the water in the device when installing the water chamber in the host 1 3 2 Cautions Cautions indicate it may damage the device Note that there are more warnings and cautions in the Instructions Please read it carefully Please boot the device and then put on the mask before u
23. w Consult the doctor Replace the filter cap Inspect the inlet Move the device to a place with a smooth air flow at least 20cm from the wall curtain or other objects Zhengzhou Olive Electronic Technology Co Ltd 15 User Manual of CPAP OLV C02 No gas output Device fault Contact with the maintenance Water entering into the service center of our company pressure sampling tube Dry the pressure sampling tube small The inlet is blocked Inspect the inlet The fan is often in a state with The pressure is disconnected Inspect the pressure sampling very high rotation speed resulting in blocking tube The device leaks Contact with the maintenance service center of our company The device does not run after The device has failure Contact with the maintenance booting service center of our company Although the motor runs the The flexible tubing leaks Inspect whether the connection nasal mask pressure and the The pressure sampling tube is is correct and reliable pressure set are obviously connected incorrectly or Contact with the maintenance inconsistent blocked service center of our company The device can only generate The filter cap or the inlet is Replace the filter cap clean low pressure blocked the inlet The treatment pressure has Contact with the attending been re adjusted doctor The Ramp is set If necessary you may cancel the Ramp or reset the Ramp time The device is too noisy The flexible tubing is not Inspect wh
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