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Yuwell YH-550 User Manual Download Page 13

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15.1  General troubleshooting：

Trouble 

Cause 

Solution 

Air is leaking from 
around my mask.

Mask may be fitted incorrectly.

Ensure your mask is fitted correctly. 
See your mask user guide to check 
your mask fit and seal.

I am getting a dry or 
blocked nose.

Humidity level may set too low.

Adjust the humidity level.

I am getting droplets of 
water on my nose, in 
the mask and air tube.

Humidity level may be set too 
high.

Adjust the humidity level.

My mouth is very dry 
and uncomfortable.

Air may be escape from your 
mouth.

Increase the humidity level.
You may need a chin strap to keep your 
mouth closed or a full face mask.

Air pressure in my 
mask seems too 
high (it feels like I am 
getting too much air).

Ramp may be turned off.

Enable your ramp option.

Air pressure in my 
mask seems too low 
(it feels like I am not 
getting enough air).

Ramp may be in progress.

Start your therapy after the setting 
pressure reached or turn ramp time off.

My screen is black.

After therapy start, the screen 
backlight went off;
In other case, the power do not 
connect firmly.

Press dial to turn on the screen light;
Check the connection of power, ensure 
it connect with device firmly.

My water tank is 
leaking.

Water tank assemble 
incorrectly or it is broken.

Check the water assemble correctly;
Contact your provider if your water tank 
is broken.

 

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15.2  Other trouble：

Message in LCD

Meaning of error

Solution 

ERROR 1

There is a mistake of pressure 
sensor

Please contact your provider

ERROR 2

There is a mistake of flow sensor 

Please contact your provider

ERROR 3

There is a mistake of temperature 
sensor

Please contact your provider

ERROR 5

There is a parameter exceed in 
parameter range

Please restart the device or contact 
your provider

ERROR 6

The pressure is exceed in pressure 
range

Please restart the device or contact 
your provider

ERROR 7

It is failed to supply power to the 
humidifier

Please contact your provider

ERROR 8

There is a mistake of blower

Please restart the device or contact 
your provider

ERROR 9

There is a mistake of RTC（loss 
power）

Please adjust the time of the device 
or contact your provider

Summary of Contents for YH-550

Page 1: ...hnology Co Ltd Add of manufacturer No 9 Jinfeng Road Suzhou Science Technology Town 215163 Suzhou Jiangsu PRC TEL 86 0512 67373001 Web address www yuyue com cn Shanghai International Holding Corp GmbH Europe Eiffestrasse 80 20537 Hamburg Germany IFU V 09 version 01 Prepared date 2019 10 1030400 0A Paper ...

Page 2: ...19 14 Traveling 20 15 Trouble shooting 20 16 Specified of technology 23 17 Symbols 27 18 Limited warranty 28 19 Repairing 29 20 List of cables 29 21 Technical description 29 22 Warranty card 34 Content Welcome The YH 550 is YUWELL s auto adjusting pressure device The YH 350 is YUWELL s continuous positive airway pressure CPAP device Warning Read this entire guide before using the device Caution In...

Page 3: ...angulation y y If you notice any unexplained change in the performance of the device if it is making unusual sounds if the device or the power supply are dropped or mishandled or if the enclosure is broken discontinue use and power off the equipment then contact your provider or YUWELL Service Center y y Do not place the device where it can be bumped or where someone is likely to trip over the pow...

Page 4: ...ies with device Non YUWELL parts may reduce effectiveness of the treatment and or damage the device y y Use only vented masks recommended by YUWELL or by your doctor with this device Fitting the mask without the device blowing air can result in rebreathing of exhaled air Make sure that the mask vent holes are kept clear and unblocked to maintain the flow of the fresh air into the mask y y Do not u...

Page 5: ...ter tank 1 Air filter 2 Air tube 1 SD card 1 Power adapter and Cable as part of the main device 1 User manual 1 Bag 1 7 Picture and explanation for product Air outlet Dial START STOP button Interface silicone cover Air filter Indicator light the colour is blue and it will light with the backlight of LCD lighting Screen Movable cover component Knob cover component Air outlet of main device to water...

Page 6: ...ifficult to operate the disconnection device The following section will help you install your device by yourself 1 2 1 Place the device on a stable level surface Rotate the knob cover component from the to 2 Pull the knob cover component out 3 4 3 Press the water tank gently and pull it away from the device 4 Open the movable cover component 5 6 5 Fill the distilled water into the water tank pleas...

Page 7: ... the device is delivering gas pressure the heating plate is heating including the situations that the screen shows Large Leakage and the backlight of the screen is off When the level of the humidity is 0 the heat plate is not heating Also if the device is not delivering gas pressure the heat plate will not heat either Ramp 15 Humidity 6 APAP 6 0 15 0 6 0 Pressure Picture 1 therapy f f 10 2 Stop th...

Page 8: ...urn up the humidity If you are getting any moisture in your mask turn down the humidity You can set Humidity level between 0 to 6 where 0 means this function is disabled 1 is the lowest humidity setting and 6 is the highest humidity setting The temperature of each level on the heater plate is as following accuracy is 4 0 OFF 1 33 2 35 3 40 4 45 5 50 6 55 This temperature has been tested with empty...

Page 9: ...our change y y Highlight the Back press dial to back to home page Set Pressure y y At clinical page choose CPAP mode Highlight Initial Pressure or Therapy Pressure press and rotate dial to set suitable value y y You can rotate the dial to the right or to the left to rise or decrease therapy pressure each step is 0 5 cmH2O hPa y y After setting therapy pressure press dial to save your change y y Hi...

Page 10: ...4 0 4 0 Initial Pressure Picture 6 1 Clinical menu CPAP Picture 6 2 Clinical menu APAP 12 Caring for your device It is important that you regularly clean your device to make sure you receive optimal therapy The following sections will help you with disassembling cleaning checking reassembling your device f f 12 1 Disassembling 1 2 1 Pull the power connector out of device 2 Hold the cuff of the air...

Page 11: ... tank and air tube thoroughly and allow to dry out of direct sunlight and or heat Temperature should not exceed 40 Warning It is generally not necessary to sterilize your water tank if you are following the cleaning method When the water tank is contaminated it can be disinfected by immersing the water tank in a water which temperature is 75 2 for 30 minutes f f 12 3 Checking You should check powe...

Page 12: ... tube firmly onto the assembled mask 13 Therapy data BreathCare PAP records your therapy data for you and your care provider so they can view and make changes to your therapy if required The data is recorded and then transferred to your care provider via a SD card 1 Open the silica gel stopper at the left side of the device 2 Push the SD card into the SD card connector 3 Remove the SD card from th...

Page 13: ...ack After therapy start the screen backlight went off In other case the power do not connect firmly Press dial to turn on the screen light Check the connection of power ensure it connect with device firmly My water tank is leaking Water tank assemble incorrectly or it is broken Check the water assemble correctly Contact your provider if your water tank is broken f f 15 2 Other trouble Message in L...

Page 14: ...evel Sound pressure level measured according to ISO 80601 2 70 2015 CPAP mode BreathCare PAP 32dB A Sound power level Sound power level measured according to ISO 80601 2 70 2015 CPAP mode BreathCare PAP 40dB A Physical properties Dimensions length width height 272 5mm 181mm 93mm or 10 73 7 13 3 7 Weight About 1419 g Air tube Plastic hose about 1 8m Maximum volume of water tank 260 10 mL Materials ...

Page 15: ...ormance Humidification system output 12mg L Relative humidity 50 Humidification system Pressure drop ISO 5367 2014 Flowrate L min Pressure drop cmH2O 30 0 18 60 0 6 90 1 2 Gas leakage at the maximum operating pressure ISO 5367 2014 2 L min Displayed values Value Range Display resolution Pressure measurement Mask pressure 4 20 cmH2O 0 1 cmH2O Value Accuracy Pressure measurement Mask pressure 2 of t...

Page 16: ...ean Authorized Representative Environmental information EU directive 2012 19 EE Waste Electrical and Electronic Equipment WEEE Protected against finger sized objects and against dripping water on the surface of the device f f 17 2 Disposal statement Warning Please contact local authorities your provider or YUWELL to determine the proper method of disposal of this device 18 Limited warranty YUWELL ...

Page 17: ...issions CISPR 11 Class B Harmonic emissions IEC 61000 3 2 Class A Voltage fluctuations flicker emissions IEC61000 3 3 Complies f f 21 2 Compliance information for Immunity test Immunity test Compliance level Electrostatic discharge ESD IEC61000 4 2 8kV contact 15kV air Electrical fast transient burst IEC61000 4 4 2kV for power supply lines Surge IEC61000 4 5 1kV differential mode Voltage dips shor...

Page 18: ...m The 1 m test distance is permitted by IEC 61000 4 3 a For some services only the uplink frequencies are included b The carrier shall be modulated using a 50 duty cycle square wave signal c As an alternative to FM modulation 50 pulse modulation at 18 Hz may be used because while it does not represent actual modulation it would be worst case f f 21 3 Precautions According to IEC60601 1 2 2014 Brea...

Page 19: ...ice organizations that have not been expressly authorized by Yuwell to perform such repairs Any damage caused as accident act of god or human factor Product which is not involved in quality warranty sheet User sign Date Contact Department User Add Diagnose Tel BreathCare PAP Warranty Card Model SN Invoice number Purchasing date Dealer Feedback Couplet 22 Warranty card ...

Page 20: ... damage caused as a result of improper use abuse modification or alteration of the product Repairs carried out by any service organizations that have not been expressly authorized by Yuwell to perform such repairs Any damage caused as accident act of god or human factor Product which is not involved in quality warranty sheet User sign Date Customer Couplet ...

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