BMC RESmart Auto CPAP User manual

RESmart®Auto CPAP System
Service Manual

Service Manual for RESmart®Auto CPAP V1.1
Table of Contents
1. Introduction............................................................................................................................................................ 1
1.1 Intended Use.................................................................................................................................................. 1
I.2 Implement....................................................................................................................................................... 1
2. Structure................................................................................................................................................................. 1
2.1 Outer Illumination ......................................................................................................................................... 1
2.2 Inner Construction ......................................................................................................................................... 2
2.3 Spare Part....................................................................................................................................................... 2
3. Software................................................................................................................................................................. 2
3.1 Instruction for Upgrading Device Software................................................................................................... 2
3.2 Hidden Function ............................................................................................................................................ 3
4. Malfunction and Countermeasure...................................................................................................................... 4
4.1 Error Code Table and Information................................................................................................................. 4
4.2 Malfunction Determination............................................................................................................................ 5
Appendices................................................................................................................................................................ 6
Appendix A: ........................................................................................................................................................ 6
Device Configuration................................................................................................................................6
1. Main device ..................................................................................................................................... 6
2. Humidifier........................................................................................................................................ 8
Components Illumination ....................................................................................................................... 10
1. Device Inside ................................................................................................................................. 10
2. Device Outside............................................................................................................................... 12
3. Humidifier...................................................................................................................................... 12
Appendix B:....................................................................................................................................................... 13
Spare Part Configuration ....................................................................................................................... 13
Spare Part List......................................................................................................................................................... 15

Service Manual for RESmart®Auto CPAP V1.1
IMPORTANT
All data in this manual have been verified correctly. It is sufficient for servicing and repairing
this device. If applying this manual on other purpose, the validation should be confirmed by
BMC Medical Co. Other wise, BMC Medical Co. has no responsibility for the result. All
information in this manual is protected by law and regulation. All copyrights are belongs to
BMC Medical Co.
IMPORTANT, CAUTION AND WARNING in this manual are to emphasize dangers to service people.
WARNING: If do not operate properly, may cause damage to people and environment.
CAUTION: If do not operate properly, may cause damage to instrument.
IMPORTANT: Important information for servicing and repairing.
Safety Notice
Electric Shock
There is above 100VAC voltage inside this device, please be sure to repair device after power off.
Chemical Safety
There may be risk of virus after touching by patient. Please clean device or wear protective glove
before servicing and repairing. Please deal with the waste according to regulation. Wash hands by
disinfector after operating this device.

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1. Introduction
1.1 Intended Use
The RESmart®Auto CPAP system is a CPAP (Continuous Positive Airway Pressure) device
designed for the treatment of adult Obstructive Sleep Apnea (OSA) only.
The RESmart®Auto CPAP is to be used only on the instruction of a licensed health care professional.
Your home care provider will make the correct pressure settings according to your health care
professional’s prescription.
This service manual is used to help service people maintenance RESmart®Auto CPAP system of
BMC Medical Co. more efficiently. Instructions in this manual may help device work best.
Engineer can find needed instruction from this manual quickly.
IMPORTANT!
Read and understand instruction in this manual before operating.
IMPORTANT!
RESmart®Auto CPAP system can not be used for life support.
I.2 Implement
1. Implement for repairing
Type ‘+’ screw driver
Pincers
2. Implement for measuring
Pressure meter
2. Structure
2.1 Outer Illumination
Display Screen
Handle
User Buttons
Humidifier Controller
Air Outlet
Humidifier Power
Medical Product Note (bottom)
AC Inlet
Communication Connector
Filter Cap & Filters

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2.2 Inner Construction
See appendix A
2.3 Spare Part
See appendix B
3. Software
3.1 Instruction for Upgrading Device Software
Note: Once the RESmart®Auto CPAP/CPAP device is powered on, the LED display screen will show
the software version of the device as the following picture. Please remember the software version in
the red frame.
1. Power off the RESmart®Auto CPAP device, then connect PC and the device via data cable.
2. Run the software “BMC RESmart®Tools for Upgrade”from PC and display as below:
a) Select the upgrade file which has same suffix letter as the machine version. (For example V
ersion 1.88-EN should choose file name 1.98-EN)
b) Select the right serial port, default is COM1.
3. Click “OK”, display as below:
Indicator
Li
g
ht
Water Chamber
Fill Line
Outlet Port

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Power on the RESmart®Auto CPAP device. If the device is power on from beginning, please power
off the device and turn on again after 5 seconds more.
4. After the device is turned on, the following will display:
Click “Upgrade”to start. If success, the right version number will be displayed on RESmart®Auto
CPAP device screen when every power on.
Note: If failed during upgrading, please repeat from above 1-4 steps.
If “Error 08”displayed after software upgrading, it means unmatched software used (for example:
apply RESmart®Auto CPAP software to RESmart® CPAP device). In this case, apply correct software
and upgrade again.
3.2 Hidden Function
1. Humidifier matching and dis-matching (Available on version 1.19 and later)
Assemble humidifier on main device, without water chamber. Enter the maintenance menu, and set
Ramp=40, then press Heated Humidifier Button when the Init P appears. Thus the humidifier is
matched. When ‘OK’ appears on screen, humidifier matching succeeded.
If cut the power supply after pressing ‘Pressure Start/Stop Button’ when the humidifier is matching,
the humidifier will be dis-matched.
2. Reset (Available on version 1.28 and later)
Press and hold the Ramp Button until the user menu appears (about 3 seconds) when the device is
on standby, press +/- User Buttons to access the Date Setting, set ‘YYYY/MM/DD’=’2097/07/01’,
then press ‘Pressure Start/Stop Button’ when ‘Hour’ setting appears, thus all device settings and
therapy records (doesn’t include Use Days and Use Time) will be reset.
If set ‘Minute’=’16’ during the above procedure, then not only device settings and therapy records,
but also patient information will be reset.
If set ‘Minute’=’26’ during the above procedure, then not only device settings, therapy records and
patient information, but also Use Days and Use Time will be reset.
3. Pressure calibration (Available on version 1.58 and later)
Connect pressure meter to the air outlet of the device, in the Date and Time Setting menu, set

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‘YYYY/MM/DD’=’2098/08/18’, press ‘Pressure Start/Stop Button’ when Hour Setting appears to start
the Pressure Calibration. The device output pressure is based on 20 hPa (cmH2O), and a number will
appear on the screen, when the output pressure is stable, if the value on the pressure meter is not 20
hPa (cmH2O), press ‘+/-’ User Buttons to adjust the output pressure, finally press ‘Pressure
Start/Stop Button’ to finish the Pressure Calibration.
4. Malfunction and Countermeasure
4.1 Error Code Table and Information
Error
Index Problem Causing
Error1 Over temperature inside or Temperature sensor
fault Malfunction on main board
Error2 Motor stop Malfunction on motor or main board
Error3 Motor low speed Malfunction on motor or main board
Error4 Low temperature inside Malfunction on main board
Error7 Pressure sensor fault Malfunction on main board
Error8 Wrong software version Software
Error9 Host parameter error Malfunction on main board
Error12 Over temperature inside or flowrate sensor fault Malfunction on main board
Error13 Temperature below 0 or℃flowrate sensor fault Malfunction on main board
Error14 The motor is over temperature or motor
temperature sensor fault Malfunction on motor or Motor temperature sensor
Error15 Motor temperature sensor fault Malfunction on motor temperature
sensor

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4.2 Malfunction Determination

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Appendices
Appendix A:
Device Configuration
1. Main device
Fig. A - Main board (backside) Fig. B – Outlet (leftside)
Hole #1, 2 and 3 in Fig. B, connect to sensor YL and LL via silicon rubber canal. Specified in Table 1:
Fig. B Fig. A Specification of canal
1 Hole #1 on sensor YL φ2mm, Φ4mm, L12cm
2 Hole #2 on sensor LL φ2mm, Φ4mm, L12cm
3 Hole #1 on sensor LL φ2mm, Φ4mm, L8cm
Table 1

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Fig. C – Power PCBA (front side) Sockets figuration
Fig. D – Wire connecting on power PCBA
Fig. E – Power supply connecting

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Fig. F – Power supply to humidifier
Connecting relationship:
Part
Fig. 1 2 3 4
D Back of device Fig. C: CN1
E Fig. C: CN2 Fig. A: P24 Fig. F: Left Fig. F: Right
Blower 8-pin plug Fig. A: PM
Table 2
2. Humidifier
Fig. G – Humidifier PCBA (back side)

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Fig. H – Power supply to humidifier
Left Right
Orange
Black
Fig. I – Heater PCBA
Connecting relationship:
Part
Fig. 1 2 3 4
I Fig. G: P2 Fig. G: P1 Fig. H: Left Fig. H: Right
Table 3

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Components Illumination
1. Device Inside
S/N Assembly Figure
1 Insert humidifier locker on the shield bottom.
2 Insert humidifier power supply reed on the
shield bottom as per Fig. E and F.
3 Assembly the humidifier locker and button
spring.
4 Put fixing on the spring and fix by screw (2×
3mm*8mm).
5 Put power wire.
6 Assembly the shield back on the bottom, fix by
screw (2×3mm*8mm).
7 Assembly foam (bottom) into shield bottom.
8 Assembly AC power socket on the shield back
(character face up).
9 Clean up the wire.
10 Assembly power PCBA in the socket and
connect all plugs. Clean up the wire.
11 Connect outlet to blower connector, fix by clip.

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12 Connect blower to connector and fix by clip. Put
the integrated one in the right place.
13 Covered by foam cover and clean up wires.
14 Assembly fixing clip on the main board PCBA.
15 Plug the 8-pin plug of blower in the socket PM
plug #2 as in Fig. E in the socket P24 on the
main board PCBA.
16 Assembly the main board PCBA on fixing pole
and make sure the clip clamps power PCBA.
17
1. As per Table 1, connect sensor YL to outlet
by silicon rubber canal.
2. Connect sensor LL to outlet by silicon rubber
canal.

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2. Device Outside
S/N Assembly Figure
18 Put handle in the socket on shield cover.
19 Assembly handle fixing to handle and fix by
screw (4×3mm*8mm).
20 Assembly the infrared window.
21 Assembly and fix the panel.
23 Put on the key button.
24 Assembly shield cover on the bottom, adjust
the position of outlet and make sure it is
clamped in the right socket.
25 Fix the shield by screws (4×M3*10mm).
26 Stick four device pads.
27 Put in filter and assembly the cover.
28 Put on all plugs if necessary (without
humidifier).
3. Humidifier
S/N Assembly Figure
1 As per Fig. H, assembly the heater plane and
wire. Fix them by screw (3mm*8mm).

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2 Put spring on each of three poles on heater
plane.
3 Assembly the scaleboard on the heater plane
and fix by screw (3mm*8mm). Scaleboard
4 As per Table 3, assembly heater PCBA and
wires.
5 Put the humidifier inner connector on the
shield.
6 Put on light window.
7 Assembly the inner and outer shield.
8 Fix on screw (M3*10mm).
Appendix B:
Spare Part Configuration
S/N Name Qty Figure
1 Shield Cover 1
2 Handle 1
3 Handle Fixing 2
4 Shield Bottom 1

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5 Humidifier Clip 1
6 Humidifier Locker 1
7 Humidifier Fixing 1
8 Filter Cover 1
9 Shield Back 1
10 Outlet 1
11 PCBA Fixing 2
12 Infrared Window 2
13 Panel 1
14 Humidifier Outer Shield 1
15 Humidifier Inner Shield 1
16 Light Window 1

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17 Pole Platelet 1
18 Humidifier Power Plug 1
19 Humidifier Plug (left-up) 1
20 Humidifier Plug
(left-down) 1
21 Humidifier Plug
(right-up) 1
22 Humidifier Plug
(right-down) 1
23 Device Pad 6
24 Blower Connector 1
25 Humidifier Inner
Connector 1
26 Key Button 1
27 Humidifier Scaleboard 1
28 Heater Plane Spring 3
29 Button Spring 1
Spare Part List
Part Name S/N Qty Unit Classify Use
Main Board PCBA 140008 1 PC PCBA Main Device
Heater PCBA 140009 1 PC PCBA Humidifier
Power Supply PCBA 270003 1 PC PCBA Main Device
Blower 1220CP0A11130 1 PC Assembly Main Device

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Heater Plane 230006 1 Set Assembly Humidifier
Power Supply PCBA Wire 120002 1 Set Wire Main Device
Main Board PCBA Wire 120003 1 Set Wire Main Device
Silicon Rubber Canal 290001 1 PC Assembly Main Device
Foam (bottom) 240001 1 PC Foam Main Device
Foam (cover) 240002 1 PC Foam Main Device
Shied Cover 210029 1 PC Plastic Main Device
Handle 210030 1 PC Plastic Main Device
Handle Fixing 210011 2 PC Plastic Main Device
Shield Bottom 210031 1 PC Plastic Main Device
Humidifier Clip 210004 1 PC Plastic Main Device
Humidifier Locker 210012 1 PC Plastic Main Device
Humidifier Fixing 210013 1 PC Plastic Main Device
Filter Cover 210005 1 PC Plastic Main Device
Shield Back 210006 1 PC Plastic Main Device
Outlet 210007 1 Set Plastic Main Device
PCBA Fixing 210014 2 PC Plastic Main Device
Infrared Window 210010 2 PC Plastic Main Device
Panel 210036 1 PC Plastic Main Device
Power Supply PCBA Fixing 210015 1 PC Plastic Main Device
Humidifier Outer Shield 210038 1 PC Plastic Humidifier
Humidifier Inner Shield 210039 1 PC Plastic Humidifier
Pole Platelet 210025 1 PC Plastic Humidifier
Light Window 210023 1 PC Plastic Humidifier
Button Spring 230001 1 PC Metal Main Device
Humidifier Scale Board 230004 1 PC Metal Humidifier
Heater Plane Spring 230005 3 PC Metal Humidifier
Humidifier Power Plug 220004 1 PC Rubber Main Device
Humidifier Plug (left-up) 220005 1 PC Rubber Main Device
Humidifier Plug (left-down) 220006 1 PC Rubber Main Device
Humidifier Plug (right-up) 220007 1 PC Rubber Main Device
Humidifier Plug (right-down) 220008 1 PC Rubber Main Device
Device Pad 220001 6 PC Rubber All
Key Button 220002 1 PC Rubber Main Device
Blower Connector 220003 1 PC Rubber Main Device
Humidifier Inner Connector 220009 1 PC Rubber Humidifier
Screw-1 8 PC Screw All
Screw-2 9 PC Screw All
Sunk Screw 4 PC Screw Main Device
Power Cord 110009 1 PC Accessory All