BMC RESmart User manual

Service Manual for RESmart AutoCPAP V1.0
RESmartTM AutoCPAP System
Service Manual
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Service Manual for RESmart AutoCPAP V1.0
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.
INPORTANT, 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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Service Manual for RESmart AutoCPAP V1.0
Table of Contents
Important ….......................................................................... 2
1. Introduction ..................................................................... 4
1.1 Intended Use ................................................................ 4
1.2 Implement ..................................................................... 4
2. Structure .......................................................................... 5
2.1 Outer Illumination......................................................... 5
2.2 Inner Construction ....................................................... 5
2.2 Spare Part ..................................................................... 5
3. Software ........................................................................... 6
3.1 Upgrade ........................................................................ 6
3.2 Hidden Function .......................................................... 7
4. Malfunction and Countermeasure ................................. 9
4.1 Malfunction Determination .......................................... 9
4.2 Error List and Information ......................................... 10
Appendices ......................................................................... 11
Appendix A .........................................................................11
Appendix B .........................................................................22
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Service Manual for RESmart AutoCPAP V1.0
1. Introduction
1.1 Intended Use
The RESmart Auto system is a CPAP (Continuous Positive Airway Pressure) device designed for the
treatment of adult Obstructive Sleep Apnea (OSA) only.
The RESmart Auto 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 device is not intended for life support.
This service manual is used to help service people maintenance RESmart™ AutoCPAP 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™ AutoCPAP 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
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Service Manual for RESmart AutoCPAP V1.0
2. Structure
2.1 Outer Illumination
Filter Cap
& Filter
AC Inlet
Communications
Connector
Medical
Product Note
(bottom)
2.2 Inner Construction
See appendix A
2.3 Spare Part
See appendix B
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Service Manual for RESmart AutoCPAP V1.0
3. Software
3.1 Instruction for Upgrading Device Software
1. Power off the RESmart CPAP/AutoCPAP 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 right Upgrade File (for example: version 1.28 for AutoCPAP is “Auto1.28-A.upd).
b) Select the right serial port, default is COM1.
3. Click “OK”, display as below:
Power on the CPAP/AutoCPAP 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:
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Service Manual for RESmart AutoCPAP V1.0
Click “Upgrade”to start. If success, the right version number will be displayed on CPAP/AutoCPAP
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 AutoCPAP software to 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, do not apply water tank. Enter maintenance menu, set
‘Ramp’=40, then press ‘Heated Humidifier’ button when ‘Init P’ appears. Thus the
humidifier is matched. When ‘OK’ appears on LCD, humidifier matching successes.
If cut the power supply after pressing ‘On/Off’ button when ‘Init P’ appears, then the humidifier is
dis-matched.
2. Reset
(Available on version 1.28 and later)
Enter maintenance menu, press ‘Ramp’ button for 5 seconds more, thus hidden date setting appears.
Set ‘YYYY/MM/DD’=’2097/07/01’, press ‘On/Off’ when ‘Hour’ setting, thus all device setting and
therapy record (not include use time and days) are reset.
If set ‘Minute’=’16’ during above procedure, then not only device setting and therapy record, but also
patient information are reset.
If set ‘Minute’=’26’ during above procedure, then not only device setting, therapy record and patient
information, but also use time and days are reset.
3. Pressure calibration
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Service Manual for RESmart AutoCPAP V1.0
(Available on version 1.70 and later)
please note that before you do pressure calibration, separate humidifier from machine.
Connect pressure meter to the gas outlet in the device, enter hidden date setting, set
‘YYYY/MM/DD’=’2098/08/18’, press ‘Ramp’ when ‘Hour’ setting, thus pressure calibration starts. The
device increases pressure to 20hPa(cmH2O), AD sampling data will appear on LCD. When LCD data
displaying is stable, if pressure meter value is not 20, press ‘+/-’ button to adjust the pressure output.
Until output pressure value is 20 and LCD displays stable, press ‘On/Off’ button to finish pressure
calibration.
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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
Error 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
digital pressure fault
Malfunction on main
board
Error1
machine at temperature below
o ℃ or digital pressure fault
Malfunction on main
board
Error14
over motor temperature inside
or motor temperature sensor
fault
Malfunction on motor or
Motor temperature sensor
Error15
motor temperature sensor
fault
Malfunction on motor
temperature sensor

4.2 Malfunction Determination

Service Manual for RESmart AutoCPAP V1.0
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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Service Manual for RESmart AutoCPAP V1.0
Fig. C – Power PCBA (front side) Fig. D – Wire connecting on power PCBA
Socketsfiguration
CN1
CN2
Fig. E – Power supply connecting
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Service Manual for RESmart AutoCPAP V1.0
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
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Service Manual for RESmart AutoCPAP V1.0
2. Humidifier
Fig. G – Humidifier PCBA (back side)
Fig. H – Power supply to humidifier
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Service Manual for RESmart AutoCPAP V1.0
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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Service Manual for RESmart AutoCPAP V1.0
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.
Orange Black
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).
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Service Manual for RESmart AutoCPAP V1.0
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.
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.
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Service Manual for RESmart AutoCPAP V1.0
16 Assembly the main board PCBA on fixing pole
and make sure the clip clamps power PCBA.
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.
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Service Manual for RESmart AutoCPAP V1.0
19
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).

Service Manual for RESmart AutoCPAP V1.0
3. Humidifier
S/N Assembly Figure
1 As per Fig. H, assembly the heater plane and
wire. Fix them by screw (3mm*8mm).
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.
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