BMC RESmart BPAP User manual

RESmart®BPAP System
Service Manual

Service Manual for RESmart®BPAP 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····························································································································13
3. Humidifier···································································································································14
Appendix B:····················································································································································15
Spare Part Configuration·····················································································································15
Spare Part List······················································································································································17

Service Manual for RESmart®BPAP 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., Ltd. Other wise, BMC Medical Co., Ltd. has no responsibility for the result.
All information in this manual is protected by law and regulation. All copyrights belong to
BMC Medical Co., Ltd.
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®BPAP system is a BIPAP (Bi-level Positive Airway Pressure) device. It is intended to
provide non-invasive ventilation for patients with respiratory insufficiency or obstructive sleep apnoea
(OSA), in the hospital or home.
The RESmart®BPAP 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®BPAP system of BMC
Medical Co., Ltd. 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®BPAP 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

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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®BPAP 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®BPAP device, and then connect PC and the device via data cable.
2. Run the software “BMC RESmart®Tools for Upgrade” from PC and display as below:
Medical Product Note (bottom)
AC Inlet
Communication Connector
Filter Cap & Filter
Indicator
Li
g
ht
Water Chamber
Fill Line
Outlet Port
Heater
Plate

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a) Select the upgrade file which has same suffix letter as the machine version. (For example
Version 1.88-TN should choose file name 1.98-TN)
b) Select the right serial port, default is COM1.
3. Click “OK”, display as below:
Power on the BPAP device. If the device is powered on from beginning, please power off the device
and power on again after 5 seconds or 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 BPAP device
screen when every power on.
Note: If failed during upgrading, please repeat from above 1-4 steps.
If you select an incorrect upgrade file (for example: apply a CPAP upgrade file to a BPAP device), the
device will display “Error 08” and cannot work. In this case, apply correct software and upgrade
again.
3.2 Hidden Function
1. Humidifier matching
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.
2. Reset (Available on version 1.58 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

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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
‘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
4.1Error 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. 1234
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)
P1
P2

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Fig. H – Power supply to humidifier
Fig. I – Heater PCBA
Connecting relationship:
Part
Fig. 1234
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.
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).

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7
Assembly the foam pad (non-woven
side up), the front and back foam
blocks of the blower unit in the shied
bottom.
8
Align the location column of blower
unit to the location port in the front
block, Place the blower unit right
between the front and back foam
blocks in the shield bottom and lay it
down till the bottom.
9
Clean the air outlet of the blower
and insert it into the fixing hole, and
set the protruding tube of the blower
unit into the air outlet. It is required
that the top of blower tube stand up
against the bottom of air outlet.
Blower tube
standing up against
outlet bottom
10 Fit silicon rubber cap onto the top
surface of blower unit.

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11
1. Connect the air hole of the
pressure sensor YL on the main
board with the bottom hole(hole#1)
in the front of the blower outlet with
a canal of 12cm in length and 2mm
in inner-diameter.
2. Crosswise connect the two air
holes of the pressure sensor LL on
the main board with the two top
holes (hole#2 & hole#3) around the
blower outlet via two canals of 8cm
in length and 2mm in
inner-diameter.
12
Clean up the blower wires and wind
them with a tube. Insert the plugs
into sockets PM1 and PM2. Put the
lead of thermistor into socket PRT
on main board. Connect the main
board to 24V power supply.
Blower cable
to PM2
24V power
supply
Thermistor lead
to PRT
Blower driving
lead to PM1
Blower wire
and winding
tube
13
Draw the shield back backwards
and put the 9-pin plug into the
corresponding socket on its back.
Lay the main board onto the 4
supporting poles on the shield
bottom and set it into the power
board via the fixing pole on PCB
and get the main board fixed.
Put blower wires on the side into the
gap between blower unit and shield
bottom.

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2. Device Outside
S/N Assembly Figure
14 Put handle in the socket on shield cover.
15 Assembly handle fixing to handle and fix by
screw (4×3mm*8mm).
16 Assembly and fix the panel.
17 Put on the key button.
18
Assembly the infrared window, and put the
shield cover on the bottom, adjust the position
of outlet and make sure it is clamped in the
right socket. Infrared window

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19 Fix the shield by screws (4×M3*10mm).
20 Stick four device pads.
Device pad
21 Put in filter and assembly the cover.
22 Put on all plugs if necessary (without
humidifier).
Plug (up)
Plug (down)
Power plug
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 on light window.
6 Assembly the inner and outer shield.
7 Fix on screw (M3*10mm). Screw
Appendix B:
Spare Part Configuration
S/N Name Qty Figure
1 Shield Cover 1
2 Handle 1
3 Handle Fixing 2

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4 Shield Bottom 1
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

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15 Humidifier Inner
Shield 1
16 Light Window 1
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 Humidifier Inner
Connector 1
25 Key Button 1
26 Humidifier
Scaleboard 1
27 Heater Plane Spring 3
28 Button Spring 1
Spare Part List
Part Name S/N Qty Unit Classify Use
Main Board PCBA 140022 1 PC PCBA Main Device
Heater PCBA 140017 1 PC PCBA Humidifier