Crius V6
Ventilator Machine
Service Manual
Northern Meditec Limited
Intellectual Property Rights
File Number： NR-TP-3162-003
Versions：A1.0
Shenzhen Northern Meditec Limited (“Northern Meditec”) owns the copyright of this
Manual, which is intended for internal use and shall be regarded as confidential
information. This Manual is provided only as a reference document for the servicing of the
vent.
This Manual and all of its intellectual property rights (including the copyright) are
owned by Northern Meditec. No one is allowed to use, disclose or allow any other person
to get access to this Manual by any means in whole or in part, nor shall anyone
photograph, duplicate, copy this Manual or translate it into any other language in whole or
in part without the prior written permission of Northern Meditec.
Northern Meditec reserves the right to the final interpretation of this Manual. This
Manual, the product technologies and the product specifications are subject to change
without further notice.
Statement
Northern Meditec shall provide no warranty for this Manual, including but not limited
to the implied warranty of merchantability and fitness for a particular purpose.
Northern Meditec shall be held liable for the safety, reliability and performance of
Crius V6 only if:
Northern
Crius V6 is installed, operated, expanded, retested, improved and repaired by a
person authorized by Northern Meditec;
The related electrical equipment complies with the applicable national standard;
Crius V6 is used under the relevant operating instructions.
Northern Meditec shall not be held liable for the safety, reliability and working
condition of Crius V6 if:
— Any component is disassembled, stretched or retested;
— Crius V6 is not used according to its User’s Manual.
Warranty
2 / 33
File Number： NR-TP-3162-003
Versions：A1.0
Servicing
Free service: applicable to all of the products within the warranty of Northern Meditec.
Paid service:
1) Applicable to all of the products beyond the warranty of Northern Meditec;
2) Applicable to faulted product caused by man-made damage, grid voltage beyond the
specified range or force majeure (like natural disasters) in the warranty period.
Northern Meditec shall not be held liable for any direct, indirect or final damage or delay
caused by improper use, use of any accessory unapproved by Northern Meditec or any
servicing conducted by any person unauthorized by Northern Meditec.
Contact
Manufacturer:
Shenzhen Northern Meditec Co., Ltd.
Address:
Floor 4, Block C, Gold Power Industry Park, julongshan, Grand
industrial Zone, Pingshan New District, Shenzhen(518102),
P.R.China
Website:
www.northernmeditec.com
E-mail Address:
info@northernmeditrc.com
Northern
Tel:
+86 755 29970566
Fax:
+86 755 23010276
EC-Representative:
Obelis S.A.
Address:
Bd. General Wahis 53, 1030 Brussels, Belgium
Website:
http://www.obelis.net
E-mail Address:
mail@obelis.net
Tel:
+32 2732 5954
Fax:
+32 2732 6003
3 / 33
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 1 Safety.............................................................................................................................5
1.1
Safety Information.............................................................................................................5
1.1.1
Dangers.......................................................................................................................6
1.1.2
Warnings.....................................................................................................................6
1.1.3
Cautions......................................................................................................................8
1.1.4
Notes........................................................................................................................10
1.2
Equipment Symbols..........................................................................................................10
Chapter 2 Structure installation..................................................................................................12
Chapter 3 Theory of Operation...................................................................................................14
3.1.
System chart.....................................................................................................................14
3.2.
Each board card function.................................................................................................14
3.2.1
AC Power board........................................................................................................14
3.2.2
DC Power board........................................................................................................15
3.2.3
Main control Board...................................................................................................16
3.2.4
Monitor(VCM) board................................................................................................17
3.2.5
Alarm lamp board.....................................................................................................18
3.3.
Pneumatic Circuit.............................................................................................................19
Northern
3.3.1
Pneumatic Circuit Diagram.......................................................................................19
3.3.2
Parts List...................................................................................................................19
Chapter 4 Product disassembly drawing...................................................................................21
Chapter 5 System Calibrations...................................................................................................23
5.1. Equipment self-calibration...................................................................................................23
Chapter 6 Software upgrade.......................................................................................................28
Security and precautions..........................................................................................................29
4 / 33
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 1 Safety
1.1 Safety Information
DANGER

Indicates an imminent hazard that, if not avoided, will result in death or serious injury.
WARNING

Indicates a potential hazard or unsafe practice that, if not avoided, could result in death or
serious injury.
Northern
CAUTION

Indicates a potential hazard or unsafe practice that, if not avoided, could result in minor
personal injury and/or product/property damage.
NOTE

Provides application tips or other useful information to ensure that you get the most from
5 / 33
File Number： NR-TP-3162-003
Versions：A1.0
your product.
Northern
6 / 33
File Number： NR-TP-3162-003
Versions：A1.0
1.1.1 Dangers
There are no dangers that refer to the product in general. Specific “Danger” statements may
be given in the respective sections of this manual.
1.1.2 Warnings
WARNING

The ventilator must only be operated and used by authorized medical personnel well
trained in the use of this product. It must be operated strictly following the Operator’s
Manual.

Before putting the system into operation, the operator must verify that the equipment,
connecting cables and accessories are in correct working order and operating condition.

To avoid the risk of electric shock, this equipment must be connected to a properly
installed power outlet with protective earth contacts only. If the installation does not
provide for a protective earth conductor, disconnect it from the power line.

Use external power source (AC power or DC power) before the batteries are depleted.

To avoid explosion hazard, do not use the equipment in the presence of flammable
anesthetic agent, vapors or liquids. When O2 is used, keep the ventilator away from any
fire sources.

Do not place the ventilator adjacent to any barrier, which can prevent cold air from
flowing, resulting in equipment over heat.

Do not open the equipment housings. All servicing and future upgrades must be carried
out by the personnel trained and authorized by us only.

Do not rely exclusively on the audible alarm system for patient monitoring. Adjustment of
alarm volume to a low level may result in a hazard to the patient. Remember that alarm
settings should be customized according to different patient situations and always
keeping the patient under close surveillance is the most reliable way for safe patient
monitoring.

The physiological parameters and alarm messages displayed on the screen of the
equipment are for doctor’s reference only and cannot be directly used as the basis for
clinical treatment.
7 / 33
File Number： NR-TP-3162-003
Versions：A1.0

To dispose of the package material, observe the applicable waste control regulations. And
keep the package material out of children’s reach.

All staff should be aware that disassembling or cleaning some parts of the ventilator can
cause risk of infection.

Maintenance menu can only be accessed when the equipment is disconnected from the
patient.

Positive pressure ventilation may be accompanied by some side effects such as
barotrauma, hypoventilation, hyperventilation, etc.

Using the ventilator in the vicinity of high frequency electrosurgery equipment,
defibrillators or short-wave therapy equipment may impair correct functioning of the
ventilator and endanger the patient.

Do not use antistatic or conductive masks or patient tubing. They can cause burns if they
are used near high frequency electrosurgery equipment.

Do not use the ventilator in a hyperbaric chamber to avoid potential fire hazard due to an
oxygen-enriched environment.

If the equipment internal monitoring system malfunctions, an alternative plan must be
available to ensure adequate level of monitoring. The operator of the ventilator must be
responsible for patient’s proper ventilation and safety under all circumstances.

As required by the relevant rules and regulations, oxygen concentration should be
monitored when the equipment is used on the patient. If your ventilator is not configured
with such monitoring function or this function is turned off, use a monitor which complies
with the requirements of ISO 80601-2-55 for oxygen concentration monitoring.

All analog or digital products connected to this system must be certified to the specified
IEC standards (such as IEC 60950 for data processing equipment and IEC 60601-1 for
medical electrical equipment). All configurations shall comply with the valid version of IEC
60601-1. The personnel who are responsible for connecting the optional equipment to the
I/O signal port shall be responsible for medical system configuration and system
compliance with IEC 60601-1 as well.

Do not touch the patient when connecting the peripheral equipment via the I/O signal
ports or replacing the oxygen cell, to prevent patient leakage current from exceeding the
requirements specified by the standard.

This equipment is not suitable for use in an MRI environment.

When the ventilator’s gas supply input system fails or has faults, please contact us
immediately for service by specified personnel.

The ventilator shall not be used with helium or mixtures with Helium.
8 / 33
File Number： NR-TP-3162-003
Versions：A1.0

Do not move the ventilator before removing the support arm from it, in order to avoid the
ventilator getting tilted during the movement.

Do not block the air intake at the rear of the ventilator.

To prevent interrupted operation of the ventilator due to electromagnetic interference,
avoid using the ventilator adjacent to or stack with other device. If adjacent or stacked
use is necessary, verify the ventilator’s normal operation in the configuration in which it
will be used.

To prevent possible personal injury and equipment damage, ensure that the ventilator is
secured to the trolley or placed on the safe and smooth surface.

To prevent possible equipment damage, avoid tipping over the ventilator when crossing
thresholds.

To prevent possible equipment damage, push the brake down when parking the
ventilator.

Avoid the use of polluted air. When the equipment uses air as gas source for ventilation, if
the air is polluted, harmful substance may enter the patient tubing

To prevent patient injury caused by equipment malfunction, when the alarm [Technical
Error**] occurs, remove the equipment immediately, record failure code, and contact the
Customer Service Department.

To prevent possible ventilator malfunction, do not spill liquid onto the ventilator.

A turbine can cause gas to be heated. To reduce the temperature of gas inside the tubing
and prevent patient injury accordingly, ensure that the length of patient tubing from the
humidifier to Y piece is greater than 1.2m.

The internal electrical power source is to be used if the integrity of the protective earth
conductor or the protective grounding system in the installation is in doubt.

Nebulization or humidification can increase the resistance of breathing system filters, and
that you need to monitor the filter frequently for increased resistance and blockage.

The ventilation accuracy can be affected by the gas added by use of a nebulizer.

The ventilator shall not be used with nitric oxide.

For non-invasive ventilation, the exhaled volume of the patient can differ from the
measured exhaled volume due to leaks around the mask.

Check if the alarm limit settings are appropriate before taking measurement.

When operating the unit with the power supply unit, always connect the unit to an easily
9 / 33
File Number： NR-TP-3162-003
Versions：A1.0
accessible outlet so that it can be unplugged quickly in the event of a malfunction.

No modification of this equipment is allowed.

Failure to have an alternative means of ventilation such as a self-inflating, manuallypowered resuscitator (as specified in ISO 10651-4) with mask can result in PATIENT death
if the VENTILATOR fails.

Stop using the ventilator and contact us immediately when the buzzer sounds.

Under the ambient temperature of 40ºC, the inspiratory pressure of the ventilator
exceeds 60 cmH2O, and the maximum temperature on the surface of breathing mask may
exceed 41ºC but does not exceed 43ºC
1.1.3 Cautions
CAUTION

The ventilator must be inspected and serviced regularly by trained service personnel.

To ensure patient safety, always prepare resuscitator for use.

Always have a special person attend and monitor the operation of the equipment once
the ventilator is connected to the patient.

During the operation of the ventilator, do not disassemble the inspiration safety valve and
expiration valve unless in standby status.

To ensure patient safety, use only parts and accessories specified in this manual.

At the end of its service life, the equipment, as well as its accessories, must be disposed of
in compliance with the guidelines regulating the disposal of such products.

Magnetic and electrical fields are capable of interfering with the proper performance of
the equipment. For this reason, ensure that all external devices operated in the vicinity of
the equipment comply with the relevant EMC requirements. Mobile phone, X-ray
equipment or MRI devices are a possible source of interference as they may emit higher
levels of electromagnetic radiation.

This system operates correctly at the electrical interference levels identified in this
manual. Higher levels can cause nuisance alarms that may stop mechanical ventilation.
Pay attention to false alarms caused by high-intensity electrical fields.
10 / 33
File Number： NR-TP-3162-003
Versions：A1.0
CAUTION

Before connecting the equipment to the power line, check that the voltage and frequency
ratings of the power line are the same as those indicated on the equipment’s label or
specified in this manual.

Always install or carry the equipment properly to avoid damage caused by dropping down,
impact, strong vibration or other mechanical force.

To electrically isolate the ventilator circuits from all poles of the supply mains
simultaneously, disconnect the mains plug.

To minimize the risk of fire, do not use low-pressure gas tubes that are worn or
contaminated with combustible materials like grease or oil.

It is the clinician’s responsibility to ensure that all ventilator settings are appropriate.

To prevent possible patient injury, ensure the ventilator is set up for appropriate patient
type with the appropriate patient tubing. Ensure the System Check is performed before
each patient.

Perform Flow Sensor Calibration before the first use, or when the measured values have
deviations.

To prevent possible patient injury, ensure the ventilation parameters are set up properly
before ventilating the patient.

To ensure the accuracy of oxygen monitoring, replace an exhausted oxygen cell as soon as
possible or use an external monitor that complies with ISO 80601-2-55.

A fan failure could result in oxygen enrichment inside the ventilator and a subsequent fire
hazard.

To reduce the risk of explosion, do not burn the O2 cell or force the cell open.

When ventilating with a mask, avoid high airway pressures. High pressures may cause
gastric distension.

Peak pressures, exceeding 33 cmH2O, may increase the risk of aspiration due to gastric
insufflation. When ventilating with such pressures, consider using an invasive mode.

To reduce the risk of fire, use only tube systems approved for medical purposes and for use
with oxygen between the oxygen source and ventilator.

To reduce the risk of fire, ensure adequate ventilation at the rear of the ventilator.
11 / 33
File Number： NR-TP-3162-003
Versions：A1.0

To reduce the risk of fire, switch off the oxygen source when the ventilator is not in a
ventilating mode.

Avoid putting the ventilator in the storage environment of more than 50℃ for a long time.
Such environment may damage or shorten the battery lives of internal battery and oxygen
sensor.

Use the original packing materials to ship the ventilator.

To prevent fire hazard, use only specified fuses or fuses with the same type, rated voltage,
and rated current as the existing fuses. When it is necessary to replace fuses, contact the
Customer Service Department.

The ventilator is suitable for use within the PATIENT ENVIRONMENT.

Additional MULTIPLE SOCKET- OUTLET or extension cord shall not be connected to the
system.

Before moving the ventilator, ensure that the casters and brakes can work properly, and
the main unit is locked on the trolley.
12 / 33
File Number： NR-TP-3162-003
Versions：A1.0
1.1.4 Notes
NOTE

Put the ventilator and its accessories in a location where you can easily see the screen and
access the operating controls.

Keep this manual close to the equipment so that it can be obtained conveniently when
needed.

The software was developed in compliance with IEC 62304. The possibility of hazards arising
from software errors is minimized.

This manual describes all features and options. Your equipment may not have all of them.
1.2 Equipment Symbols
Symbol
Meaning
Notice! Check the
Symbol
Meaning
Refer to user manual
documentation
Switch on/off key
Up selection operation key
Network connector
Down to select the
operation key
USB connector
Ventilator gas outlet
Flow sensor
Oxygen sensor connector
RS-232 connector
Expiration connector
Inspiration connector
AUDIO PAUSED
CO2 module
Enter key
File Number： NR-TP-3162-003
Date of manufacture
Versions：A1.0
Manufacturer
Degree of protection
Serial number
IP21
Protective earth ground
Type BF applied part.
Defibrillation-proof protection
against electric shock.
provided by enclosure
CE mark
MR Unsafe - do not subject to
magnetic resonance imaging
(MRI)
The EU Representative
Office
Stacking limit by number
Temperature limitation
Humidity limitation
Atmospheric pressure limitation
This way up
Fragile, handle with care
Keep dry
Recyclable
The following definition of the WEEE label applies to EU member states only.
This symbol indicates that this product should not be treated as household waste. By
ensuring that this product is disposed of correctly, you will help prevent bringing
potential negative consequences to the environment and human health. For more
detailed information with regard to returning and recycling this product, please
consult the distributor from whom you purchased it.
* For system products, this label may be attached to the main unit only.
14/30
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 2 Structure installation
Crius V6 ventilator structure installation, each component, as shown in the following
table:
No.
Name
1
Installation
for main
engine
Picture
Illustrates
① Screen components
②The display shaft cover
plate
③Display support
bottom cover
④Display shaft
⑤Cylindrical pin
⑥Right armrest
⑦Rear armrest
⑧Internal and external
hexagonal studs of handrail
(6)
⑨Left armrest of ventilator
15/30
File Number： NR-TP-3162-003
Picture
Versions：A1.0
No.
Name
Illustrates
2
Cart
installation
①Adapter plate assembly
② Column
③Cart chassis assembly
④The upper and lower
screws are fixed (the top
is a countersunk hexagon
socket head screw)
3
Installation
of
humidifier
support
①Secure these 3 screws
4
The main
machine is
connected
and
installed
with the
cart
①Tighten this screw after
installation.
16/30
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 3 Theory of Operation
3.1. System chart
AC power module
O2
Proportional valve
Air
Mixed case valve
lithium battery
Touch screen
Master control
board
DC Power board
Turbine
Monitor board
Inhalation valve
display screens
B
us
in
te
rf
ac
e
bo
ar
d
keyboard plate
Alarm lamp plate
Network interface
board
Exhalation valve
3.2. Each board card function
17/30
File Number： NR-TP-3162-003
Versions：A1.0
3.2.1 AC Power board
图 1AC/DC Board
Port connection function：
No.
1
2
Name
TB1
TB2
Function
TBH1 Connect To AC Power
TBH2 to J3(DC/DC Board)
3.2.2 DC Power board
18/30
File Number： NR-TP-3162-003
Versions：A1.0
图 2 DC/DC Board
Port connection function：
No.
1
2
3
Name
J1
J2
J3
4
5
6
7
8
9
J4
J5
J6
J7
BAT1
BAT2
Function
Connect to the keypad via the bus
Reserve 18V output
Power input, output from ac power board
TB2
18V output to VCM Board J9
12v/5v output to VCM Board J20
12v Output to cooling fan
12vOutput to cooling fan
BAT1 To Battery1
BAT2 To Battery2
19/30
File Number： NR-TP-3162-003
Versions：A1.0
3.2.3 Main control Board
图 3Main Board
Port connection function：
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
J1
J2
J3
J6
J7
J8
J9
J10
J13
J14
J15
J16
J17
J18
J20
J22
Function
No use
J2 To Plug-board J13
No use
J6 To Plug-board J13
J7 To Display Line(Connect To Key)
No use
J9 To Plug-board J12
J10 To Plug-board J12
J13 To Plug-board J9
No use
No use
J16 To Plug-board J13
J17 To Speaker
J18 To Plug-board J8
No use
J22 To Display Line(Connect To Screen)
20/30
File Number： NR-TP-3162-003
17
18
19
20
21
22
23
J61
J62
J63
J71
J73
J76
BAT71
Versions：A1.0
No use
J62 To Display Line(Connect To Touch)
No use
J71 To Plug-board J12
No use
J76 To Plug-board J10
BST71 To Battery
3.2.4 Monitor (VCM) board
图 4 VCM Board
Port connection function：
No.
1
2
3
4
Name
J1
J3
J4
J6
5
6
7
J7
J8
J9
Function
Connect oxygen battery
Connect proportional valve
Connect safety valve
Reserved for communication between main
control board and monitoring MCU
Connect inspiration valve
Connect exhalation valve
Connect 18V power supply from DC power
21/30
File Number： NR-TP-3162-003
8
9
10
11
12
13
J11
J12
J13
J14
J15
J18
14
15
16
J19
J20
J21
Versions：A1.0
board J4
Turbine motor wiring base
Solenoid valve connector
Oxygen flow sensor connector
inspiration flow sensor connector
Turbine temperature sensor connector
The main control board communicates with
the control MCU
Reserved for debugging
12v,5v input from DC power board J5
Reserved for debugging
3.2.5 Alarm lamp board
J1
图 5 Lighting Board
Port connection function：
No.
1
Name
J1
Function
J1 is connected to the key control board J4
22/30
File Number： NR-TP-3162-003
Versions：A1.0
3.3. Pneumatic Circuit
3.3.1
Pneumatic Circuit Diagram
3.3.2
Parts List
Symbol
Description
Symbol
Description
Air Low-Pressure
Inlet
Air supply (low pressure)
PZTV1
Zeroing three-way valve
F2
Dust filter (Air)
P2
Inspiratory pressure sensor
F9
Inspiratory pressure sensor
F3
HEPA filter (Air)
P1
Vacuum sensor (Air)
O2 Low-Pressure
Inlet
O2 supply(low pressure)
CV1
Check valve
O2 High-Pressure
Inlet
filter
Humidifier
Humidifier
WT1
Water trap
P1
Patient
NCV
O2 supply(high pressure)
Nebulizer switch
23/30
File Number： NR-TP-3162-003
Versions：A1.0
F1
Filter (O2)
R3
Nebulizer resistor
REG
Regulator
Nebulizer
Nebulizer
PSOL
Proportional solenoid valve
WT2
Water trap
Bacteria filter (connecting to
F4
Filter screen
F8
Q1
Flow sensor
Q2
Level 1 mixed noise
SD1
reduction chamber
inspiratory port)
Expiratory flow sensor
Bacteria filter (connecting to
F7
patient port)
T1
Temperature sensor
F6
Filter
Blower
Turbine blower
F5
Filter
PZTV2
Zeroing three-way valve
PZTV3
Zeroing three-way valve
Level 2 mixed noise
SD2
Heat Exchanger
reduction chamber
Heat exchanger
Expiratory differential
Insp. valve
Inspiration valve
P4
OS
O2 concentration sensor
P3
Expiratory pressure sensor
F11
Filter screen
F12
Filter
Q3
Flow sensor
R1
Resistor
CV3
Check valve
R2
Resistor
SAV
Safety valve
EXV
Expiration valve
Atmosphere
Atmosphere
CV2
Expiratory check valve
pressure sensor
24/30
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 4 Product disassembly drawing
1.A ventilator cart
2.Trolley fixed screw M5X12
3. Trolley adapter assembly
4. Breathing Component
Electrical Integration
Component
5. Breathing left cover
assembly
6. Cover Component
7. Breathing top cover
8. Breathing machine display
column
9. Display axis
10. Display assembly
11. Display front shell assembly
12. Display column sealing pad
13. Cross caisson screw
14. Breathing right cover
assembly
15. Respiratory front shell
assembly
16. Humidifier
25/30
File Number： NR-TP-3162-003
Versions：A1.0
1. Turbine Box Total
Component
2. Silicone gasket
3. Respiratory column 1
4. Oxygen battery box
assembly
5. Respiratory column 3
6. Backhand support
7. Network interface support
8. Regular monitoring network
interface board
9. High and Low Pressure
Oxygen Control Component
10. Turbo box holder
11. Respiratory column 4
12. Respiratory column 2
13. Breathing motherboard
gold support assembly
14. Inhalation branch general
assembly
15. Exhalation branch general
assembly
16. Oxygen-empty connection
silicone hose assembly
17. Triple valve assembly
18. Control panel support
19. Fan.
20. A homemade ventilator
monitor board
21. 0039 Blood oxygen
Chapter 5 System Calibrations
Note：
 System configuration and calibration operations must be performed in standby
mode. If not currently in standby mode, please switch to standby mode.
26/30
File Number： NR-TP-3162-003
Versions：A1.0
5.1. Equipment self-calibration
1) In the standby interface, press the [Menu] button and select the [Factoring]
button in the Main Menu option
2) Pop up the password window, enter 6 correct passwords (112358), and
click [Enter] as shown in the figure below
3) Select the [OK] button to enter the factory settings menu options interface,
as shown in the figure
27/30
File Number： NR-TP-3162-003
Versions：A1.0
4) Click[calibration], select the parameters that need to be calibrated, and first
do the leak test, as shown on the left below. The leak test requires closing the
air path, connecting the trachea to the right of the figure below, and pressing
[Start] When ready.
5) Pressure to zero calibration, zero need not make any preparations, start
with [Start]
28/30
File Number： NR-TP-3162-003
Versions：A1.0
6) Calibrate the inhalation flow, you need to open the air path, pull out the
suction pipe, and press [Start] When ready to start calibration. The school
needs to wait patiently for a long time.
7) Calibrate the exhalation flow, need to close the air path, the operation
method is the same as the leak test.
29/30
File Number： NR-TP-3162-003
Versions：A1.0
8) Oxygen sensor calibration, the need to open the air path, the operation
method is the same as the calibration inhalation flow, but the time is relatively
short.
9) Calibration of PEEP pressure requires closure of the air path, and the
operation method is the same as the leak test.
30/30
File Number： NR-TP-3162-003
Versions：A1.0
Chapter 6 Software upgrade
31/30
File Number： NR-TP-3162-003
Versions：A1.0
Note：

Before the upper computer software is upgraded, it must be turned off first. Inserts a USB
drive and starts boot.
The upper computer software upgrade operation steps are as follows:
1) If the current system is activated, press the system to open the key, pop the
prompt box to select [OK], and enter the shutdown countdown window. After
the countdown is over, the system automatically shuts down.
2) Copy the host computer software to be upgraded to the USB disk.
3) Insert the USB disk into the USB interface, press the system boot key, and
start the machine.
4) Screen prompt upgrade status, and at the same time show the percentage
of progress, such as the upgrade end of the system automatically into the
standby interface. Explain the success of the upgrade; If unsuccessful,
checking the software version and hardware is correct with the burn program.
Hardware Flash has 64MB and 128MB. If the program update fails, it will stay
on the LOGO screen.
Security and precautions
1) Do not use this equipment if there are signs of damage to the function of
32/30
File Number： NR-TP-3162-003
Versions：A1.0
the machine or if there is an error message, and contact the biomedical
engineer of the hospital or our maintenance engineer.
2) The equipment can only be maintained by qualified maintenance personnel
authorized by the Company.
3) The maintenance personnel must be familiar with the power supply index,
the polarity Mark and the requirements of the company's products on the
ground line.
4) Maintenance personnel must be familiar with the working rules of the
hospital, especially those who need to enter the ICU, CUU, operating room
installation or maintenance.
5) Be able to pay attention to their own safety and avoid the risk of infection
or infection in construction or maintenance.
6) Correct handling of replaced plates, machines, accessories, etc., to avoid
the risk of infection and infection.
7) During site maintenance, the parts and screws that can be removed can be
properly placed and kept in order.
8) Maintenance staff to ensure that the tools in their kit are complete and
well-organized.
9) Are the spare parts packing in good condition? Do not use packaging
defects or accessories if there are signs of damage.
10) After the repair is completed, please clean up the scene and leave.
33/30