Care Fusion LTV 1200 User manual

LTV®1200, 1150,
and 1100 Ventilator
Service Manual
P/N 18603-001 Rev. J

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page i
Revision History
Revision Level Revision Date
Rev. A, ECO 4188 September 2006
Rev. B, ECO 4950 March 2008
Rev. C, ECO 5407 July 2008
Rev. D, ECO 5640 June 2009
Rev. E, ECO 6002 July 2009
Rev. F, ECO 6291 April 2011
Rev. G, ECO 7040 February 2012
Rev. H, ECO 81024 February 2013
Rev. J, ECO 81227 March 2013

Page ii LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
CareFusion
22745 Savi Ranch Parkway
Yorba Linda, CA 92887
U.S.A.
CareFusion Germany 234 GmbH
Leibnizstrasse 7
97204 Hoechberg
Germany
Customer Care:
800.754.1914 toll free
763.398.8500
763.398.8403 fax
[email protected]
[phone] tel
[phone] fax
Any product malfunctioning issues that
fall under Medical Device Directives
Essential Requirements should be
directed to
CareFusion Germany 234 GmbH.
[email protected]
carefusion.com
LTV®1200, LTV®1150, and LTV®1100 are trademarks belonging to CareFusion Corporation.
Copyright © 2006–2013 CareFusion Corporation or one of its subsidiaries. All rights reserved.

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page iii
User/Owner Responsibility
This manual is intended for use only by service personnel who have been trained and
authorized by CareFusion to service the LTV® 1200, 1150, or 1100 ventilator.
CareFusion does not condone or approve of service activity on its products by untrained and
unauthorized personnel. CareFusion is not responsible for any unauthorized repairs or
any repairs made by unauthorized procedures.
Use of an incorrect part or failure to exercise due care in the installation, removal, servicing,
checkout or calibration of parts and equipment may result in damage or malfunction of the
equipment. This may also result in damage to property and injury including death.
The purchaser and installer of these parts shall bear full responsibility and liability for the
above. All maintenance performed within the applicable warranty period must be authorized
in advance by a CareFusion Service representative in order to retain the warranty status of
the subject unit.
Warranty
CareFusion warrants that the LTV®1200, 1150, or 1100 ventilator is free from defects in
material and workmanship for a period of one (1) year from the date of shipment, or 8,800
hours as measured on the usage meter, whichever comes first, with the following limitations:
The battery is warranted for ninety (90) days from date of shipment.
CareFusion will, at its option, either repair, replace, or issue credit for products that prove to
be defective during the warranty period.
For warranty service or repair, the product must be returned to CareFusion or a service
facility designated by CareFusion, shipping prepaid by the Buyer.
LIMITATION OF WARRANTY
Ordinary maintenance, as specified in the LTV®1200, 1150, or 1100 Ventilator Operator’s
and Service Manuals, is not covered under the foregoing warranty
The foregoing warranty does not apply to defects resulting from:
1) Improper or inadequate maintenance of the unit;
2) Improper use or misuse of the unit;
3) Unauthorized modifications or repair to the unit;
4) Use of the unit with unauthorized accessories, e.g. external battery or AC adapter.
5) Operation of the unit outside the specified environment.
NO IMPLIED WARRANTIES
This warranty is exclusive. There are no other warranties expressed or implied.
LIMITATION OF LIABILITY
CareFusion shall not be liable for loss of profits, loss of use consequential damages, or any
other claim based on breach of warranty. CareFusion’s liability for damages of any kind shall
be limited to the purchase price of the defective unit.

Page iv LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Notices
The LTV®1200, 1150, or 1100 ventilator complies with limitations as specified in IEC 601-1-
2 for Medical Products. It does however, use and radiate radio frequency energy.
The function of this machine may be adversely affected by the operation of other nearby
equipment, such as high frequency surgical diathermy equipment, short-wave therapy
equipment, defibrillators or MRI equipment.
European Regulatory Requirements per 93/42/EEC Medical Device Directives
CareFusion’s European Representative for vigilance reporting within the European
Community is:
CareFusion Germany 234 GmbH
Leibnizstrasse 7
97204 Hoechberg, Germany
Main Office: 49.931.4972.0
Fax: [phone]
Email: [email protected]
Any product malfunctioning issues that fall under Medical Device Directives Essential
Requirements should be directed to CareFusion Germany 234 GmbH.
Notice to Users
Unsafe Operation - Servicing the LTV®1200, 1150, or 1100 ventilator without a complete
and thorough understanding of its attributes may result in unsafe operating conditions. It is
important that this manual be read and understood in its entirety before servicing the
ventilator.
Warnings and Cautions Section - Read the section on Warnings and Cautions carefully
before attempting to service or operate the LTV®1200, 1150, or 1100 ventilator. General
warnings and cautions which apply any time you use the ventilator are listed in the front of
this manual. General and specific warnings and cautions also appear throughout the text
where they are most meaningful.
Use and Maintenance - Any questions regarding installing, setting up, operating, or
maintaining the LTV®1200, 1150, or 1100 ventilator, should be directed to a service
technician who has been trained and certified by CareFusion to service the LTV®1200,
1150, or 1100 ventilator or CareFusion using the contact information at the front of this
manual.

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page v
Contents
Notices......................................................................................................................................... iv
Chapter 1 - Introduction ..................................................................................1-1
Getting Assistance.................................................................................................................... 1-1
Operator’s Safety Information................................................................................................... 1-2
Warnings................................................................................................................................... 1-3
Cautions.................................................................................................................................... 1-4
Symbols .................................................................................................................................... 1-5
Chapter 2 - Ventilator Checkout Tests ...........................................................2-1
Alarm Test ................................................................................................................................ 2-3
Display Test .............................................................................................................................. 2-4
Control Test .............................................................................................................................. 2-6
Leak Test .................................................................................................................................. 2-8
Vent Inop Alarm Test .............................................................................................................. 2-10
Exit .......................................................................................................................................... 2-11
Chapter 3 - Real-Time Transducer Data.........................................................3-1
Chapter 4 - Cleaning, Disinfecting and Sterilizing ........................................4-1
Cleaning the Ventilator ............................................................................................................. 4-1
Cleaning or replacing the Fan Filter ......................................................................................... 4-2
Cleaning or replacing the Inlet Filter......................................................................................... 4-3
Cleaning or Replacing the O2Inlet Filter (LTV® 1200 Only) ..................................................... 4-4
Cleaning the Reusable Exhalation Valve and Patient Circuit................................................... 4-6
Chapter 5 - Preventative Maintenance ...........................................................5-1
Recommended Maintenance Schedule.................................................................................... 5-1
Before Initial Use ...................................................................................................................... 5-2
Storage Maintenance................................................................................................................ 5-2
Daily Maintenance .................................................................................................................... 5-2
Monthly Maintenance................................................................................................................ 5-2
10,000 Hour / 2 Year Maintenance........................................................................................... 5-3
30,000 Hour Maintenance / 6 Year Maintenance..................................................................... 5-3
Chapter 6 - Maintenance & Calibration ..........................................................6-1
Operating Theory...................................................................................................................... 6-1
Pneumatic Schematic Detail ................................................................................................ 6-3
Vent Maintenance..................................................................................................................... 6-4
Entering Vent Maintenance Mode ........................................................................................ 6-5
Vent Maintenance Entry Alarm............................................................................................. 6-6
Calibration................................................................................................................................. 6-6
Airway Pressure Calibration ................................................................................................. 6-8
Calibrate the Airway Pressure Transducers....................................................................... 6-10
Flow Differential Calibration................................................................................................ 6-11
Valve Differential Calibration .............................................................................................. 6-14
PEEP Pilot Pressure Transducer Calibration ..................................................................... 6-17
O2Inlet Pressure Calibration (LTV®1200 Only)................................................................. 6-18
Stepper Motor Calibration................................................................................................... 6-20
Measure Actual Turbine Speed (T/S)................................................................................. 6-22
Vent Maintenance Exit........................................................................................................ 6-24
Calibration Worksheet ........................................................................................................ 6-25
Flow Valve Calibration (VHome Trim) .................................................................................... 6-26
Servo .................................................................................................................................. 6-28

Page vi LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Solenoid ..................................................................................................................................6-29
Step Test .................................................................................................................................6-30
Watchdog Test ........................................................................................................................6-31
Configuration ...........................................................................................................................6-32
Model Selection.......................................................................................................................6-33
Flow Valve Home Position ......................................................................................................6-34
Temperature Compensation ...................................................................................................6-35
Configuration Menu Exit..........................................................................................................6-35
CLEAR ....................................................................................................................................6-36
Vent Maintenance Menu Exit ..................................................................................................6-37
Chapter 7 - Troubleshooting .......................................................................... 7-1
Displays and Buttons ................................................................................................................7-2
Ventilator Performance .............................................................................................................7-7
Advanced Diagnostic Procedures...........................................................................................7-23
Advanced Vte Diagnostic Procedures ................................................................................7-23
Advanced FiO2Diagnostic Procedures (LTV®1200 Only) .................................................7-27
Power and Battery Operation..................................................................................................7-29
Alarms .....................................................................................................................................7-32
Checkout Test Failures ...........................................................................................................7-40
Test Lung Operation ...............................................................................................................7-43
Chapter 8 - Component Removal and Replacement .................................... 8-1
Training and Authorization ........................................................................................................8-1
Service Record..........................................................................................................................8-1
Tools..........................................................................................................................................8-2
Calling for Assistance................................................................................................................8-2
Before removing the back panel ...............................................................................................8-3
Before replacing the back panel................................................................................................8-3
After performing any maintenance ............................................................................................8-3
Boots, Protective .......................................................................................................................8-4
Boots, Temporary Removal ..................................................................................................8-5
Boots, Permanent Removal ..................................................................................................8-7
Boots, Reinstallation ...........................................................................................................8-10
Boots, New Installation .......................................................................................................8-13
LTM/LTV mounting assembly installation and removal ..........................................................8-16
Current Model LTM Instructions..........................................................................................8-17
LTM mounting assembly permanent removal (current LTM)..............................................8-18
LTM mounting assembly re-installation (current LTM) .......................................................8-19
LTM mounting assembly new installation (current LTM) ....................................................8-20
LTM/LTV® mounting bracket (earlier model LTM)............................................................... 8-22
LTM/LTV mounting bracket temporary removal (earlier model LTM).................................8-23
LTM/LTV mounting bracket permanent removal (earlier model LTM)................................8-24
LTM/LTV®mounting bracket, reinstallation (for earlier model LTM)...................................8-25
LTM/LTV®mounting bracket new installation (earlier model LTM).....................................8-26
Back Panel ..............................................................................................................................8-28
Back Panel, Removal..........................................................................................................8-28
Back Panel, Reinstallation ..................................................................................................8-29
Internal Flexible Tubing...........................................................................................................8-33
Tubing Overview Diagram ..................................................................................................8-33
Tubing Table .......................................................................................................................8-34
Solenoid Manifold Tube Routing Table............................................................................... 8-35
Solenoid Mount Tube Routing Table ..................................................................................8-36
Tubing Removal/Replacement Instructions ........................................................................ 8-37

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page vii
Accumulator............................................................................................................................ 8-53
Alarm Sounder Assembly (previous version) ......................................................................... 8-55
Alarm Sounder Assembly (current version)............................................................................ 8-57
Analog Board Assembly ......................................................................................................... 8-59
External Inlet Filter.................................................................................................................. 8-63
Fan Assembly ......................................................................................................................... 8-64
Cleaning the Fan Filter ....................................................................................................... 8-65
Flow Valve Assembly and Cleaning Instructions.................................................................... 8-66
Front Panel ............................................................................................................................. 8-75
Internal Battery Pack .............................................................................................................. 8-81
Caring for the Internal Battery ............................................................................................ 8-84
Internal Inlet Filter ................................................................................................................... 8-85
Main Board Assembly............................................................................................................. 8-86
Memory Board ........................................................................................................................ 8-92
Motor Board Assembly ........................................................................................................... 8-94
O2Blender Assembly / O2Block............................................................................................. 8-96
O2Blender Filter (LTV®1200 only)....................................................................................... 8-104
Power Board Assembly ........................................................................................................ 8-105
Right and Left Soft Side Panels............................................................................................ 8-117
Rotary Switch (Set Value Knob) Assembly .......................................................................... 8-118
Solenoid Manifold Assembly ................................................................................................ 8-120
Solenoid Manifold Tube Routing Table ................................................................................ 8-120
Solenoid Mount Assembly .................................................................................................... 8-126
Thermo Conductive Motor Board Heatsink Pad................................................................... 8-129
Thermo Conductive Turbine Pad.......................................................................................... 8-130
Turbine Manifold ................................................................................................................... 8-131
Chapter 9 - Final Checkout Test .....................................................................9-1
Checkout Test Selection........................................................................................................... 9-1
General Checkout..................................................................................................................... 9-2
General Checkout Worksheet .............................................................................................. 9-9
Power Checkout ..................................................................................................................... 9-13
Power Checkout Worksheet............................................................................................... 9-16
Performance Checkout ........................................................................................................... 9-18
Performance Checkout Worksheet .................................................................................... 9-27
12 Hour Burn-in ...................................................................................................................... 9-32
12 Hour Burn-in Worksheet ................................................................................................ 9-34
Appendix A - Ventilator Specifications ......................................................... A-1
Appendix B - Glossary ................................................................................... B-1
Appendix C - Service Record Form............................................................... C-1
Appendix D - Event Trace .............................................................................. D-1
Appendix E - Reference Information ............................................................. E-1
Conversion Factors................................................................................................................... E-1
Extended Features Map ........................................................................................................... E-2
External Accessories Screw Location, Type and Length ......................................................... E-5
External Accessories Screw Location, Type and Length ......................................................... E-5
Parts, Replacement .................................................................................................................. E-7
Settings, Dip Switch................................................................................................................ E-10
Settings, Front Panel Controls and Extended Features ......................................................... E-11
Tools, Required ...................................................................................................................... E-12
Transducer Calibration, Acceptable A/D Counts.................................................................... E-16

Page viii LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Torque Values ........................................................................................................................ E-17
Appendix F - Index .......................................................................................... F-1

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page 1-1
Chapter 1 - I NTRODUCTION
This manual describes how to perform routine maintenance, troubleshooting, and repairs on
the LTV®1200, 1150, and 1100 ventilators. It is designed for use by service personnel who
have been trained and authorized by CareFusion. Do not perform any of the procedures
in this manual unless you are trained and authorized for service on LTV®1200, 1150,
and 1100 ventilators.
This manual contains what you need to know to:
1) Perform preventative maintenance.
2) Calibrate the ventilator.
3) Perform routine troubleshooting.
4) Remove and replace major components of the ventilator.
See the LTV®1200, 1150, or 1100 Ventilator Operator's Manuals for information on setting
up and operating the ventilator.
Getting Assistance
If a problem occurs while maintaining the LTV®1200, 1150, or 1100 ventilator or if you
require additional information, contact a service technician who has been trained and
certified by CareFusion to service the LTV®1200, 1150, or 1100 ventilator or CareFusion at:
CareFusion
22745 Savi Ranch Parkway
Yorba Linda, CA 92887
U.S.A.
CareFusion Germany 234 GmbH
Leibnizstrasse 7
97204 Hoechberg
Germany
Customer Care:
800.754.1914 toll free
763.398.8500
763.398.8403 fax
[email protected]
[phone] tel
[phone] fax
Any product malfunctioning issues that
fall under Medical Device Directives
Essential Requirements should be
directed to
CareFusion Germany 234 GmbH.
[email protected]
carefusion.com

Page 1-2 LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Operator’s Safety Information
All Operators must read and understand the following information about Warning, Caution
and Note statements before operating the LTV®1200, 1150, or 1100 ventilator.
General warnings and cautions which apply any time you use the ventilator are listed here.
General and specific warnings and cautions also appear throughout this manual where they
are most meaningful.
WARNING
“Warning” statements contain information about circumstances or practices that may cause
serious and undesirable results, or expose the patient or operator to danger.
CAUTION
“Caution” statements contain information about circumstances or practices that may result
in equipment damage.
NOTE
“Note” statements contain additional information to assist in the proper operation of the
ventilator.

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page 1-3
Warnings
WARNING
Ventilator Service and Repair - Only service technicians who have been trained and
certified by CareFusion to service the LTV®1200, 1150, or 1100 ventilator are authorized to
perform repairs or maintenance on the LTV®1200, 1150, or 1100. Do not attempt to repair
or replace any part of the ventilator unless you are trained and certified to do so by
CareFusion. Personal injury could result.
Fire or Explosion - Operation of the ventilator in the presence of flammable gases could
cause a fire or explosion. Under no circumstances is the ventilator to be operated when
explosive gases are present. The presence of nitrous oxide or flammable anesthetics
presents a danger to the patient and operator.
Untrained Personnel – Only properly trained personnel should operate the ventilator. The
LTV®1200, 1150, or 1100 ventilator is a restricted medical device designed for use by
Respiratory Therapists or other properly trained and qualified personnel under the direction
of a physician and in accordance with applicable state laws and regulations.
Unauthorized Parts or Accessories – Serious harm to the patient may result from the use
of unauthorized parts or accessories. Only items expressly approved by CareFusion may be
used in conjunction with the LTV®1200, 1150, or 1100 ventilator.
Ventilator Checkout Tests – Be aware that gas is not delivered to the patient during these
tests. Disconnect the patient from the ventilator and ventilate using an alternative method
before running the Ventilator Checkout tests.
Ventilator Checkout and Maintenance Modes - The LTV®1200, 1150, or 1100 ventilator
does not deliver gas during the Ventilator Checkout mode (VENT CHECK) or Ventilator
Maintenance mode (VENT MTNCE) and should not be used to ventilate a patient during
these tests.
Mounting Screw Use – Internal damage to the ventilator may result if wrong length
mounting screws are used to secure parts or accessories. Refer to the information
contained in Replacement Screws Kit, P/N 11149, to determine the appropriate accessories
mounting screws or accessories replacement screws to use when removing or exchanging
external accessories on an LTV®1200, 1150, or 1100 ventilator.

Page 1-4 LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Cautions
CAUTION
Electrical Grounding –Loss of protective ground could result in electrical shock. Only use
the unmodified power supplies and cords supplied for the LTV®1200, 1150, or 1100
ventilator, maintained in good condition and connected to a properly wired and grounded
electrical power outlet.
Fuse Fire Hazard – Replacement of existing fuses with fuses of different voltage or
electrical current ratings may cause a fire.
Storage Temperature - Storing the LTV®1200, 1150, or 1100 ventilator at temperatures
above 60°C (140°F) for long periods can damage the LTV®battery and cause battery
duration to degrade.
Patient Assist Call Connector – Do not apply more than 25V rms or 32VDC to the Patient
Assist Call connector.
CLEAR Function Cautions - The CLEAR function should be used with great care as once
a section of the memory is cleared, all data in that section of memory is lost and it cannot be
automatically restored.
Electronic and Mechanical Parts - The LTV®1200, 1150, or 1100 ventilator contains
delicate electronic and mechanical parts that must be handled properly to avoid damage.
Follow the instructions given in this manual carefully and make sure to observe all
instructions.
Opening the ventilator - Always turn the ventilator OFF and remove the external power
before opening the ventilator case or attempting to service the ventilator.
Anti-static Precautions - Always wear a grounded anti-static wrist strap when handling the
ventilator with the case open. Electrostatic discharge can damage the internal electronics.
Verification of Operation - After opening the ventilator and performing any maintenance,
verify proper operation of the ventilator by performing the checks and calibrations
recommended in Chapter 9 - Final Checkout Test.
Ventilator Sterilization – To avoid irreparable damage to the LTV®1200, 1150, or 1100
ventilator, do not attempt to sterilize it.
Cleaning Agents – To avoid damaging the ventilator’s plastic components and Front Panel,
do not use cleaning agents containing ammonium chloride, other chloride compounds, more
than 2% glutaraldehyde, phenols, or abrasive cleaners.
Ventilator Immersion - Do not immerse the ventilator in liquids.
High pressure air nozzle – Only a low-pressure air nozzle with flow less than 10 liters per
minute should be used around the ventilator. High pressure can damage the ventilator, in
particular the differential pressure ports.
Front Panel – Do not pour or spray liquids onto the Front Panel.
Care of Bacterial Filters – If bacterial filters are used in conjunction with the LTV®1200,
1150, or 1100 ventilator, comply with all recommended care procedures as specified by the
filter manufacturer.
Wet or Damp Filters - Do not install any wet or damp filters into the LTV®1200, 1150, or
1100 ventilator. This could damage the ventilator.
Software Version – Never install a version of software lower than that originally installed in
the ventilator.Erroneous operation may result from use of incompatible software. LTV®
ventilator software is generally designed to be backwards-compatible.

p/n 18603-001, Rev. J LTV
®
1200, 1150, and 1100 Ventilator Service Manual Page 1-5
Symbols
Symbol Compliance
1
Title Application
ISO 3864
(Prev. IEC 348)
Symbol No. B.3.1
Caution (refer to
accompanying
documents)
Direct the user to the instruction
manual where it is necessary to follow
certain specified instructions where
safety is involved.
IEC 417
Symbol No.
417-IEC-5016
Fuse Indicates the location of fuses.
IEC 417
Symbol No.
417-IEC-5035
Output Identifies an output terminal when it is
necessary to distinguish between
inputs and outputs.
IEC 417
Symbol No.
417-IEC-5019
Protective earth
(ground)
To identify any terminal which is
intended for connection to an external
protective conductor for protection
against electric shock in case of a fault
or the terminal of a protective earth
(ground) electrode.
IEC 417
Symbol No.
417-IEC-5333
Type BF equipment. To mark type BF equipment complying
with IEC Publication 601.
IEC 417
Symbol No.
417-IEC-5031
Direct Current Indicates on the rating plate that the
equipment is suitable for direct current
only; to identify relevant terminals.
IEC 417
Symbol No.
417-IEC-5032
Alternating current Indicates on the rating plate that the
equipment is suitable for alternating
current only; identifies relevant
terminals.
IEC 417
Symbol No.
417-IEC-5172
Class II equipment To identify equipment meeting safety
requirements specified for Class II
equipment.
IEC 60417
Symbol No.
5182
Sound; audio Identifies controls or terminals related
to audio signals.
Directive
2002/96/EC
Waste Container To identify Waste Electrical and
Electronic Equipment (WEEE) that is
not to be disposed of as unsorted
municipal waste and is to be collected
separately.
1
Reference IEC Medical Electrical Equipment, 2
nd
. Edition 1988

Page 1-6 LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page 2-1
Chapter 2 - V ENTILATOR C HECKOUT T ESTS
This chapter details test procedures that are initiated through the Vent Check menu and
used to verify the proper operation of the LTV®1200, 1150, or 1100 ventilator. These
checkout tests are to be performed before using the ventilator on a patient and in
accordance with recommended periodic maintenance and testing of the ventilator. See
Chapter 5 - Preventative Maintenance.
The checkout test procedures are:
Test Test used to:
Alarm Test Verify that the audible alarm is working correctly.
Display Test Verify that the ventilator displays are working correctly.
Control Test Verify that the ventilator buttons and the Set Value knob are
working correctly.
Leak Test Test the patient circuit for leaks.
Vent Inop Alarm Test Verify that the Vent Inop alarm is working correctly.
The Vent Check Menu is set up as follows:
VENT CHECK
ALARM
DISPLAY
CONTROL
LEAK
EXIT
WARNING
Ventilator Checkout and Maintenance Modes - The LTV®1200, 1150, and 1100 ventilator
does not deliver gas during the Ventilator Checkout mode (VENT CHECK) or Ventilator
Maintenance mode (VENT MTNCE) and should not be used to ventilate a patient during
these tests.

Page 2-2 LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
To enable the ventilator checkout menu:
To enter the ventilator checkout (VENT CHECK) menu, a special power on sequence is
required.
1) Disconnect the patient from the ventilator and ventilate using an alternative method.
2) With the ventilator off, connect the AC adapter to the ventilator and plug it in to a valid
AC power source. Verify that the External Power and Charge Status LEDs are
illuminated or flashing.
3) Press and hold down Select. While holding Select, press On/Standby to turn the
ventilator on.
REMOVE PTNT is displayed; if it does not display, repeat steps 2 through 4.
An audible alarm (alternating on/off tone) sounds while REMOVE PTNT is
displayed.
4) Clear the alarm by pressing the Silence Reset button.
The audible alarm silences, and the display changes from REMOVE PTNT to
VENT CHECK.
To enter the Ventilator Checkout menu:
1) Press Select.
2) The first Ventilator Checkout Test, ALARM is displayed.

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page 2-3
Alarm Test
The alarm test verifies that the audible alarm is working correctly.
To run the alarm test:
1) Press Select while ALARM is displayed.
2) Verify that the audible alarm sounds. When the alarm has sounded for at least 2
seconds, press Select again.
The audible alarm is silenced and the next menu item is displayed.
3) Verify a confirming audible chirp sounds after the alarm is silenced.
If the ventilator fails the alarm test, see Chapter 7 - Troubleshooting for more information.
NOTE
Although the LTV® 1200 Front Panel is shown, the test is applicable to the LTV®1150 and
1100 Ventilators.

Page 2-4 LTV®1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
Display Test
At the end of the alarm test, DISPLAY shows in the LED display window. The display test
verifies that the ventilator displays are working correctly.
To run the display test:
1) Press Select while DISPLAY is showing.
2) All segments of the 7-segment control displays; all dots of the dot-matrix window
displays and all LEDs are illuminated.
3) To end the display test, press Select again and the next menu item is displayed.
NOTE
The displays for the External Power, Vent Inop, and Charge Status LEDs are not tested
by the display test.
The External Power and Charge Status LEDs are tested when the AC adapter is
connected to the ventilator (see page 2-2).
The Vent Inop LED is tested during the Vent Inop alarm test (see page 2-10).
Although the LTV®1200 Front Panel is shown, the test is applicable to the LTV®1150
and 1100 Ventilators.

p/n 18603-001, Rev. J LTV®1200, 1150, and 1100 Ventilator Service Manual Page 2-5
Displays illuminate in the following colors:
Display Color Display Color
Airway Pressure Display Green Assist/Control Mode LED Green
Display Window Red SIMV/CPAP Mode LED Green
Breath Rate Green NPPV Mode LED Green
Tidal Volume Green Inspiratory / Expiratory Hold
LED2
Green
Pressure Control2Green Manual Breath LED Green
Inspiratory Time Green Low Pressure O2Source LED3Green
Pressure Support Green Control Lock LED Green
O2% (O2Flush)3Green PEEP Green
Sensitivity Green Patient Effort LED Green
High Pressure Limit alarm Red External Power LED Not tested
Low Pressure alarm Red Charge Status LED Not tested
Low Minute Volume alarm Red Battery Level LED Amber
On/Standby LED Green Vent Inop LED Not tested
Volume Mode LED2Green Silence Reset LED Red
Pressure Mode LED2Green
If the ventilator fails the display test, see Chapter 7 - Troubleshooting for more information.
2Available on the LTV®1200 and 1150 Only.
3Available on the LTV®1200 Only.