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TBird* Ventilator Series

1. 15489 15490 15493 15497 15494 F gla 15507 HE n o E 33763 o L nns ETE 9 9 1 See Below gt 0 1 1 20 A Ex 2 See Below 11 HQ 15499 E DA 3 See Below gt f m Figure 7 8 Wire Harnesses and Cable Assemblies 15489 Patient Assist Call Cable Assembly 15490 2 Panel Encoder Cable Assembly 15493 Main Power I Cable Assembly 15494 Main Power II Cable Assembly 15497 Main Blender Cable Assembly VSO2 AVS Only 15499 On Standby Cable 15501 Motor Driver Cable Assembly 15507 5 Top Cover Cable Assembly 15543 Cable Assembly Line Fuse Black 15544 Cable Assembly Neutral Fuse White 15545 Cable Assembly Ground Power Supply Green Yellow 15582 2 Cable Assembly Line Fuse Filter 15583 G Cable Assembly Neutral Line Filter 15584 2 O Cable Assembly Ground Line Filter 33763 Gas Dryer 7 10 November 1996 TBird Ventilator Series PARTS LIST Main PCB Assembly 15532 68125 68126 PT 500 PT 501 a A e 50640A IG IE BIRD
2. The procedure for calibrating the Exhalation Differential Transducer requires the use of external pressure sources and external pressure monitoring Do not select this test unless the required equipment is available External values applied during these tests will change internally stored information in the ventilator Performance and accuracy will be affected if external test equipment is not of the specified accuracy XA Note During the calibration process the manual control of the Turbine and Blender will be inhibited This is indicated by the display of OFF in their display windows Exhalation Differential Transducer Turbine Differential Transducer Airway Pressure Transducer Figure 3 5 Airway Pressure Transducer Airway Pressure Transducer Calibration 1 Press the Select Key The Monitor Window will display i Service Manual November 1996 3 7 Referring to Figure 3 5 disconnect the tubing from the Airway Pressure Transducer Press the Select Key and the Monitor Window will display Press the Select Key to enter e value to ventilator memory and to advance the monitor display to read Connect an external source of 60 0 6 cmH5O to the Airway Pressure Transducer Press the Select Key to enter this value to ventilator memory If the values are within tolerance the Monitor Window wil
3. 5 21 9 15 Fan 5 22 5 17 Patient Assist Call 5 23 5 18 Turbine Differential Pressure Transducer and Exhalation Differential Transducer 5 25 5 19 Base Plate O Rings and Anti Suffocation 5 26 5 20 Outlet Check Valve Assembly and Relief Valve Assembly 5 27 5 21 Ventilator 6 28 5 22 Docking Bay Assembly 5 29 5 23 Position 5 30 5 24 Right Side 5 31 5 25 Power Supply 5 32 7 1 Turbine Mufler Assembly 7 2 7 2 Front Panel Assembly 7 3 7 3 Rear Panel 7 4 Service Manual November 1996 xi List Of Figures Continued 7 4 Oxygen Blending Components 7 5 7 5 Base 7 7 Right Left Side Assembly 7 8 7 7 Top Cover Assembly 7 9 7 8 Wire Harnesses And Cable Assemblies 7 10 7 9 Main PCB 7 11 7 10 Power Supply PCB Assembly 7 12 List Of Tables Table Description Page Manual Organization xiv 1 1 Required 015 1 1 2 1 Recommended Schedule of Maintenance 2 1 e e 5 000 Hour Replacement Components 2 2 2 3 20 000 Hour Replacement Co
4. Bee tee eden 5 12 Mu ffler Filter Core Assembly RE he KARR 5 18 Outlet Check Valve Assembly TREE HO rh ae E 5 27 Overlay se dye ORE EA E Xa CR E EN E den 5 15 Panel Encoder Assembly e ER Rad e FER ka 5 15 Patient Assist Call ceri ewig VE rre RR edge Ea OE NI 5 23 Power Supply FG six ass coe had A dta Kec add pd ta ed 5 9 Program Memory Card and Configuration Memory Card 5 6 Protective Cover Removal exile eek ee Eee ca te ENE 5 8 Valve Assembly 2 raa eus ade s HO icd fans 5 27 Socketed LED tg ene P See GA ea ae DOE oa 5 17 NE On s serres pe ERR ERE REOR e ec ea Ea Ro pr eu oed a 5 24 ep e ee a 5 5 Turbine ASSCMDlY ext we EE se ac ee E ds 5 20 Turbine Differential Pressure 5 25 Ventilator Left and Right Side Cover Removal ener ea 5 3 Wateh Dog 5 13 Wire Harness Cable 1 5 34 Novemb
5. 5 About This Manual xiii Intended xiii Finding Information XV Conventions XV For More Information XV Safety Information em NETT SE 9 ak a eR aw p OR FR dS 5 xvii E Iu n o gi xviii Chapter 1 Introduction What This Chapter Describes 1 1 What You Need To Service The Ventilator 1 1 Required Training Or Authorization 1 1 Required 1 1 Required Power And Oxygen Sources 1 2 Chapter 2 Maintenance What This Chapter Describes 2 1 Recommended Schedule Of Maintenance 2 1 500 Hours Maintenance 2 2 5 000 Hours Maintenance 2 2 20 000 Hours Maintenance 2 3 Chapter 3 Service Verification Tests What This Chapter Describes 3 1 Service Verification Tests SVT Overview 3 1 Performing The SVT 3 2 Solenoid Test 3 5 28liBPaBblDIm s ees o EN e 3 6 Airway Pressure Transducer Calibration 3 7 Turbine Differential Pressure Calibration 3 8 Exhalation Differential Transducer Calibration 3 9 Oxygen Pressure Transducer Calibration 3 9 T
6. F402 71616 F601 7 7 E 71618 F602 aa me 03794 Figure 4 1 Power Supply 1 Locate connector 5 2 Remove the white strain relief cap from the connector 3 Connect the DVM ground to the ground stud on the rear panel of the ventilator 4 Verify the voltages in accordance with the following table Voltage 5 6 4 7 5 3 5 Vdc 6 4 7 5 3 Vdc Ground Pin10 48 Vdc 6 49 12 50 88 8 6 7 52 8 48 Vdc 11 Ground 8 6 7 52 8 48 Vdc Pin 12 48 Vdc 6 49 12 50 88 Ground Pin 13 Int S N A Internal Battery Sense 24 6 24 56 25 44 Pin 14 Ext S N A External Battery Sense Voltage 24 6 24 56 25 44 Vdc Ground Service Manual November 1996 4 17 TECHNICAL TROUBLESHOOTING EVENT DETECTION CODES This page intentionally left blank 4 18 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT CHAPTER 5 REMOVAL AND REPLACEMENT What This Chapter Describes This section of the TBird Ventilator Series Service Manual deals with the procedures for parts replacement within the TBird ventilator Tools Required Common Screwdriver Phillips Cross tip Screwdriver e Common Pliers e Needle Nose Pliers e Anti Static Wrist Strap
7. 68116 50600A AVS 50640A VS VS02 66002 2 22 68114 RE 80142 5 Figure 5 9 Front Panel Disassembly November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Panel Encoder Assembly P N 68116 Main P N 50640A VS VSO2 or P N 50600A AVS Display P N 50650A VS VSO2 or P N 50610A AVS Front Panel P N 20702 Control Panel P N 80207 VS or P N 80236 VSO Overlay P N 80208 VS or P N 80237 VSO Control Panel Overlay P N 80142 AVS 1 Perform the procedure to remove the top and side covers from the ventilator 2 Toremove the Front Panel Encoder Refer to Figure 5 9 a Remove the electrical connector from the rear of the panel encoder noting orientation b Pull on the knob P N 20794 to remove it from the encoder shaft c Perform the procedure to remove the front panel and overlay from the ventilator without unplugging the cables to the Main PCB d Using 1 2 nut driver or socket remove the mounting nut from the encoder P N 68116 and remove the panel encoder through the inside of the ventilator f Effort Airway Pressure
8. Figure 5 21 Ventilator Base Ji 1 Remove the ventilator from external AC and ensure that the power switch is in the Standby position 2 Turn the ventilator upside down and set it down on its top 3 Referring to Figure 5 21 remove the following from the base of the ventilator Four 4 Rubber Bumpers Ref 1 Two 2 Screws Ref 2 amp 3 5 28 November 1996 TBird Ventilator Series REMOVAL AND REPLACEMENT 4 Remove the external battery pack from the docking bay if installed 5 Position the docking bay above the base of the ventilator 6 Using the screw provided attach the green yellow wire with the ring terminal to the nut insert indicated in Figure 5 22 Ref 1 o8 Figure 5 22 Docking Bay Assembly Service Manual November 1996 5 29 Figure 5 23 8 Position Connector 7 Referring to Figure 5 23 remove the white plastic cover from the 8 position connector 8 Starting with the 8 position connector pass the cables from the docking bay through the slot in the base of the ventilator indicated in Figure 5 22 ZX caution AM When aligning the docking bay on the bottom of the ventilator ensure that the cables are not pinched between the upper and lower mating surfaces
9. Figure 5 10 Front Panel Encoder Removal 3 To remove the control panel and overlay a Disconnect the two 2 ribbon cables in the lower corners of the Main PCBA Refer to Figure 5 9 Service Manual November 1996 5 15 b 4 Remove the two 2 screws from the upper corners of the control panel Refer to Figure 5 10 Ref 2 Using small screwdriver in the screw holes pull the upper edge of the control panel foward and up to disengage the retaining tabs at the bottom of the panel Gently remove the control panel with particular attention to the ribbon cables as they clear the slots in the front panel 4 To remove the Main PCBA or Display PCBA a b 4 f g Disconnect the pneumatic and electrical connections from the Main PCBA Remove the two 2 screws from the lower part of the front panel Refer to Figure 5 10 Ref 1 and remove the front panel from the ventilator Remove the eight 8 screws securing the Main and Display PCBs to the front panel Note that one 1 mounting screw is on the alarm Refer to Figure 5 8 Ref 1 Disconnect the two 2 ribbon cables attached to the lower corners of the Main PCBA Refer to Figure 5 8 Ref 2 Remove the Main and Display PCBs from the front panel Gently disengage the connector in the lower left corner of the of the two 2 PCBs Y amp Note If returning the Main PCBA do not return the Memory Cards or the Turbine Calibrati
10. 30005 3 Al p PS 30017 31023 25 O 20865 Figure 5 20 Outlet Check Valve Assembly and Relief Valve Assembly 1 To replace components of the Outlet Check Valve Assembly a Perform the procedure to remove the right cover from the ventilator b Referring to Figure 5 20 remove the cover plate P N 20786 using a short Phillips screwdriver and withdraw the components 2 To replace components of the Relief Valve Assembly a Perform the procedure to remove the top and side covers from the ventilator b Perform the procedure to remove the front panel from the ventilator c Referring to Figure 5 20 back out the Relief Valve Adjuster P N 20865 and remove it and its components from the ventilator When installing the Relief Valve insure that the adjuster is screwed sufficiently to avoid interference when the Front Panel is installed Service Manual November 1996 5 27 AL AND REPLAGEMENT 00000000 Installation of the External Docking Bay requires access to the interior of the ventilator It is intended to be performed by a Bird Certified Service Technician who is trained to work on the TBird Ventilator Series Improper installation of the Docking Bay can damage the ventilator and void the warranty LY ow or Gpo e e I Ug FRONT e C gt
11. 5 19 Turbine Assembly 5 20 Blender 5 21 Fan 5 22 Inlet PIEBI aka ee ep dow kes 5 22 Fan EMI FilEBP eed 39 4 5 22 Patient Assist Call 5 23 Standby On Switch 5 24 Fuse Halde ocd Bh de he ee F 5 24 Alarm Loudness Potentiometer 5 24 ENIBFLFIGER cgs xe a hee 5 24 Service Manual November 1996 ix Turbine Differential Pressure Transducer 5 25 Exhalation Differential Pressure Transducer 5 25 Base Plate 5 5 26 Anti Suffocation 5 26 Outlet Check Valve Assembly 5 27 Relief Valve Assembly 5 27 External Docking 5 28 Wire Harness And Cable Assemblies 5 34 Chapter 6 Schematics Wiring And Pneumatic Schematic 6 1 sip Er 6 2 Power Supply 6 17 Main PGBA Cc 6 23 Display PCBA 6 36 Blender bea eed eka 6 40 External Battery Charger 6 41 Patient Assist Call 6 42 Chapter 7 Parts List What This Chapter Describes 7 1 Turbine Muffler Assembly 7 2 Front Panel Assembly 7 3 Rear Panel Assembly 7 4 Oxygen Blending Compo
12. TIRIS module is not operating correctly Service Manual November 1996 4 5 TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion i Oxygen inlet pressure has risen 1 Reduce O supply pressure TBird AVS and VSO only above 65 psi This only occurs when below 65 psi FIO is set above 21 or 100 2 Check calibration of O 3 Min has been activated Pressure Transducers described in the SVT chapter of this manual 3 Replace Blender PCB Pressure in the patient circuit isnot 1 Check patient circuit for returning to within 15 cmH 0 of occlusion in the expiratory leg the setting after an inspiration 2 Check exhalation manifold for proper assembly and patency of the exhalation diaphragm Check transducer calibration Replace exhalation valve body 5 Replace exhalation valve The ventilator has attempted to 1 Evaluate patient status exceed the High Pressure Alarm 2 Evaluate setting of High Setting Pressure Alarm 3 Check for conditions with the patient circuit which may have decreased compliance Verify that front panel settings have not been changed Perform transducer calibration procedures as described in the SVT chapter of this manual November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion This indicates that continuous monit
13. rre Ea 5 26 base Plate 695 ive de eed yu een 5 26 Blender Assembly veven eae aaa VEI 5 21 Configuration Memory Card csi curds anetatener cbe d s 5 6 ControbkbPanel ede EE EP AE ce S tud ua 5 15 Display PCBA v rter CER eR b aigu 5 15 Dot Matrix Displays y Pe 5 17 5 24 Energy Storage ca RR T CIE ERE 5 10 Exhalation Differential Pressure Transducer 5 25 Exhalation Valves i orna Met Heli ET 5 19 External Docking suus ud Faune I Eu ugs qs Eds 5 28 tono E r R RT 5 22 Fan EMI Filter ERE Ed RAN RR eee EE 5 22 Pandnlet Palter se ispere 5 22 set 5 14 Fuse Folder 22x ue seb enu he hg eed EE Uu aed She ated be ve ee 5 24 Internal Batteries sa ch Reed xxu aded 5 10 Main PCBA ania dee athe E RE ERE esse ke nae 5 15 Motor Controller PCBA
14. 5 30 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 9 Referring to Figure 5 22 align the captive retaining screws Ref 2 with the mounting inserts where the rubber feet and screw Figure 5 21 Ref 2 were removed and tighten with the Phillips screwdriver 10 Turn the ventilator back to the upright position caution MA The power supply of the ventilator is mounted to the side cover that is about to be removed Pull it away from the ventilator slowly so as not to dislodge any electrical connections REMOVE Figure 5 24 Right Side Cover 11 Remove the four 4 screws from the right side of the ventilator as shown in Figure 5 24 Service Manual November 1996 5 31 YELLOW WIRE BLACK WIRE RED WIRE Ferrite Choke th Figure 5 25 Power Supply PCBA 12 Remove connectors J5 and J1 from the power supply as indicated in Figure 5 25 13 Un snap the hinge on the Ferrite Choke provided with the docking bay and place it around the cables coming from the docking bay Re snap the hinge insuring that it is securely locked in place 14 Replace the white cover onto the 8 position connector that was removed in step 6 5 32 November 1996 TBird Ventilator Series REMOVAL AND CEMENT 00000000 15 Move the right cover away from the ventilator and connect the cables coming from the docking bay to the power supply as indicated in Figure 5
15. 1995 TURBINE EEPROM S N XXXXXXXXXX Figure 7 9 Main PCB Assembly N A Turbine Calibration EEPROM Sold only with Turbine Assy 15430 15532 Programmed Watch Dog PAL 15546 Program Memory Card 68125 2 Turbine Differential Pressure Transducer 68126 2 Exhalation Differential Pressure Transducer 50600A Main AVS 50640A 2 Main PCBA VS VSO Service Manual November 1996 7 11 ARTS LIST Power Supply PCB Assembly Figure 7 10 Power Supply PCB Assembly 03794 Fuse F401 5A SB 5x20 mm e 50590 2 PowerSupply 71616 Fuse F402 1A SB SMT e 71617 Fuse F603 2 5A SB SMT 71618 Fuse F601 amp F602 3 5A SB SMT 7 12 November 1996 TBird Ventilator Series INDEX INDEX 500 Hour Maintenan
16. Integrated Circuit Removal Tools e Thin Walled 11 32 Socket or Nut Driver In most cases reassembly is simply a reversal of the disassembly process If there are any special instructions they will be added at the end of the removal process The following WARNINGS and CAUTIONS should be read and understood before accessing the interior of the ventilator A WARNING Electrical shock hazards present within the ventilator even after AC power has been removed It is recommended that the top cover be electrically unplugged to disconnect the batteries from the ventilator CAUTIONS Appropriate measures to prevent ESD damage to electronic components must be taken e Wear a properly grounded and tested anti static wrist strap when handling 5 e Work on an anti static surface Always use anti static material for packaging PCB s Attached to the top cover of the ventilator is a large energy storage capacitor that may have some residual charge Use extreme care not to allow any conductive material to contact the electrical connections Service Manual November 1996 5 1 Table of Contents Part Page 7 Segment Red Display vaare EXP d PEE ea d 5 17 7 Segment Yellow Displays cordes ssh ut RECUERDE dH RR Ip EEE p pd 5 17 Alarm Loudness Potentiometer 5 24 Anti Suffocation 4
17. This indicates loss of some power supply voltage Check all of the connectors to the power supply for secure connections Check the fuses on the power supply PCB Check the power supply voltages per the diagram in the back of this section Replace the power supply Replace the main PCB Service Manual November 1996 4 15 TECHNICAL TROUBLESHOOTING GENERAL MALFUNCTIONSES Symptom Suggestions The ON indicator on the front panel illuminates 1 This indicates that the ventilator is not detecting Program Memory card installed amber yellow when the 2 Install known functional Program Memory Card Power Switch is turned on 3 Insure that the Program Memory Card is plugged into the rear slot Ventilator is inoperative and is securely seated in the receptacle 4 Check for damage to the pins in the card receptacle Either the Internal or 1 This indicates that one or both battery sets is not able to accept External Battery Charge charge and will not power the ventilator Indicator is illuminated 2 Check the fuse on the power supply If it is open this may occur red and remains red for 3 Replace the malfunctioning battery set with one that is known to gt 24 hours function November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING EVENT DETECTION CODES J5 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 J5 Pin 8 Pin 9 Power Supply Voltage Check
18. known functional unit Ventilator has powered CPAP Mode or CPAP Mode is selected 1 Verify that Apnea Back Up ventilation parameters are appropriately set 1 Check the definition of the stored event codes as described in Appendix G of the TBird Operator s manuals and perform suggested remedies 2 Contact Bird Certified Service Technician Errors have been detected forcing a machine reset This is a prompt to investigate which events caused this to occur 4 2 November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion This may be caused by one of the following circumstances 1 Check for occlusions of the patient circuit 2 Check the pressure transducers for possible drift 1 The turbine differential pressure has exceeded the High Pressure Limit setting by an excessive amount 2 Aflow rate of 150 LPM has persisted for 2 seconds 1 Check for a disconnect in the patient circuit 2 Check the pressure transducers for possible drift 3 A problem exists with one of 1 Check the transducer for the internal transducers possible drift 1 Enter desired ventilator parameters This will occur as an intended operation when the program memory or configuration memory cards are installed 1 Enter desired ventilator parameters 2 Replace Main PCBA It may also occur when ventil
19. EXCEPT AS TO TITLE AND CAN BE AMENDED ONLY IN WRITING BY A DULY AUTHORIZED REPRESENTATIVE OF BIRD Service Manual November 1996 iii Copyright Notice Copyright O 2000 by Bird Products Corporation Palm Springs California This work is protected under Title 17 of the US Code and is the sole property of Bird Products Corporation No part of this document may be copied or otherwise reproduced or stored in any electronic information retrieval system except as specifically permitted under US copyright law without the prior written consent of Bird Products Corporation For more information contact World Headquarters Bird Products Corporation 1100 Bird Center Drive Palm Springs CA 92262 8099 USA Phone 760 778 7200 800 328 4139 Fax 760 778 7274 Trademark Notices TBird is trademark of Bird Products Corporation All other brand names and product names mentioned in this manual are trademarks registered trademarks or trade names of their respective holders iv April 2000 Rev B TBird Ventilator Series Service Manual PLEASE Read this entire manual before attempting to service the ventilator Attempting to service the ventilator without fully understanding its features and functions may result in unsafe operating conditions Read the Safety Information section located immediately after the About This Manual chapter It lists warnings cautions and notes pertinent to the safe servicing of the ven
20. 5 17 1 Perform the procedure to remove the top and side covers from the ventilator 2 Disconnect the wires from the filter and note the location 3 Remove the two 2 nuts securing the filter to the rear of the ventilator and remove the filter from the ventilator 5 24 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Turbine Differential Pressure Transducer P N 68125 Exhalation Differential Pressure Transducer P N 68126 Turbine Exhalation Differential Differential Transducer Transducer BIRD 1995 D TURBINE EEPROM S N XXXXXXXXXX 00000000000 0000000000000000000000 Figure 5 18 Turbine Differential Pressure Transducer and Exhalation Pressure Differential
21. 71612 Fuse 3 15 two required 20946 2 Power Cord Not Shown 20888 Cord Wrap four required November 1996 TBird Ventilator Series PARTS LIST Oxygen Blending Components 15581A 32039 00666 TBird VS Figure 7 4 Oxygen Blending Components 33535 20929 TBird V502 AVS 00666 1 4 ID Green Tubing 50 ft Bulk Only TBird VS 09722 Spring 15581A Blender Assembly 20929 2 Bleed Tube 32039 2 Bulkhead Fitting 33535 Isolation Grommet TBird VSO2 AVS 33772 Plug TBird VS 80220 Label TBird VSO2 AVS 80253 2 Label TBird VS 50 ft bulk only Service Manual November 1996 PARTS LIST 9 10346 49 20786 i 24 mU 20819 20701 30019 44021 31025 15580 AVS 15429A VS VSO2 30005 HY 20889 S 2 05625 5 20117 VS VSO2 amp Q 1 30018 15571 AVS G EEE
22. Check patient circuit and 5 alarm x exhalation valve body for leaks 2 3 Evaluate the setting of the Low Peak Pressure alarm 2 4 Verify that front panel settings ja have not been changed 5 Perform transducer calibration procedures described in the SVT chapter of this manual November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion Measured exhaled volumes have fallen below the Low Minute Volume setting 1 2 Verify that the front panel Evaluate patient status settings have not been changed Check for leaks in the patient circuit and exhalation valve body 4 Verify the delivered volumes as shown in the procedure at the end of this chapter Alert T Bird AVS only New AVS Exhalation Valve Body has been detected This is a normal function when a new valve is detected If alert persists for more than one minute treat the same as the Flow Sensor Alert i Alert Stored transducer calibration data does not match validation code stored in EEPROM Perform transducer calibration procedures as described in the SVT chapter of this manual 2 Replace Main PCB POST detected malfunction in the MSP Verify proper software installation 2 Replace software 3 Replace Main PCB During POST the IOP has failed to 1 Replace Main PCB in
23. Figure 3 1 4 Turn the ventilator ON After the ventilator completes the Power On Self Test the Monitor Window will display zT UM XZA Note When the SVT is entered the audible alarm will be automatically enabled to alert the operator that this mode is being activated Alarm Silence must be pressed to cancel the alarm Vent Setup Group Bias Flow Control Lock Turbine P e Language X Hour Meter Versions Alarm Setup Group Apnea Interval Remote Status _ Service Verification Tests Solenoid Calibration Turbine SN Watch Dog Test User Verification Transducer Tests Data Group Used to view internal See Chapter 7 transducer readings Operators Manual Transducer Test Group Event Codes Group Used to test the internal transducers Used to view the previous 256 event codes Figure 3 2 Special Functions Groups Service Manual November 1996 3 3 As shown in Figure 3 2 all of the basic features of special functions UVT are available Rotating the Set Value Knob will display the available options in the Monitor Window While the ventilator is in the SVT mode three or four control panel displays will be illuminated depending on the unit model The Tidal Volume display represents the RPM of the turbine It may be changed by first pressing the button below the display and rotating the Set Value Kn
24. Switch Standby On 5 24 System Event Detection Codes 4 11 T Text Strip Sets 5 14 7 3 Tools required 1 1 5 1 Top Cover 5 5 7 9 Transducer Turbine Differential Pressure 5 25 Transducer Exhalation Differential Pressure 5 25 Troubleshooting Apnea 4 2 Troubleshooting Battery On 4 2 Troubleshooting Check Bkup 4 2 Troubleshooting Check Events 4 2 Troubleshooting Circ Fault 4 3 Troubleshooting Defaults 4 3 Service Manual Troubleshooting 1 4 3 Troubleshooting 2 4 3 Troubleshooting EEPROM Fault 4 3 Troubleshooting Ext Battery 4 3 Troubleshooting Fan Fault 4 4 Troubleshooting Filter 4 4 Troubleshooting Flash Update 4 4 Troubleshooting Flow Cal 4 5 Troubleshooting Flow Sensor 4 5 Troubleshooting High 2 4 6 Troubleshooting High PEEP 4 6 Troubleshooting High Pres Alarm 4 6 Troubleshooting HW Fault 4 7 Troubleshooting IOP CPU Timer amp RAM 4 7 Troubleshooting IOP DPRAM 4 7 Troubleshooting IOP XRAM 4 7 Troubleshooting IOP XROM 4 7 Troubleshooting Limited Alert 4 7 Troubleshooting Locked Alert 4 8 Troubleshooting Low Battery 4 8 Troubleshooting Low 02 4 8 Troubleshooting Low Pres Alarm 4 8 Troubleshooting Low Volume Alarm 4 9 Troubleshooting No Cal Data 4 9 Troubleshooting New Sensor 4 9 Troubleshooting Power Up 4 9 Troubleshooting Release IOP 4 9 Troubleshooting Remote Fault 4 9 Troubleshooting ROM 1 4 10 Troubleshooting SRAM 4 10 Troubleshootin
25. Transducer 1 Perform the procedure to remove the top and side covers from the ventilator 2 Referring to Figure 5 18 label or note the position of the pneumatic connections to the pressure transducer and remove them Remove the two 2 screws retaining the pressure transducer to the Main PCBA 4 Unplug the pressure transducer from the Main PCBA 5 After installing the new transducer perform the transducer calibration procedure as described in Chapter 3 SVT of this manual Service Manual November 1996 5 25 Base Plate O Rings Anti Suffocation Valve P N 20746 P N 30018 P N 04358 go 30023 Figure 5 19 Base Plate O Rings and Anti Suffocation Valve 1 Place the ventilator upside down on the work surface 2 Referring to Figure 5 19 remove the four 4 rubber bumpers from the base plate 3 Remove the ten 10 screws securing the base plate to the ventilator chassis and remove the base plate 4 Ifreplacing the base plate o rings insert them into the lands as shown 5 Ifreplacing the anti suffocation valve place the tail of the valve from the inside of the base plate and pull the tail through using caution as not to break the tail 5 26 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Outlet Check Valve Assembly Relief Valve Assembly 10346 20786 ES s E E 31025
26. a software malfunction and tests to see if it is properly handled These abilities allow simulation of wide variety of situations and with the monitoring of transducer information can be valuable troubleshooting tool Performing The SVT To perform the SVT you must access the inside of the ventilator This is intended for use by a Bird Factory Trained technician Additionally it requires the use of test equipment whose accuracy is known and that have been recently calibrated If the test equipment is not available the unit should be returned to Bird Products for proper calibration 1 Place the On Standby switch to the Standby position Refer to the Removal and Replacement section of this manual for removal of the sides and top of the ventilator 2 Locate DIP Switch 1 on the Main PCBA 1 IVF gt ON Figure 3 1 Main PCBA 3 2 November 1996 TBird Ventilator Series SERVICE VERIFIC ION TESTS 3 Place DIP Switch 1 in the ON position This is towards the inside of the ventilator as shown in
27. rocr n Roa 7 8 Top Cover Assem0ly risi RE IDEE rbk 7 9 Turbine Muffler Assen cic FERE eR dE LE xe e dU F 7 2 Wire Harnesses and Cable Assemblies cs d caes TENERA XU e ded 7 10 Service Manual November 1996 7 1 ARTS LIST Turbine Muffler Assembly 33738 71597A Wu 15430A 20712 Figure 7 1 Turbine Muffler Assembly 30020 20805 10365 Muffler Filter Core Assembly 15430A 2 Turbine Assembly Includes Turbine EEPROM and Harness 20712 Muffler Tube 20714 Muffler Tube 20754 gt Turbine Base Gasket 20805 90 Degree Elbow 30020 O Ring 33738 Isolator Grommet 71597A 2 Motor Driver PCBA November 1996 TBird Ventilator Series PARTS LIST Front Panel Assembly 68136 03773 68116 50650A 5 502 50610A AVS 50600A AVS 50640A 5 502 20702 Uy 66002 68114 80236 VSO2 OR 80207 VS 80237 VSO2 OR 80208 VS BELLI TEXT STRIP SETS AVS 80254 BAS
28. six 6 screws holding the end caps on the muffler tube and remove the caps and elbows as an assembly 5 Using a pair of pliers grasp the inner screen of the rear filter Ref 1 and using a clockwise pulling motion remove the element from the tube 6 Referring to Figure 5 12 insert the element with the filter into the tube using a clockwise insertion motion 7 Remove and replace the remaining element Ref 2 as described above caution Before assembling the ventilator be sure to double check the alignment of connector J5 Misalignment of this connector can cause catastrophic damage to the Power Supply and or the Main PCB 5 18 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Exhalation Valve P N 15429 To Main PCBA J401 100 lt gt EJ To Dryer and Proximal Transducer 9 Figure 5 13 Exhalation Valve 1 Perform the procedure to remove the top and side covers from the ventilator 2 Remove the Exhalation Body and Exhalation Diaphragm from the ventilator Y amp Note Referring to Figure 5 13 the two outside tubes should be labeled as 2 and 3 with plastic bands If they are not label these tubes with masking tape or make drawing for correct assembly 3 Remove the three 3 pneumat
29. the ventilator series Please refer to the TBird VS VSO Operator s Manual P N 11310 and the TBird AVS Series Operator s Manual P N L1331 for complete information on the operation of the TBird ventilator series What You Need To Service The Ventilator To service the ventilator you need the following Training or authorization from Bird Products e Required tools as specified below e Power and oxygen sources Required Training Or Authorization Only Bird certified and authorized service personnel are permitted to service the ventilator If you are not certified or authorized please do not attempt to perform any of the service procedures listed in this manual Required Tools components of the TBird ventilator can be removed and replaced using the tools listed Table 1 1 These tools can be acquired from your local hardware store or supplier Bird Product s does not sell these tools Table 1 1 Required Tools Phillips Cross tip screwdriver Pliers Needle Nose Pliers Thin Walled 11 32 socket or nut driver IC removal tools Anti static wrist strap Common screwdriver Service Manual November 1996 1 1 INTRODUCTION Required Power And Oxygen Sources To operate the ventilator you need power source and oxygen source e Power Source The ventilator operates from a standard 100 110 220 or 240 VAC power source the internal battery or an optional external 48 Supply 4
30. to the top cover of the ventilator is a large energy storage capacitor that may have some residual charge Use extreme care not to allow any conductive material to contact the electrical connections The Power Supply is mounted to the right side cover of the ventilator Removal must be done carefully to ensure that wire harnesses are not strained and that the Power Supply components are not allowed to contact electrically conductive materials of the ventilator including the shield coating on the inside of the ventilator When handling the Program Memory Card and contacting the inside of the ventilator precautions must be taken to avoid ESD damage An anti static wrist strap should be worn and correctly grounded while performing this procedure At a minimum always touch the copper colored coating inside of the chassis to equalize potential charges prior to placing the card in the ventilator Before assembling the ventilator be sure to double check the alignment of connector J5 Misalignment of this connector can cause catastrophic damage to the Power Supply and or the Main PCB Prior to cover removal disconnect AC power from the wall source and ensure that the Stand By On Switch is in the Stand By Position Service Manual November 1996 This page intentionally left blank XX November 1996 TBird Ventilator Series INTRODUCTION CHAPTER 1 INTRODUCTION What This Chapter Describes This chapter describes what you will need to service
31. x 12 VDC batteries The ventilator comes factory equipped with a built in battery capable of providing power during short term patient transports or AC power interruptions The optional external battery can be used for longer term support e Pressurized Oxygen The compressed oxygen source must provide clean dry medical grade oxygen at a line pressure of 40 to 60 PSIG 2 8 to 4 2 bar Low Pressure Oxygen VS only The low flow oxygen source must provide clean medical grade oxygen at flows of 0 to 80 Ipm and a pressure not exceeding 0 5 PSIG 0 35 bar 1 2 November 1996 TBird Ventilator Series MAINTENANGE 2 MAINTENANCE What This Chapter Describes This chapter describes the recommended maintenance to be performed on the ventilator after 500 5 000 and 20 000 hours of operation After reading this chapter you will understand e What scheduled maintenance is required and when it is required How to perform the required maintenance Recommended Schedule of Maintenance The TBird ventilator is designed to operate for long periods of time with very little maintenance Table 2 1 gives a recommended schedule for maintaining the ventilator and describes the tasks that should be performed at each of the scheduled maintenance times Table 2 1 Recommended Schedule Of Maintenance Schedule Maintenance Every 500 Hours Clean the air intake and fan intake filters replacing them if necessary Check the ex
32. 15465A VS VSO2 1 30023 20511 gt S 30005 Q 20865 04358 33766 Figure 7 5 Base Assembly 7 6 November 1996 TBird Ventilator Series PARTS LIST Base Assembly 04358 O Ring Baseplate 737 ID 10384D 2 Exhalation Diaphragm Poppet Assembly 10 pack 15429A Exhalation Valve 15465A Exhalation Body Flow Sensor Assembly 5 502 20117 Barrel Seal 20511 Poppet 20743 Heating Duct Cover 20746 gt Baseplate 20819 Rear Inlet Filter 20865 2 Relief Valve Adjuster 30005 gt O Ring Relief Valve Poppet 30017 O Ring Relief Valve Adjuster 31023 2 Spring 30018 O Ring Baseplate 2 3 ID 30023 2 O Ring Baseplate 1 612 ID 33766 Rubber Bumper 44021 U Nut 20701 Base 15580A Exhalation Valve AVS 15571A Exhalation Body Flow Sensor Assembly AVS 10346 Inspiratory Hold Solenoid 20786 Cover Inspiratory Hold 20651 Valve 13116 Umbrella 05625 Valve 1 0 Umbrella 20889 Piston Inspiratory Valve 31025 5 Spring 30019 O Ring Service Manual November 1996 7 7 ARTS LIST Right Left Side Assembly 50590A 20808R 20700R 20915 vs 20916 vso2 20917 Avs Figure 7 6 Right Left
33. 2 IOP RAM 4 7 BATTERY ON 4 2 IOP ROM 4 7 CHECK BKUP 4 2 IOP TIMER 4 7 CHECK EVENTS 4 2 IOP XRAM 4 7 CIRC FAULT 4 3 LIMITED 4 7 DEFAULTS 4 3 LOCKED 4 8 DPRAM 1 4 3 LOW BATTERY 4 8 DPRAM2 4 3 LOW O 4 8 EEPROM FAULT 4 3 LOW PRES 4 8 EXT BATTERY 4 3 LOW VOLUME 4 9 FAN FAULT 4 4 NEW SENSOR 4 9 FILTER 4 4 NO CAL DATA 4 9 FLASH UPDATE 4 4 POWER UP 4 9 FLOW CAL 4 5 RELEASE IOP 4 9 FLOW SENSOR 4 5 REMOTE FAULT 4 9 HIGH 4 6 ROM 1 4 9 HIGH PEEP 4 6 SRAM 4 10 HIGH PRES 4 6 TIMER 4 10 HW FAULT 4 7 TURBINE ROM 4 10 IOP CPU 4 7 WATCHDOG PAL 4 10 IOP DPRAM 4 7 XDCR FAULT 4 10 IOP IRAM 4 7 Service Manual November 1996 TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion Time between detected inspirations has exceeded the set Apnea Interval 1 Evaluate patient status 2 Verify that Apnea Interval is at appropriate setting 3 Verify Sensitivity setting 4 Perform Auto Zero on Transducers 5 Check replace Flow Transducer Operating on Battery Power Internal or External Battery This will occur if e AC power has been lost from the ventilator Internal wiring has become disconnected e A power supply malfunction is simulating an AC loss 1 Check power cord for secure connections 2 Check fuse s Check wall AC receptacle 4 Check all internal connections associated with AC See Chapter 6 Schematics of this manual 5 Replace power supply with
34. 25 and in accordance with the following The 8 position connector attaches to J3 with the locking tab in the upper position The black wire connects to terminal E1 The yellow wire connects to terminal E2 The red wire connects to terminal E3 16 Connect the two harnesses to J1 and J5 that were previously removed caution Before assembling the ventilator be sure to double check the alignment of connector J5 Misalignment of this connector can cause catastrophic damage to the Power Supply and or the Main PCB 17 Install the right side cover to the ventilator 18 Install the external battery pack into the docking bay 19 Plug the ventilator into AC power and verify that the charge indicators for both the internal battery adn the external battery are illuminated green or yellow 20 Attach a patient circuit to the ventilator and turn it on 21 Perform the checkout procedure as described in the TBird Operator s Manual 22 Place the ventilator into Standby and allow the internal and external batteries to charge for approximately 11 hours 23 Verify that both charge indicators are illuminated green after the 11 hour charge period Service Manual November 1996 5 33 Wire Harness and Cable Assemblies 1 Remove the top and side covers from the ventilator Y amp Note Prior to removing a harness from the ventilator it is advisable to label it first Also note the connec
35. 996 TBird Ventilator Series THE TBIRD VENTILATORY SYSTEMS WARRANTED BE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP AND TO MEET THE PUBLISHED SPECIFICATIONS FOR TWO 2 YEARS OR 8 000 HOURS WHICHEVER OCCURS FIRST The liability of Bird under this warranty is limited to replacing repairing or issuing credit at the discretion of Bird for parts that become defective or fail to meet published specifications during the warranty period Bird will not be liable under this warranty unless A Bird is promptly notified in writing by Buyer upon discovery of defects or failure to meet published specifications B the defective unit or part is returned to Bird transportation charges prepaid by Buyer C the defective unit or part is received by Bird for adjustment no later than four 4 weeks following the last day of the warranty period and D Bird s examination of such unit or part shall disclose to its satisfaction that such defects or failures have not been caused by misuse neglect improper installation unau thorized repair alteration or accident Any authorization of Bird for repair or alteration by the Buyer must be in writing to prevent voiding the warranty In no event shall Bird be liable to the Buyer for loss of profits loss of use consequential damage or damages of any kind based upon claim for breach of warranty other than the purchase price of any defective product covered hereunder Bird warr
36. ATION BIRD PRODUCTS CORP T Bird AVS VS Part Number 15546 Version 5661 Budog Figure 5 8 Main PCB Watch Dog PAL Perform the procedure to remove the top and side covers from the ventilator 2 Referring to Figure 5 10 Ref 1 remove the two 2 screws that secure the front panel assembly to the ventilator base and rock the front panel forward 3 Referring to Figure 5 8 locate the Watch Dog PAL on the Main PCB 4 Using IC extraction tool remove the PAL and place the chip in appropriate anti static material 5 Install the new PAL using caution as to proper pin alignment and position of pin 1 indicated by the notch in the PAL IC Do Not rely on the orientation of the label for IC installation Service Manual November 1996 5 13 68136 50650 VS VS02 50610 5 20702 80236 VSO2 OR 80207 VS 80237 VSO2 OR 80208 VS 20794 TEXT STRIP SETS AVS 80191 80255 80254 BASIC 03773
37. IC 7 2 Front Panel Assembly 03773 87 Segment Display Red 68136 Dot Matrix Display 20702 Front Panel 80142 Control Panel AVS 20794 Control Knob 80191 Text Strips AVS III 50600 gt Main PCBA AVS 80207 2 Control Panel TBird VS 50610A e Display PCBA AVS 80208 Overlay TBird VS 50640 s Main PCBA 80236 2 Control Panel TBird VSO 50650A Display PCBA 80237 Overlay TBird VSO 66002 Rectangular Red LED 80254 2 Text Strips AVS Basic Vent Only 68114 27 Segment Display Yellow 80255 2 Text Strips AVS II 68116 Optical Encoder e Service Manual November 1996 7 3 ARTS LIST Rear Panel Assembly 33749 20884 50570A p 68162 33759 15027G 20910 Figure 7 3 Rear Panel Assembly 15027G Alarm Loudness Control Includes Cable 15500 2 Fan Assembly Includes Cable 68162 EMI RFI Filter 20689 Rear Panel 20884 Cover Plate Interface 33528 e Optical Interface Connector AVS only 33749 Fan Air Filter w Grill 33759 Fan EMI Filter 50570A Patient Assist Call PCB 68153 2 Stand Switch 68159 Fuse Holder two required
38. ION CAUTION Performing the 5 000 hour maintenance requires access to the interior of the ventilator It is intended to be performed by a Bird Factory Trained technician The technician should be familiar with appropriate ESD Electro Static Discharge prevention techniques to avoid damage to electronic components 1 Remove the left and right side panels from the ventilator as described in Chapter 5 Removal amp Replacement 2 2 November 1996 TBird Ventilator Series MAINTENANGE 2 Remove and replace the Muffler Filter Cores and O Rings as described in Chapter 5 Removal amp Replacement XZA Note If the inlet filter to the turbine is found to be excessively dirty the interval between replacement of the internal filter should be reduced to prevent malfunction or damage to the ventilator 3 Reassemble the ventilator but do not install the left side panel so that the SVT may be performed later in this procedure 4 Check the exhalation valve body O rings and diaphragm and replace them if necessary Refer to the TBird Operator s Manual Chapter 9 Cleaning amp Sterilization 5 Replace the Fan Filter and the Air Inlet Filter Refer to the TBird Operator s Manuals 6 Perform the UVT as described in the TBird Operator s Manual and the SVT as described in this manual 7 Ensure that DIP switch 1 is in the OFF position 8 Reassemble the left side panel 9 Perform the operational check as descri
39. Malfunctions Delivered Volumes 4 14 Malfunctions General 4 13 Malfunctions Keys 4 15 Malfunctions Monitored Exhaled Volumes 4 13 4 14 Malfunctions ON Indicator 4 15 Malfunctions Oxygen Concentrations 4 13 Malfunctions Peak Flow 4 15 Malfunctions Pressure Alarms 4 15 Malfunctions Sensitivity 4 14 Memory Card Program 5 6 Messages 4 1 Message Apnea 4 2 Message Battery On 4 2 Message Check Bkup 4 2 Message Check Events 4 2 Message Circ Fault 4 3 Message Defaults 4 3 Message DPRAM 1 4 3 Message DPRAM 2 4 3 Message EEPROM Fault 4 3 Message Ext Battery 4 3 Message Fan Fault 4 4 Message Filter 4 4 Message Flash Update 4 4 Message Flow Cal 4 5 Message Flow Sensor 4 5 Message HW Fault 4 7 Message High O2 4 6 November 1996 Message High PEEP 4 6 Message High Pres Alarm 4 6 Message IOP CPU Timer amp RAM 4 7 Message IOP DPRAM 4 7 Message IOP XRAM 4 7 Message Limited Alert 4 7 Message Locked Alert 4 8 Message Low Battery 4 8 Message Low O2 4 8 Message Low Pres Alarm 4 8 Message Low Volume Alarm 4 9 Message New Sensor 4 9 Message No Cal Data 4 9 Message Power Up 4 9 Message Release 4 9 Message Remote Fault 4 9 Message ROM 1 4 9 Message SRAM 4 10 Message Timer 4 10 Message Turbine ROM 4 10 Message Watchdog Pal 4 10 Message XDCR Fault 4 10 Monitored Exhaled Volumes 4 13 4 14 Monitor Window Messages 4 1 Motor Controller 5 12 Muffler 7 2 Muffler Filter Cor
40. November 1996 4 7 TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window e Description Suggestion 2 Operator has attempted to change control setting while the ventilator Press the Set Value Knob to release the locking function 5 has Control Locks on 2 2 Change Control Locks status in M the Special Functions Power remaining in the internal battery has dropped to medium 2 capacity This is accompanied by an intermittent audible alert and may e be reset 2 OR Power remaining in the internal 221 Connect ventilator to a source battery has dropped to low capacity of AC power 2 This is accompanied by continuouss 2 Connect ventilator to an audible alarm and cannot be reset external battery 3 Remove unit from service until K internal batteries can be checked or replaced 24 Check wiring from the internal s batteries to the Power Supply 2 for secure connection 3 E Oxygen inlet pressure has fallen 6 1 Increase supply pressure to TBird AVS and VSO only 2 below 35 psi This only occurs when above 35 psi p FIO is set above 21 or 100 e 2 Check calibration of O e 3 Min has been activated Pressure Transducer 2 3 Replace Blender The ventilator has failed to exceed 2 1 Evaluate patient status the setting of the Low Peak Pressure 2
41. Side Assembly 20700L i Left Side Panel Not shown 20700R Right Side Panel 20780 Side Rail 20781 End 208081 2 Left Side Panel Insert Not Shown 20808R 2 Right Side Panel Insert 20915 Side Rail Insert VS 20916 2 Side Rail Insert VSO 20917 gt Side Rail Inserts AVS 50590A Power Supply PCBA 7 8 November 1996 TBird Ventilator Series PARTS LIST Top Cover Assembly 20703 44021 20811 68093 20747 Figure 7 7 Top Cover Assembly 20703 Ventilator Cover 20742 gt Capacitor Bracket 20747 Battery Cover 20782 Handle 20811 Foam Pad 20825 Handle Retainer 44021 U Nut 64084 Capacitor 68093 Battery 12 Vdc 3 Ah 80228 Label 12Vdc 3Ah Battery Not Shown Service Manual November 1996 7 9 ARTS LIST Wire Harness and Cable Assemblies Hm
42. TBird Ventilator Series SERVICE MANUAL Bird Products Corporation L1314 Rev B April 2000 TBird is a registered trademark in the U S and some other countries Bird Products MANUAL REVISION TBird Ventilator Series Corporation HISTORY Service Manual Date Revision Pages November 1996 Rev A April 2000 Rev B i iv V XV Appendix L1465 Service Manual April 2000 Rev B i USER RESPONSIBLITY WARNING This service manual is intended for use by Bird Products Corporation trained and authorized service personnel Bird Products Corporation does not condone or approve of service activity on its products by other than Bird Products Corporation trained or authorized personnel BIRD PRODUCTS CORPORATION IS NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPAIRS OR ANY REPAIRS MADE BY UNAUTHORIZED PROCEDURES Use of the incorrect part or the failure to exercise due care in the installation removal servicing checkout or calibration of parts and equipment may result in damage or possible 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 see warranty card must be authorized in advance by Bird Products Corporation service representative in order to retain the warranty status of the subject unit ii November 1
43. anties as herein and above set forth shall not be enlarged diminished or af fected by and no obligation or liability shall arise or grow out of the rendering of techni cal advice or service by Bird or its agents in connection with the Buyer s order of the products furnished hereunder LIMITATIONS OF LIABILITIES This warranty does not cover normal maintenance such as cleaning adjustment or lubrication and updating of equipment parts This warranty shall be void and shall not apply if the equipment is used with accessories or parts not manufactured by Bird or authorized for use in writing by Bird or if the equipment is not maintained in accordance with a prescribed schedule of maintenance The warranty stated above shall extend for period of two 2 years from date of shipment or 8 000 hours of use for those products employing an hour meter whichever occurs first with the following exceptions 1 Components for monitoring of physical variables such as temperature pressure or flow are warranted for ninety 90 days from date of receipt 2 Elastomeric components and other parts or components subject to deterioration over which Bird has no control are warranted for sixty 60 days from date of receipt 3 Internal and Optional External batteries are warranted for ninety 90 days from the date of receipt THE FOREGOING IS IN LIEU OF ANY WARRANTY EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY
44. as described in Chapter 3 of this manual Service Verification Tests using the manual controls of the turbine Low flow would indicate a need for turbine replacement 4 Replace blender Oxygen concentrations are low VSO2 AVS only 1 Perform blender transducer calibration as described in Chapter 3 of this manual 2 Asolenoid on the blender may not be opening or the drive circuitry may be malfunctioning Check individual solenoid by manually opening each solenoid as described in Chapter 3 of this manual Service Verification Tests 3 Check the output flow of the turbine as described in Chapter 3 of this manual using the manual controls of the turbine High flow would indicate a need for turbine replacement 4 Replace blender Blender does not operate 1 Check cable from main PCBA to blender for proper connection VSO2 AVS only and integrity 2 Replace blender Monitored exhaled Check for patient circuit leaks volumes are low Check the setting of the over pressure relief valve Check passages in exhalation valve body for occlusion Ensure that a valid Flow Cal has been performed Replace exhalation valve body with a known functional unit Perform exhalation differential pressure transducer calibration Service Manual November 1996 4 13 TECHNICAL TROUBLESHOOTING GENERAL MALFUNCTIONS 8 Symptom Suggestions Monitored exhaled volumes are high T This is nor
45. ator parameters have reverted to internally stored values EEPROM memory has been corrupted or is no longer functional POST detected a failure of the Dual Port Random Access Memory 1 Replace Main PCB POST detected a failure of the Dual Port Random Access Memory Data read does not match data written 1 Replace Main PCB EEPROM that stores ventilator settings will not accept additional information 1 Replace Main PCBA Alert Battery power has switched from the optional external battery to the internal battery 1 Check that the external battery is connected securely 2 Replace external battery with one which has been recently fully charged 3 Connect the unit to AC power Service Manual November 1996 4 3 TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion 1 Check to see that there is nothing preventing or interfering with the fan s rotation 2 Check the electrical connection from the fan to the Power Supply PCBA 3 Replace the fan assembly Continuous ventilator status monitoring has detected that the cooling fan has stopped or is rotating at an unacceptably low rate of speed This alert appears when the ventilator hour meter is on even multiples of 500 as a reminder to check the inlet filters on the ventilator 1 Cleanor replace air inlet filter 2 Pressing SELECT will clear this alert However if th
46. bed in the TBird Operator s Manuals 20 000 Hour Maintenance After 20 000 hours of operation the assemblies listed in Table 2 3 will require replacement Refer to Chapter 5 Removal and Replacement for detailed instructions Prior to disassembly the ventilator should be inspected for any external damage requiring additional replacement Particular attention should be paid to the following e External hardware of the ventilator The Power Cord The Control Panel and Overlay Any of these items that need replacement will have to be ordered in addition to the parts specified below Service Manual November 1996 2 3 As the ventilator is being disassembled the interior of the ventilator should be inspected for the following e Accumulation of dust or lint e Appearance of liquid entry e Damage to electrical wiring e Secure electrical connection into the ventilator by chafing or pinching e Damage to tubing by chafing or kinking If any of these conditions are found to be present appropriate cleaning and replacement should be accomplished before proceeding or the unit should be returned to Bird Products for more extensive repair Table 2 3 20 000 Hour Replacement Components Part P N Turbine 15430A Muffler Tube O Rings 30020 Turbine Base Gasket 20754 Manifold Base O Rings 04358 30018 30023 Anti Suffocation Valve 20651 Pressure Relief Valve O Rings 30017 30005 Outl
47. ce 2 1 2 2 5 000 Hour Maintenance 2 1 2 2 20 000 Hour Maintenance 2 1 2 3 7 Segment Display Red 5 17 7 Segment Display Yellow 5 17 8 Position Connector 5 30 Alarm Loudness Potentiometer 5 24 Anti Suffocation Valve 5 26 Apnea 4 2 Assist Call Patient 5 23 6 42 Auto Triggering 4 15 Base 5 28 7 6 Base Plate O Rings 5 26 Battery Charger Schematic 6 41 Battery Charge Indicators 4 15 Batteries Internal 5 10 Battery On 4 2 Blender 4 13 5 21 6 40 Blending Components 7 5 Block Diagram 6 2 thru 6 16 Cable Turbine 5 20 Cable Wire 5 34 7 10 Calibration Airway Pressure Transducer 3 6 3 8 Calibration Exhalation Differential Transducer 3 9 Calibration Oxygen Pressure Transducer 3 9 Calibration Turbine Differential Transducer 3 9 Capacitor Energy Storage 5 10 Check Bkup 4 2 Check Events 4 2 Circ Fault 4 3 Configuration Memory Card 5 6 Cover Left Side 5 3 5 8 7 8 Control Panel 5 15 Cover Protective 5 8 Cover Right Side 5 4 5 8 5 31 7 8 Cover Top 5 5 7 9 Defaults 4 3 Delivered Volumes 4 14 Display 7 Segment Red 5 17 Display 7 Segment Yellow 5 17 Display Dot Matrix 5 17 Display PCBA 5 15 Display PCBA Schematics 6 36 thru 6 39 Docking Bay Assembly 5 29 Service Manual DPRAM 1 4 3 DPRAM 2 4 3 EEPROM Fault 4 3 EEPROM Turbine 5 20 Electrical Hazards Precautions 5 1 EMI Fan Filter 5 22 5 24 Encoder Panel 5 15 Energy Sto
48. connector J5 Misalignment of this connector can cause catastrophic damage to the Power Supply and or the Main PCB 5 To install the replacement Power Supply refer to Table 5 1 at the end of this section for electrical connections and reverse the removal process Service Manual November 1996 5 9 NTN NNN Internal Batteries P N 68093 Energy Storage Capacitor P N 64084 Figure 5 6 Internal Batteries Energy Storage Capacitor Y amp Note If ithas been determined that one or more of the Internal Batteries are defective it is recommended that all four 4 be replaced as a set A defective battery may effect the life or performance of the remaining batteries 1 Perform the procedure for the removal of the ventilator top and side covers 2 To remove the batteries refer to Figure 5 6 to remove the five 5 screws from the battery retaining plate November 1996 TBird Ventilator Series REMOVAL AND REPLACEMENT Internal Batteries P N 68093 Continued Energy Storage Capacitor P N 64084 Continued XA Note To remove the batteries from the left side of the top cover the large capacitor must be removed first 3 To remove the Energy Storage Capacitor remove two 2 of the nuts from the restraining straps remove the electrical connections and slide the capacitor from the straps Y amp Note When installing the capacitor ensure that the white wires are connected to the positiv
49. d Ventilator Series INSERT 6 SCHEMATICS HERE PARTS LIST CHAPTER 7 PARTS LIST What This Chapter Describes This section of the TBird Ventilator Series Service Manual details the parts that are available for the repair of the ventilator It is intended for the Bird Factory trained bio medical technician This section is composed in accordance with Bird s repair policy which excludes the following parts 1 Any component soldered to PCB s 2 Component parts of electromechanical or pneumatic assemblies If a part is not specifically included in this section field repair is limited to the replacement of the next higher assembly containing this part Refer to the Removal amp Replacement section of this manual for installation instructions After replacement of any part a thorough check out of the ventilator is mandatory This will verify that the original problem has been corrected and that no additional problems have been created by the repair process Base Assembly EEE NERE nde 7 6 Front Panel Assembly re een 7 3 PCB Asserbly happ ey rra edda 7 11 Oxygen Blending Components s deua ex voce acp sop 7 5 Power Supply PCB AM esis pasha ansa ad uker 7 12 Rear Panel Assembly assist AT 7 4 Right Left Side Assem Diy
50. d while performing this procedure At minimum always touch the copper colored coating inside of the chassis to equalize potential charges prior to placing the card in the ventilator Release Button Configuration Program Memory Card Release Button Figure 5 3 Program Memory Card and Configuration Memory Card 1 Remove AC Power from the ventilator wall source 2 Verify that the ON STANDBY switch in the rear of the ventilator is in the STANDBY position 3 Refer to the procedure for the removal of the left side cover of the ventilator 4 Referring to Figure 5 3 press the release button on the lower edge of the card receptacle to eject the Program Memory Card Note the orientation of the Program Memory Card as it is removed from the ventilator 5 6 November 1996 TBird Ventilator Series REMOVAL AND REPLACEMENT Program Memory Card and Configuration Memory Card Continued 5 1 Service Manual Referring to Figure 5 3 press the release button on the upper edge of the card receptacle to eject the Configuration Memory Card Note the orientation of the Configuration Memory Card as it is removed from the ventilator Y amp Note The Program Memory Card is installed in the rear card holder rails as viewed from the front of the ventilator Installation in the front slot will do no dam age but the ventilator will not operate and will show an amber yellow illumination of the ON led on the fron
51. e e 64 Ventilator has powered up e 67 Ventilator has switched from AC to battery power e 68 External battery alert occurred 69 Internal battery alert occurred e Environmental Environmental conditions are external to the ventilator and exceed established standards In some cases these may influence the operation of the ventilator Examples of these include e Electro Magnetic Interference e RFI Radio Frequency Interference e ESD Electro Static Discharge e AC electrical supplies e Temperature e Inadequate or erratic oxygen supplies VSO AVS only Environmental conditions are the easiest to eliminate and do not require the intervention of a biomedical technician The course of action would be to move the ventilator a distance from the location where the problem occurred use a different AC outlet or use a different source of oxygen If the problem is eliminated there is a good possibility that there was some external factor involved Service Manual November 1996 4 11 TECHNICAL TROUBLESHOOTING EVENT DETECTION CODES Hardware A hardware condition would be a mechanical or electronic problem internal to the ventilator Examples include e Loose or improperly positioned electrical connections e Leaks or misplacement of internal pneumatic connections e Malfunctioning pneumatic or electronic components within the ventilator These would require more in depth investigation and the assistance of a Bird Fac
52. e terminal and the black wires are connected to the negative terminal Also note that the vent plug on the capacitor must be orientatied towards the top of the ventilator Ensure protective caps are reinstalled on the capacitor terminals Service Manual November 1996 5 11 AL AND REPLAGEMENT 00000000 Motor Controller P N 71597 P2 SCREWS 1 Figure 5 7 Motor Controller 1 Perform the procedures to remove the top and side covers from the ventilator 2 Referring Figure 5 7 remove connector P1 coming from the Turbine and P2 coming from the Power Supply from the Motor Controller noting the edges that engage the locking tabs 3 Remove the two 2 screws securing the Motor Controller bracket to the muffler assembly 4 Place the PCB in appropriate anti static packaging for shipment Y amp Note When connector P2 is installed a small electrical spark may be noticed This is normal due to a residual charge remaining on system capacitors 5 12 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Watch Dog PAL 15532 TURBINE CALIBR
53. e 5 18 New Sensor 4 9 No Cal Data 4 9 ON Indicator 4 15 ON Switch 5 24 O Rings 5 26 Outlet Check Valve 5 27 Overlay 5 15 7 3 Oxygen Blending Components 7 5 Oxygen Concentrations 4 13 Oxygen Sources required 1 2 Oxygen Pressure Transducer Calibration 3 9 p Panel Control 5 15 Panel Encoder 5 15 Panel Front 5 14 7 3 Panel Rear 7 4 Patient Assist Call 5 23 6 42 Parts List 7 1 Battery Charger 6 41 PCBA Blender 6 40 PCBA Display 5 15 6 36 thru 6 39 PCBA Main 5 15 6 23 thru 6 35 7 11 TBird Ventilator Series INDEX PCBA Motor Controller 5 12 PCBA Power Supply 5 32 6 17 7 12 Peak Flow 4 15 Power Supply Assembly 7 12 Power Supply Removal 5 9 Power Supply Schematic 6 17 thru 6 22 Power Supply Voltage Check 4 17 Power Up 4 9 Power required 1 2 Pressure Alarms 4 15 Program Memory Card 5 6 Protective Side Covers 5 8 Rear Panel 7 4 Release IOP 4 9 Relief Valve 5 27 Remote Fault 4 9 Replacement Components maintenance 2 4 Right Side Cover 5 4 5 31 7 8 ROM 1 4 9 cS Sensitivity 4 14 Side Cover Left 5 3 Side Cover Right 5 4 5 31 7 8 Socketed LED 5 17 Software Event Detection Codes 4 11 Solenoid Test 3 5 Special Functions 3 3 SRAM 4 10 Standby 5 24 SVT Service Verification Test 3 1 3 5 SVT Manual Turbine Control 3 1 SVT Manual Solenoid Control 3 1 SVT Transducer Calibration 3 1 3 7 3 9 SVT Watch Dog Test 3 2
54. e ventilator is placed in standby and turned back on while the hour meter is still a multiple of 500 it will reappear This is a normal message that is displayed when software changes are installed It may also result if a comparison of the Configuration Memory Card and the IOP Flash Memory finds differences An update will be attempted and if a difference is found again the unit will be forced into an INOP state 1 Replace Configuration Memory Card 2 Replace Main PCB 4 4 November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion 1 Perform a Manual Flow Cal Indicates a valid Flow Calibration has not been performed This alert occurs when the Ventilator is Powered Alert up Internal or external leaks may be 1 Check for leaks in the patient preventing a valid Flow Cal circuit 2 Check internal tubing to the Exhalation Pressure Transducer 1 Perform Pressure Transducer calibrations as described in the SVT chapter of this manual Pressure Transducers may be out of calibration Ventilator cannot detect the presence of an AVS Exhalation Valve Body 1 Verify that Exhalation Valve is correctly labeled as an AVS Valve Body Installing VS VSO2 Valve body will cause this alert 2 Reseat Exhalation Valve Body Replace Exhalation Valve Body 1 Contact Bird Certified Service Technician TBird AVS only
55. er 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Ventilator Left and Right Side Cover Removal For most removal and replacement operations the covers must be removed from the ventilator Note that it is necessary to remove the left and right side covers before the removal of the top cover can be accomplished CAUTION Prior to cover removal disconnect AC power from the wall source and ensure that the Standby On Switch is in the Standby Position REMOVE REMOVE Figure 5 1 Ventilator Left and Right Side Cover Removal Left Side Cover 1 Referring to Figure 5 1 use a Phillips screwdriver and remove the four 4 screws securing the left side cover 2 Remove the left side cover and set aside Service Manual November 1996 5 3 AL AND REPLAGEMENT 00000000 Ventilator Left and Right Side Cover Removal Continued Right Side Cover ZX CAUTION The Power Supply is mounted to the right side cover of the ventilator Removal must be done carefully to insure that wire harnesses are not strained and that the Power Supply components are not allowed to contact electrically conductive materials of the ventilator including the shield coating on the inside of the ventilator 1 Using Figure 5 1 as a reference remove the 4 Phillips screws securing the right side cover to the ventilator chassis 2 Gently pull the right side panel away from the ventilator and set it on the work
56. es Finding Information This manual is designed to help you to quickly locate information It features Table Of Contents Take a minute to look over the Table of Contents It shows the material covered and the order in which it is covered This will help you locate information more easily Running Headers The chapter title and primary topic covered on each page is printed in the upper outer corner of the page to help you locate information by thumbing through the manual Conventions The following print conventions are used in this manual All front panel controls are printed in bold as follows Breath Rate Tidal Volume and Sensitivity All messages displayed in the monitor window or alarm window are printed in the following font Fi and r nn n i For More Information For more information contact Bird Products Customer Service or Technical Support organizations at World Headquarters Bird Products Corporation 1100 Bird Center Drive Palm Springs CA 92262 8099 U S A Phone Fax 760 778 7200 800 328 4139 760 778 7274 Service Manual April 2000 Rev B This page intentionally left blank xvi November 1996 TBird Ventilator Series SAFETY INFORMATION Please review the following safety information prior to operating the ventilator TERMS WARNINGS identify conditions or practices that could result in serious adverse reactions or potential safety hazards CAUTIONS identify conditions or p
57. et Check Valve and O Rings 05625 30005 30019 Exhalation Valve 15429 Muffler Filter Cores 10365 Internal Batteries 4 20811 Blender Assembly VSO2 AVS 15433A Fan 15500 Rear Inlet Filter 20819 Fan Filter 33749 Bleed Tube 20927 Oz Inlet Hose 00666 November 1996 TBird Ventilator Series MAINTENANGE After performing the 20 000 Hour Maintenance the following procedures must be performed to help ensure that the ventilator is prepared to be returned to service Follow the instructions in the SVT section of this manual to perform the calibrations of the Turbine Differential Transducer Exhalation Differential Transducer Airway Pressure Transducer Oxygen Pressure Transducer V502 AVS ao 1 Perform Transducer tests and the UVT as described in the TBird Operator s Manuals This may indicate the presence of leaks which must be corrected prior to proceeding 2 Perform the operational check as described the TBird Operator s Manuals Service Manual November 1996 2 5 This page intentionally left blank November 1996 TBird Ventilator Series SERVICE VERIFICATION TESTS CHAPTER 3 SERVICE VERIFICATION TESTS What This Chapter Describes The Special Functions programmed into the TBird Ventilator Series allow the operator to obtain information change parameters and perform calibrations that are not available during normal opera
58. ffs on the rear panel 4 Remove the Patient Assist Call PCBA from the ventilator Service Manual November 1996 5 23 AL AND REPLACEMENT 00000000 Standby On Switch P N 68153 Refer to Figure 5 17 1 Perform the procedure to remove the top and side covers from the ventilator 2 Disconnect the brown and black wires from the switch 3 Compress the retaining tabs on the top and bottom of the switch and slide it out of the rear of the ventilator 4 Noting correct orientation insert the new switch into the ventilator with the electrical connections towards the bottom of the unit 5 Attach the brown and black wires to the switch and test for proper operation Fuse Holder P N 68159 Refer to Figure 5 17 1 Perform the procedure to remove the top and side covers from the ventilator 2 Noting their location remove the two 2 wires from the fuse holder 3 Loosen and remove the large nut on the inside of the back panel that secures the fuse holder to the panel 4 Remove the fuse holder from the unit Alarm Loudness Potentiometer P N 15027G Refer to Figure 5 17 1 Perform the procedure to remove the top and side covers from the ventilator 2 Unplug the alarm loudness cable from the Main PCB 3 Remove the alarm loudness mounting nut from the rear of the unit and remove the control EMI RFI Filter P N 68162 Refer to Figure
59. g Timer 4 10 Troubleshooting Turbine ROM 4 10 Troubleshooting Watchdog Pal 4 10 Troubleshooting XDCR Fault 4 10 Turbine Assembly 5 20 7 2 Turbine EEPROM and Cable 5 20 Turbine Differential Pressure Calibration 3 8 Turbine Differential Pressure Transducer 5 25 Turbine Serial Number 3 2 3 10 V Valve Anti suffocation 5 26 Valve Exhalation 5 19 Valve Outlet Check 5 27 Valve Relief 5 27 Voltage Check 4 17 W Watch Dog PAL 5 13 Watch Dog Test 3 10 Window Messages Monitor 4 1 Wire Harness and Cable 5 34 7 10 Wiring Pneumatic 6 1 November 1996 1 3 INDEX This page intentionally left blank 1 4 November 1996 TBird Ventilator Series BUSINESS REPLY MAIL FIRST CLASS PERMIT NO 509 PALM SPRINGS POSTAGE WILL BE PAID BY ADDRESSEE BIRD PRODUCTS CORPORATION Attention Tech Service Department 1100 Bird Center Drive Palm Springs CA 92262 NO POSTAGE NECESSARY IF MAILED INTHE UNITED STATES TBird Ventilator Series Service Manual L1314 Rev B Reply Card If you would like to receive future updated material for this manual please fill out and return this card to Bird Products Corporation Thank you Company Name Title Address Zip Telephone _ Date Manual was received
60. halation valve body O rings and diaphragm replacing them if necessary Refer to the TBird Operators Manual Chapter 9 Cleaning amp Sterilization Every 5000 Hours Perform extended maintenance replacing specific internal and external components Check out the ventilator and calibrate as required Every 20 000 Hours Perform a complete maintenance procedure replacing components that are approaching the end of their useful life This schedule assumes the ventilator is operating in a typical clinical setting Environmental conditions may necessitate more frequent maintenance Service Manual November 1996 2 1 500 Hour Maintenance Every 500 hours perform the following 1 Clean the air intake and fan intake filters replacing them if necessary 2 Check the exhalation valve body O rings and diaphragm and replace them if necessary Refer to the TBird Operator s Manual Chapter 9 Cleaning amp Sterilization 5 000 Hour Maintenance After 5 000 hours of operation extended maintenance is required During this maintenance several internal and external components need to be replaced The ventilator also needs to be checked out and if necessary calibrated Table 2 2 5 000 Hour Replacement Components Part P N Muffler Tube O Rings 30020 Muffler Filter Cores 10365 Rear Inlet Filter 20819 Fan Filter 33749 To perform the 5 000 hours maintenance do the following ZN CAUT
61. ic tubes to the Exhalation Valve labeling or noting their position for proper assembly 4 Unplug the cable going to the Main refer to Chapter 6 Schematics pg 6 1 noting the orientation of the connector 5 Remove the two 2 Phillips screws Figure 5 13 ref 1 from the top of the Exhalation Valve 6 Lift the Exhalation Valve back and up to remove it from the ventilator Service Manual November 1996 5 19 AL AND REPLAGEMENT 00000000 Turbine Assembly P N 15430A Includes Turbine EEPROM and Cable Turbine Calibration EEPROM Figure 5 14 Turbine Assembly 1 Perform the procedure to remove the top and side covers from the ventilator 2 Unplug the connector 701 refer to Chapter 6 Schematics page 6 1 from the Main PCBA 3 Unplug connector P1 refer to Chapter 6 Schematics page 6 1 from the motor controller noting orientation 4 Labeland remove the two 2 pneumatic connections from the turbine Referring to Figure 5 14 remove the four 4 screws from the base of the turbine 6 Lift the turbine assembly from the muffler tube retaining the silicone gasket under the turbine for re use 7 Using masking tape cover the inlet and outlet openings of the turbine and the muffler tube to prevent the entry of foreign material into the assemblies 8 Using the EEPROM remova
62. is not of the specified accuracy e Electrical shock hazards are present within the ventilator even after AC power has been removed It is recommended that the top cover be electrically unplugged to disconnect the batteries from the ventilator e Electrical shock hazards are present within the ventilator even after AC power has been removed Pay particular attention to the large electrolytic capacitor mounted to the top cover xviii November 1996 TBird Ventilator Series CAUTIONS Refer to the TBird Operator s Manuals for operator safety information and cautions The following cautions apply any time you are servicing the ventilator Performing the 5 000 hour maintenance requires access to the interior of the ventilator It is intended to be performed by a Bird Factory Trained technician The technician should be familiar with appropriate ESD Electro Static Discharge prevention techniques to avoid damage to electronic components Double check the pneumatic connection to the T DIFF transducer before applying pressure If the 60 cmH O pressure is inadvertently applied to the X DIFF transducer it will be permanently damaged and require replacement Appropriate measures to prevent ESD damage to electronic components must be taken e Wear a properly grounded and tested anti static wrist strap when handling Printed Circuit Boards PCBs e Work on an anti static surface e Always use anti static material for packaging PCB s e Attached
63. itiate program instructions after being allowed to do so Malfunction of the Remote Alarm 1 Replace the Remote Alarm PCB Information from internal remote alarm module is absent or invalid Remote alarm must be enabled PCB Check internal cable for proper connection 2 Replace the Remote Alarm PCB During POST an error has been detected in the MSP Program Memory configuration memory card CRC check failed Replace the Program Memory Card with one known to be functional 2 Replace Main PCB Service Manual November 1996 TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES Monitor Window Description Suggestion POST has detected a failure in the 1 Replace Main PCB Static Random Access Memory POST has detected a failure in the 1 Replace Main PCB hardware timers that generate interrupts for the MSP An error has been detected in the 1 Replace Turbine and Turbine calibration data memory of the turbine EEPROM Checksum test EEPROM failed POST has detected a failure in the 1 Replace Main PCB Watch Dog circuitry A manual or automatic auto zero 1 Determine which transducer is of a transducer has been performed e suspect by checking XDCR and it is outside of defined limits or 2 DATA or XDCR tests per the a transducer has drifted in output UVT section in the TBird Operator s Manuals 2 Check exhalation flow sensor for occluded passages 3 Check seals on exha
64. l display If the monitor display reads Cfi the applied pressure I repeat the calibration with attention to To store the new calibration values in memory press the Select Key To ignore the new value press the Set Value Knob Referring to Figure 3 5 replace the original tubing to the Airway Pressure Transducer Turbine Differential Pressure Calibration 1 Press the Select Key and the Monitor Window will display Referring to Figure 3 5 remove the two 2 tubes from the Turbine Differential Transducer Press the Select Key and the Monitor Window will display Press the Select Key to enter this value to ventilator memory and to advance the Monitor Display to read CAUTION Double check the pneumatic connection to the TDIFF transducer before applying pressure If the 60 2 pressure is inadvertently applied to the X DIFF transducer it will be permanently damaged and require replacement November 1996 TBird Ventilator Series SERVICE VERIFICATION TESTS 0000000000000000 Referring to Figure 3 5 connect an external source of 60 0 6 2 to the P2 port on the Turbine Differential Transducer To store the new calibration values in memory press the Select Key To ignore the new value press the Set Value Knob If the values are within tolerance the Monitor Window will display If the Monitor Display reads the applied pressure J amp repeat the calibration with at
65. l tool remove the EEPROM from the Main PCBA and place into appropriate anti static material 9 Referring to Figure 5 14 install the new turbine EEPROM making sure that the notch is facing to the left and that pins are properly aligned and engaged Do not rely on the position of the label for installation 10 After installing the new turbine it will be necessary to enter the turbine serial number into the ventilators memory Refer to Chapter 3 SVT of this manual for instructions 5 20 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Blender Assembly P N 15581 TBird VSO2 and AVS Figure 5 15 Blender Assembly 1 Perform the procedure to remove the top and side covers from the ventilator 2 Remove the Rear Inlet Filter 3 Reaching in through the filter cavity with needle nose pliers disconnect the hose coming from the base of the blender 4 Remove the electrical connector J103 from the blender noting orientation 5 Referring to Figure 5 15 remove the pair of O DISS fittings from the rear of the ventilator Take precaution not to lose springs within the fittings 6 Remove the two 2 screws from the rear of the ventilator that secure the blender to the chassis 7 Liftthe blender from the ventilator 8 After installation of the replacement blender perform the Oxygen Pressure Transducer calibration as described in Chapter 3 SVT of this manual Service Man
66. lation flow sensor for damage 4 Check the internal tubing to the pressure transducers and Auto Zero solenoids for occlusion or disconnects Perform transducer calibrations as described in the SVT section of this manual Replace either the Turbine differential transducer or the Exhalation differential pressure transducer as indicated by the XDCR DATA If the XDCR DATA indicates the patient circuit pressure transducer is malfunctioning the Main PCBA must be replaced 4 10 November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING EVENT DETECTION CODES Event Detection Codes The Event Codes are software routines that are constantly monitoring the operation of the ventilator If these routines detect an anomalous condition or result of some function this code records that occurrence to assist in determining what occurred and when it occurred Individual occurrences of events may not be significant as they can be generated by external influences and may not affect the operation of the ventilator Repetitive occurrences may indicate the need for investigation of the problem There are 4 general causes for these codes to be generated e System Monitoring There are some codes which do not indicate a problem has occurred but reflect changes in ventilator status These codes are meant to indicate points in time that may be useful in determining a problem should it happen after one of these events Examples of these ar
67. mal when oxygen is introduced to the TBird VS Evaluate Tidal Volume settings e 2 2 Perform Flow Cal procedure as described in the TBird Operator s Manuals 3 Check passages in exhalation valve body for occlusion 4 Replace exhalation valve body with a known functional unit and reevaluate Tidal Volume settings 5 Perform transducer calibration procedures as described in Chapter 3 of this manual e Delivered volumes are 21 This is normal when oxygen is introduced to the TBird VS high 4 Evaluate Tidal Volume settings 2 Perform transducer calibration procedures as described in Chapter 3 of this manual 3 Replace turbine assembly w Delivered volumes are lowe 1 Check for leaks in the patient circuit humidifier or water traps 2 Check the setting of the Over Pressure Relief Valve 3 Check the exhalation valve body and diaphragm for mechanical integrity proper installation 24 Perform transducer calibration procedures as described in Chapter 3 of this manual 2 5 Replace turbine assembly Sensitivity appears tobe 2 1 Perform Flow Cal procedure as described in the TBird Operator s inaccurate or erratic Manuals 2 Check for leaks in the patient circuit 3 Replace exhalation valve body and diaphragm 4 Perform transducer calibration procedures as described in e e Chapter 3 of this manual November 1996 TBi
68. mponents 2 4 5 1 Wiring 5 5 34 xii November 1996 TBird Ventilator Series ABOUT THIS MANUAL Purpose This manual shows you how to diagnose service and repair the TBird ventilator series After reading this manual you will understand Whatthe ventilator is and how it works e What regularly scheduled maintenance should be performed and when it should be performed e What tools and equipment are required to service the ventilator e What software tests are available in the ventilator to help you troubleshoot and calibrate the ventilator How to remove and replace the critical components of the ventilator How to completely disassemble and reassemble the ventilator How to calibrate transducers and other internal components to make sure the ventilator is working properly How to do a performance check Acomplete set of schematics an exploded view of the system and an illustrated parts list is included Intended Audience This manual is written for Bird Products trained and authorized service personnel It assumes you are familiar with Bird Product ventilators and have attended the TBird ventilator series training class If you are not authorized by Bird Products to work on the TBird ventilator series do not attempt to perform any of the procedures described in this manual If you ignore this warning you may create conditions that could be harmful to the patient as
69. n and replace the covers on the unit Service Manual November 1996 3 11 This page intentionally left blank November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING MONITOR WINDOW MESSAGES CHAPTER 4 TECHNICAL TROUBLESHOOTING Monitor Window Messages This section of the service manual provides symptoms definitions and suggestions for the correction of problems that may be reported with the TBird Ventilator In all cases the technician should first ensure that the ventilator is being used properly to eliminate any possible operator related problems When problem is reported all available information should be obtained as to ventilator settings the type of patient circuit being used the patients condition and the details of the reported malfunction If the ventilator has been recently serviced particularly if the covers have been removed for any reason check all electrical and pneumatic connections for proper installation and orientation Often marginal connection may not show up immediately The first series of messages are those that the ventilator may display in the Monitor Window as a result of initial Power On Self Tests or those messages that are generated as a result of continuous monitoring while the ventilator is in operation Display Page Display Page APNEA 4
70. ne Serial Number Entry XA Note Prior to performing the following procedure record the serial number from the EEPROM supplied with the Turbine and the serial number from the label on the turbine Press the Select Key and the Monitor Window will be blanked The serial number from the Turbine may now be entered by turning the Set Value Knob to the value desired When the first digit is displayed press the Select Key to advance to the second digit Upon entry of the last digit the unit will exit the entry mode Watch Dog Test 1 Rotate the Set Value Knob and the Monitor Window will display XZA Note The Watch Dog test simulates an actual event that would take place if a malfunction of the microcomputer system had occurred Consequently the results of this test will force the ventilator into a VENT INOP state The only way to recover from this is to turn the ventilator off and back on again November 1996 TBird Ventilator Series SERVICE VERIFICATION TESTS 2 Press the Select Key The unit will go into an INOP state all displays will be blank the Vent LED will be illuminated and a steady audible tone will be generated 3 Place the On Standby switch in the Standby position and press the Alarm Silence key to silence the audible alarm To repeat any of the Special Functions place the unit in the On position If you are finished restore DIP switch 1 to the off positio
71. nents 7 5 Base 7 7 Right Left Side Assembly 7 8 Top Cover 7 9 Wire Harness And Cable Assemblies 7 10 Main PCB 7 11 Power Supply PCB Assembly 7 12 Appendix Index Bulletins November 1996 TBird Ventilator Series List Of Figures Figure Description Page 3 1 Main PCBA 3 2 3 2 Special Functions Group 3 3 3 3 SVT Diagram s 3 5 3 4 Solenoid TESE 14 ss babes for 3 6 3 5 Airway PressureTransducer 3 7 4 1 Power SUB sa ape satea rake ak eid 4 17 5 1 Ventilator Left and Right Side Cover Removal 5 3 5 2 Top Cover 5 5 5 3 Program Memory Card and Configuration Memory Card 5 5 5 4 Protective Side Covers 5 8 5 5 Power Supply 5 9 5 6 Internal Batteries Energy Storage Capacitor 5 10 5 7 Moter Bortr ller csee nes 5 12 5 8 Main Watch Dog PAL 5 13 5 9 Front Panel Disassembly 5 14 5 10 Front Panel Encoder Removal 5 15 DAT taes 5 17 5 12 Muffler Filter Core Assembly 5 18 5 13 Exhalation Valve 5 19 5 14 Turbine Assembly 5 20 5 15 Blender
72. ob The Peak Flow display represents the output of the turbine in LPM This may be adjusted in the same way as the RPM The PEEP CPAP window represents the pressure in the patient circuit and is developed by the control of the Exhalation Valve This may be adjusted in the same way as the RPM However to see any pressure developed in the patient circuit some flow value or turbine speed must be entered first With the VSO2 AVS the Oxygen Percentage window will be illuminated Oxygen percentage may be set at any time some flow value and turbine speed has been activated While the turbine speed turbine flow or circuit pressure are being manually controlled the pressure transducers may be monitored by selecting XDCR DATA and selecting the appropriate transducer This may be useful in determining if there is a malfunction of the unit Refer to the troubleshooting section of this manual for further information 5 Rotate the Set Value Knob until is displayed in the Monitor Window 3 4 November 1996 TBird Ventilator Series SERVICE VERIFICATION TESTS SVT Service Verification Tests Solenoid Accessed via WatchDog a switch Test within the Calibration ventilator Turbine SN Note During the SVT Tidal Volume controls turbine RPM Peak Flow controls turbine flow PEEP CPAP controls circuit pressure and 02 controls the blender Figure 3 3 SVT Service Verification Tes
73. on EEPROM unless instructed to do so Place the PCB in appropriate anti static packaging for shipment 5 To remove the front panel a Complete the 3 procedures at the beginning of this section November 1996 TBird Ventilator Series REMOVAL AND REPLACEMENT 7 Segment Red Display P N 03773 Dot Matrix Displays P N 68136 Socketed LED P N 66002 7 Segment Yellow Display P N 68114 66002 Figure 5 11 Displays 1 Perform the procedure to remove the covers from the ventilator 2 After labeling or noting positions remove the cables and pneumatic connections from the Main PCBA 3 Perform the procedure for the removal of the Display PCBA 4 Remove and replace the malfunctioning display element observing polarity and proper engaging of pins Service Manual November 1996 5 17 AL AND REPLAGEMENT 00000000 Figure 5 12 Muffler Filter Core Assembly 1 Perform the procedure to remove the right side cover from the ventilator 2 Remove connectors J1 and J5 refer to Chapter 6 Schematics from the Power Supply PCBA 3 Swing the right side cover away from the unit 4 Referring to Figure 5 12 remove the
74. oring has detected a Hardware Fault This indicates one of two conditions 1 A DAC on the Main PCB has failed its self test The Event Code 250 will be stored Remove the ventilator from its current location and attempt operation in different environment to eliminate external causitive factors If the problem persists the Main PCBA is suspected to be malfunctioning Check that the fan filter is not occluded and that the fan is operating Check that the thermistor attached to the Power Supply has not been damaged 2 Anover temperature condition has been detected on the Power Supply The Event Code 251 will be stored m Replace the Power Supply Replace Main PCB e POST detected that the programmed operation timers or internal RAM has failed During POST the IOP has found that it cannot correctly access DPRAM During POST the IOP program memory was found to be different from flash memory Checksum test failed During POST error has been detected in the testing of the extended memory area used by the IOP AVS only Replace the Main PCBA Alert Operator is attempting to set ventilator controls that conflict with each other Evaluate the settings of the control being changed with relation to the ones that are flashing Service Manual
75. ractices that could result in damage to the ventilator or other equipment NOTES identify supplemental information to help you better understand how the ventilator works SYMBOLS This symbol indicates a WARNING This symbol indicates a CAUTION CAUTION Service Manual November 1996 xvii WARNINGS 4 Refer to the TBird Operator s Manuals for operator safety information and warnings The following warnings apply any time you are servicing the ventilator e If you are not authorized by Bird Products to work on the TBird ventilator series do not attempt to perform any of the procedures described in this manual If you ignore this warning you may create conditions that could be harmful to the patient as well as void the warranty DO NOT SERVICE THE VENTILATOR UNLESS YOU HAVE BEEN TRAINED AND AUTHORIZED BY BIRD PRODUCTS TO DO 50 e The Service Verification Tests SVT must never be performed when the ventilator is connected to a patient and therefore require specific and deliberate action on the part of the technician to enable them The procedure for calibrating the Exhalation Differential Transducer requires the use of external pressure sources and external pressure monitoring Do not select this test unless the required equipment is available External values applied during these tests will change internally stored information in the ventilator Performance and accuracy will be affected if external test equipment
76. rage Capacitor 5 10 Environmental Event Detection Codes 4 11 Event Detection Codes 4 11 Event Detection Codes Environmental 4 11 Event Detection Codes Hardware 4 12 Event Detection Codes Software 4 12 Event Detection Codes System 4 11 Exhalation Differential Transducer Calibration 3 9 Exhalation Differential Pressure 5 25 Exhalation Valve 5 19 External Battery 4 3 External Battery Charger Schematic 6 41 External Docking Bay 5 29 SEN Fan EMI Filter 5 22 Fan Inlet Filter 5 22 Fan Fault 4 4 Filter 4 4 5 24 Filter Core Muffler 5 18 Flash Update 4 4 Flow Cal 4 5 Flow Sensor 4 5 Front Panel 5 14 5 15 7 3 Fuse Holder 5 24 Hardware Event Detection Codes 4 12 Harness Wire 5 34 7 10 High PEEP 4 6 High Pres Alarm 4 6 HW Fault 4 7 High O2 4 6 Inlet Fan Filter 5 22 Internal Batteries 5 10 IOP CPU Timer amp RAM 4 7 DPRAM 4 7 4 7 November 1996 1 1 INDEX Keys 4 15 zx LED 5 17 Left Side Cover 5 3 5 7 7 8 Limited Alert 4 7 Locked Alert 4 8 Low Battery 4 8 Low O2 4 8 Low Pres Alarm 4 8 Low Volume Alarm 4 9 M Main PCBA 3 2 5 15 7 11 Main PCBA Schematic 6 23 thru 6 35 Maintenance 500 Hour 2 2 Maintenance 2 000 hour 2 3 Maintenance 5 000 hour 2 2 Maintenance 20 000 hour 2 4 Maintenance schedule 2 1 Malfunctions Auto Triggering 4 14 Malfunctions Battery Charge Indicators 4 15 Malfunctions Blender 4 13
77. rd Ventilator Series TECHNICAL TROUBLESHOOTING EVGENERAL MALFUNCTIONS Symptom Suggestions Unit is auto triggering 1 ps o m Perform Flow Cal procedure as described in the TBird Operator s Manuals Check patient circuit for leaks Check the setting of the over pressure relief valve If a test lung is being used ensure that there is at least 5 cmH O L Sec resistance Check the exhalation valve body and diaphragm for proper installation and condition Perform transducer calibration procedures as described in Chapter 3 of this manual High and low pressure alarms do not seem to be accurate Perform transducer calibration procedures as described in Chapter 3 of this manual Replace the Main PCB Peak flow does not seem to be accurate Perform transducer calibration procedures as described in Chapter 3 of this manual Replace the turbine assembly A key or keys on the control panel do not appear to be functional Check the keypad functions using the UVT procedure in the TBird Operator s Manuals Check the ribbon cables from the control panel to the Main PCB for secure connections Replace the control panel The ON indicator on the front panel illuminates red when the Power Switch is turned on Ventilator is inoperative m gt
78. re NOT included These items have indi vidual part numbers See Chapter 7 Parts List of this manual for details 1 Remove the selected cover completely from the ventilator 2 If the right protective cover is being replaced follow the procedure for re moval of the power supply 3 Remove the side rail assembly Figure 5 4 Protective Side Covers 4 Referring to Figure 5 4 remove the twelve 12 flat head screws from the reinforcing plate 5 To separate the two portions peel the pliable cover away from the reinforcing plate 6 re assemble align the plate with the protrusions and pull them through using pliers and reverse the disassembly process 5 8 November 1996 TBird Ventilator Series REMOVAL AND REPLACEMENT Power Supply Removal P N 50590 Figure 5 5 Power Supply Removal Perform the procedure for removing right cover from the ventilator 2 Remove the electrical connections to the Power Supply noting position and orientation 3 Referring to Figure 5 5 remove the four 4 nuts Figure 5 5 ref 1 and four 4 screws Figure 5 5 ref 2 securing the Power Supply to the to the right side cover 4 Place the Power Supply in anti static packaging for shipment Z caution Before assembling the ventilator be sure to double check the alignment of
79. surface in vertical position leaning against the ventilator chassis 3 Some insulating material may be used to hold the right side panel away from the chassis of the ventilator Electrical shock hazards are present within the ventilator even after AC power has been removed Pay particular attention to the large electrolytic capacitor mounted to the Top Cover 5 4 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Top Cover Figure 5 2 Top Cover Removal 1 Perform the procedure to remove the left and right side covers 2 Referring to Figure 5 2 remove the three 3 screws from the top front of the ventilator 3 Holding the top cover remove the two 2 screws from the rear of the ventilator 4 Liftthe cover slightly in the rear and pull back and away from the ventilator 5 Setthe ventilator cover on the work surface at the rear of the ventilator 6 Unplug the large white connector connected to the top cover hold the locking tabs depressed and pull the opposite side of the connector Set the top cover aside Service Manual November 1996 5 5 AL AND REPLAGEMENT 00000000 Program Memory and Configuration Memory caution When handling the Program Memory Card or the Configurtion Memory Card and contacting the inside of the ventilator precautions must be taken to avoid ESD damage An anti static wrist strap should be worn and correctly grounde
80. t Figure 3 3 shows the tests available when SVT is accessed within the special functions Rotating the set value knob will display the available options in the monitor window Solenoid Test 1 Press the Select Key The Monitor Window will display 5 2 Press the Select Key Rotating the Set Value Knob will display the solenoids by name in the Monitor Window When the Select Key is pressed the solenoid selected will toggle between OFF inactive and ON activated Refer to Figure 3 4 for the solenoid being tested Service Manual November 1996 3 5 Figure 3 4 Solenoid Test Inspiratory Hold Valve AVS only Turbine Outlet Auto Zero Solenoid Turbine Inlet Auto Zero Solenoid Airway Pressure Auto Zero Solenoid Blender Solenoid TBird VSO and AVS Blender Solenoid TBird VSO and AVS Blender Solenoid TBird VSO and AVS Blender Solenoid TBird VSO and AVS Blender Solenoid TBird VSO and AVS Not Used 3 Press the Set Value Knob to display in the Monitor Window Calibration Rotate the Set Value Knob until Monitor Window displays XAN Note If you enter calibration within the first 60 seconds of ventilator operation a waiting message will be posted Once the waiting message clears you may proceed with calibration 3 6 November 1996 TBird Ventilator Series VERIFICATION 5 5
81. t panel Y amp Note The Configuration Memory Card is installed in the front card holder rails as viewed from the front of the ventilator Installation in the rear slot will do no damage but the ventilator will not operate and will show an amber yellow illumination of the ON led on the front panel Insert the replacement Program Memory Card in the rear slot with the label facing to the front of the ventilator and the arrow pointing up as shown on the label viewed from the front of the ventilator Insert the Configuration Memory Card in the front slot with the label facing to the front of the ventilator and the arrow pointing up as shown on the label viewed from the front of the ventilator Replace the left cover of the ventilator and perform the operational check as described in the TBird Operator s Manual Y amp Note When the Program Memory Card contains a different version of software than was previously installed the message FLASH UPDATE will be displayed in the monitor window as the parameters are read into the ventilators memory Following this the ventilator will operate at default settings until new parameters are entered November 1996 5 7 AL AND REPLAGEMENT Protective Cover Removal XA Note If a left or right protective cover is being replaced be aware that it is com posed of two sections the pliable outer portion and the inner reinforcing plate The side rail assemblies a
82. tention to 4 Replace the original tubing to the Turbine Differential Transducer Exhalation Differential Transducer Calibration 1 Press the Select Key and the Monitor Window will display Referring to Figure 3 5 remove the two 2 tubes from the Exhalation Differential Transducer 2 Press the Select Key and the Monitor Window will display 3 Press the Select Key to enter this value to ventilator memory and to advance the Monitor Display to read 3 4 Connect an external source of 3 0 03 cmH 0 to the P2 port on the Turbine Differential Transducer 5 To store the new calibration values in memory press the Select Key To ignore the new value press the Set Value Knob If the values are within tolerance the Monitor Window will display If the Monitor Window reads F to the applied pressure amp repeat the calibration with attention 6 Replace the original tubing to the Exhalation Differential Transducer Oxygen Pressure Transducer Calibration Service Manual November 1996 3 9 If oxygen is connected to the unit turn off the pressure disconnect it from the ventilator Using small screwdriver or similar tool momentarily open the check valve in the inlet fitting to insure that any residual pressure is released Attach a known 50 0 1 psi source to one of the fittings at the rear of the ventilator Press the Select Key to store the 50 psi pressure point in memory Turbi
83. tilator If you have a question regarding the installation set up operation or maintenance of the ventilator contact Customer Services Hours 7 00 AM to 3 30 PM PST Monday through Friday Phone 760 778 7200 800 328 4139 Fax 760 778 7274 Technical Services Hours 7 00 AM to 5 00 PM PST Monday through Friday Phone 760 778 7200 Fax 760 778 7274 BIRD Helpline Hours 24 hrs seven days a week Phone 800 934 BIRD 800 934 2473 World Headquarters Bird Products Corporation 1100 Bird Center Drive Palm Springs CA 92262 8099 U S A Phone 760 778 7200 Fax 760 778 7274 April 2000 Rev B European Office Bird Products Corporation Rembrandtlaan 1b 3723 BG Bilthoven P O Box 299 3720 AG Bilthoven The Netherlands 31 30 2289 711 31 30 2286 244 This page intentionally left blank vi November 1996 TBird Ventilator Series CONTENTS AT GLANCE About This Manual tror tnra xiii Safety Infabmalblof us xvii Chapter 1 eee ou es 1 1 Chapter 2 2 1 Chapter 3 Service Verification 16565 3 1 Chapter 4 Technical Troubleshooting 4 1 Chapter 5 Removal And Replacement 5 1 Chapter 6 519115 2 EROS 6 1 Chapter 7 Parts LIBE Lan 7 1 Appendix Index Bulletins Service Manual November 1996 vii TABLE
84. tion Included are the following functions e Configure the ventilator Monitor pressure transducer operation e Check the hour meter software revisions and event code history Test the visual displays control panel filters and perform leak testing e Manually control internal ventilator functions e Calibrate the pressure transducers Service Verification Tests SVT Overview The Service Verification Tests SVT must never be performed when the ventilator is connected to a patient and therefore require specific and deliberate action on the part of the technician to enable them The SVT incorporates all the features of the Special Functions and UVT capabilities as explained in the TBird Operator s Manual P N L1331 and adds the following features 1 Manual Turbine Control The Turbine can be controlled in terms of a RPM b Flow c Pressure 2 Manual Oxygen Percentage Control 3 Manual Solenoid Control a Auto Zero solenoids b Oxygen Blender solenoids c Inspiratory Hold Solenoid Service Manual November 1996 3 1 4 Transducer Calibration a Turbine Differential Pressure Transducer b Exhalation Differential Pressure Transducer c Airway Pressure Transducer d Oxygen Blender Pressure Transducer 5 Entry of turbine serial number a Ensures that the proper turbine characterization information is being utilized for accurate delivery of pressure and flow 6 Watch Dog Test a This function forces
85. tion points and the orientation of the locks or alignment key for proper installation Refer to Table 5 1 below for further reference Also refer to the wiring diagram in the schematic section 2 Locate the harness to be removed and identify as required 3 Unplug the ends or the cable or unplug one end of the cable and remove the attached hardware as required 4 Refer to the following table for installation Table 5 1 Wiring Connections Part From To 15027G Rear Panel Alarm Loudness Control Main PCBA 1900 15489 Rear Panel Patient Assist Call Connector Main 905 15490 Front Panel Encoder Main PCBA J702 15492 Turbine Speed Encoder Main PCBA J701 15493 Power Supply J1 Main PCBA J2 15494 Power Supply J5 Main PCBA J5 15497 Blender TBird AVS and VSO Only Main PCBA J301 15499 Rear Panel Stand By On Switch Power Supply 7 15500 Rear Panel Fan Power Supply J2 15501 Top Cover Harness Power Supply J6 and Motor Controller PCBA P2 15507 Batteries and Energy Storage Capacitor Harness 15501 15543 Line Fuse EL1 Side Lug Power Supply EL1 15544 Neutral Fuse EL2 Side Lug Power Supply EL2 15545 Rear Panel Ground Stud Power Supply EE1 N A Turbine Motor Controller PCBA P1 15584 EMI RFI Filter Case Rear Panel Ground Stud 15582 EMI RFI Filter Load Neutral Fuse EL2 End Lug 15583 EMI RFI Filter Load Line Fuse EL1 End Lug November 1996 TBir
86. tory Trained technician Software Due to the extensive processes in the creation validation and testing of software and the continuous self checking that the ventilator performs this type of situation is the least likely to be the basis of a problem The previously discussed causes must be eliminated prior to pursuing a problem with the software used in the ventilator If a software problem is suspected it must be reported to Bird Products Corporation along with all of the circumstances of the occurrence This will enable a Bird technician to evaluate the situation and suggest possible corrective action Refer to Appendix G of the TBird Operator s Manuals for an explanatory list of event codes November 1996 TBird Ventilator Series TECHNICAL TROUBLESHOOTING EVGENERAL MALFUNCTIONS General Malfunctions The following table is concerned with General Malfunctions In all cases first be certain that the unit is being operated properly and that the patient circuit and exhalation valve body diaphragm are properly assembled and not damaged Symptom Suggestions 1 Perform the blender transducer calibration as described in Chapter 3 of this manual Service Verification Tests Oxygen concentrations are high VSO2 AVS only 2 A solenoid on the blender may be leaking or stuck open Remove blender from ventilator and apply 40 60 psi O Check for flow coming out of the blender outlet 3 Check the output flow of the turbine
87. ual November 1996 5 21 AL AND REPLACE E ET STR Fan Assembly P N 15500 Fan Inlet Filter P N 33749 Fan EMI filter P N 33759 Figure 5 16 Fan Assembly 1 Perform the procedure to remove the top and side covers from the ventilator 2 Unplug the fan cable from the Power Supply connector J2 refer to Chapter 6 Schematics page 6 1 3 Referring to Figure 5 16 remove the four 4 screws and nuts securing the assembly to the back panel 4 When installing the new component ensure that the rear fan grill is oriented to allow the filter retainer to snap out for cleaning of the filter 5 Ifanew fan is being installed ensure that the direction of air flow is into the ventilator as indicated by the arrow on the fan housing 5 22 November 1996 TBird Ventilator Series REMOVAL AND RE CEMENT 00000000 Patient Assist Call P N 50570 33749 33528 68159 e AVS ONLY 2 20884 50570 150270 Figure 5 17 Patient Assist Call Refer to Figure 5 17 1 Perform the procedure to remove the covers from the ventilator 2 Locate and remove the electrical connector from the Patient Assist Call PCBA P N 50570A noting its orientation 3 Remove the two 2 screws securing the Patient Assist Call PCBA P N 50570A to the stando
88. urbine Serial Number Entry 3 10 Watch Dog lest 3 10 viii November 1996 TBird Ventilator Series Chapter 4 Technical Troubleshooting Monitor Window Messages 4 1 Event Detection Codes 4 11 General Malfunctions 4 13 Power Supply Voltage Check 4 17 Chapter 5 Removal And Replacement What This Chapter Describes 5 1 Table of Contents 5 2 Ventilator Left and Right Side Cover Removal 5 3 Top COVER sanere LTE 5 5 Program Memory Card Removal amp Configuration Memory Removal 5 6 Left or Right Protective Cover 5 8 Power Supply 5 9 Internal 5 10 Energy Storage Capacitor 5 10 Motor Controller 5 12 Watch Dog 5 13 Panel Encoder Assembly 5 15 MAN POBA RC Pene rite aed ud 5 15 Display PCBA 5 15 Front Panel 5 2 as sag ay bar rek ec 5 15 Control Panel 323 3 55 he gere 5 15 Over NT 5 15 Control 5 15 7 Segment Red Display 5 17 Dot matrix 5 17 Socketed 5 17 7 Segment Yellow Display 5 17 Muffler Filter Core Assembly 5 18 Exhalation Valve
89. well as void the warranty DO NOT SERVICE THE VENTILATOR UNLESS YOU HAVE BEEN TRAINED AND AUTHORIZED BY BIRD PRODUCTS TO DO SO Service Manual November 1996 xiii Organization This manual is organized as described in Table I Table Manual Organization Title Description Introduction Introduces the TBird ventilators and lists the tools and equipment you will need to service the ventilator Maintenance Shows the recommended schedule of maintenance and gives procedures for performing scheduled maintenance after 500 5 000 and 20 000 hours of operation Service Verification Tests Shows you how to run the Service Verification Tests that are built into the ventilator s software These tests help you troubleshoot the ventilator or verify that it is working properly Technical Troubleshooting Shows you how to troubleshoot the ventilator when it doesn t power up properly a vent inop condition exists or otherwise doesn t appear to be functioning properly Removal and Repacement Shows you how to remove and replace the major critical components of the ventilator Schematics Contains a complete set of schematics Parts List Contains an exploded view diagram of the ventilator and illustrations of each replaceable component or assembly xiv vw Note Refer to the TBird Operator s Manuals Appendix A for a glossary of terms November 1996 TBird Ventilator Seri

TBird* Ventilator Series

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