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Chapter 7:  Repair & Replacement

Tranquility Quest Plus CPAP System Service Manual

24

1003740

(Figure 6)

AC Inlet

     Blower Vibration

Isolator (3)

Chassis Mounting Plate

Main PCA

Repair Identification Photo’s (continued)

(Figure 5)

Heat Sink

Display Cable

Pressure Tubing

Ramp Switch Wire

Ramp Switch Wire Harness

Main Power Switch Wire Harness

Summary of Contents for Tranquility Quest Plus

Page 1: ... Tranquility Quest Plus Service Manual ...

Page 2: ...Tranquility Quest Plus CPAP System Service Manual Tranquility Quest Plus CPAP System is patent pending Copyright 2000 Respironics Inc All rights reserved ...

Page 3: ...profits overhead or consequential damages which may be claimed to arise from any sale or use of this product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty is given in lieu of all other express warranties In addition any implied warranty including any warranty of merchantability or ...

Page 4: ...s 4 1 Pressure and Ramp Settings 7 Chapter 5 Routine Maintenance 5 1 Cleaning the System 8 5 2 Cleaning Replacing the Intake Filters 8 5 3 Preventive Maintenance Schedule Factory Recomended 9 Chapter 6 Troubleshooting 6 3 Troubleshooting Table 10 Chapter 7 Repair Replacement 7 1 Service Notice 16 7 2 Technical Support Statement 16 7 3 1 System Exploded View 17 7 4 Repair Kits 18 7 5 Repair Identif...

Page 5: ...740 Appendix A Tools and Equipment A 1 Service Tools and Supplies 32 A 2 Acceptable Test Equipment 32 A 2 1 Digital Manometer 32 A 2 2 Digital Multimeter 33 Appendix B Schematics B 1 Schematic Statement 34 B 2 Main Printed Circuit Assembly PCA 35 Table of Contents Continued ...

Page 6: ...exhalation port may not be enough to clear all of the exhaled gas CO2 from the mask You may breathe in some of the air that you have exhaled If oxygen is used with this device the oxygen flow must be turned off when the device is turned off If the device s air flow is turned off and the oxygen flow is left on oxygen may accumulate in the Tranquility Quest Plus CPAP System enclosure and may create ...

Page 7: ... assure the safety of the service technician and the specified performance of the device Respironics recommends that only technicians having prior training or experience servicing ventilatory devices perform any repairs or adjust ments to the Tranquility Quest Plus High voltages are present inside this device To avoid electrical shock disconnect the electrical supply before attempting any repairs ...

Page 8: ...nformation in this manual is provided for service personnel reference and is not intended for system setup or use System setup should be performed by appropriate personnel using Home Care Dealer Instructions 1 3 NOTES Refer to the Tranquility Quest Plus User s Manual for product use additional warnings cautions and notes Additional WARNINGS CAUTIONS and NOTES are located throughout this manual Cau...

Page 9: ...cm H2 0 Accuracy Static 1 0 cm H2 O for flows between 60 to 120 L min Accuracy Dynamic 1 5 cm H2 O for flows between 60 to 120 L min Chapter 2 Specifications 2 1 Specifications ENVIRONMENTAL Operating Temperature 41 to 104 F 5 to 40 C Storage Temperature 4 to 140 F 25 to 60 C Humidity 10 to 95 non condensing Altitude 0 10 000 ft 0 3048 m Noise Level No specification is given because various test i...

Page 10: ...Plus is a microprocessor controlled Continu ous Positive Airway Pressure CPAP device that produces positive pressure The unit operates only in the CPAP Mode CPAP Mode pressure range 3 0 20 0 cm H2 O Integral to the generation of air flow is the blower assembly Ambi ent air is drawn through the air intake filter by the energized blower and is then pressurized Ultimately therapeutic pressure is pro ...

Page 11: ...3 Theory of Operation Tranquility Quest Plus CPAP System Service Manual 6 1003740 Tranquility Quest Plus Main PCA Control Pad 3 Pushbuttons Air Outlet Optical Connection Tranquility Quest Plus 3 2 Block Diagram ...

Page 12: ...he unit When not in use the Control Panel display will show the current compliance meter reading for the unit This reading will reflect the total number of hours that the patient has been breathing on the unit With the unit turned on and looking at the bottom press the up and down arrow button simultaneously for three seconds and the pressure and ramp setting will be displayed The Minimum Pressure...

Page 13: ...laced with a new one every six months The pollen filter must be in place at all times when the unit is operating The disposable white ultra fine filter increases filtration of pollens dust some tobacco smoke and small particles The ultra fine filter is included with the system but is optional and should be used in addition to the pollen filter The ultra fine filter should never be used without the...

Page 14: ... ______________________ Date____________ Service Technician ________________ Maintenance Item Verification Reference Service Interval Date Record hours of Display As desired compliance Replace Pollen filter Section 5 2 Clean every two weeks or as required Change every six months Replace Ultra fine filter Section 5 2 Replace after 30 nights of if used use sooner if it appears dirty Perform Testing ...

Page 15: ...bbon Cable Intermittent Power Supply Problem An intermittent on off condition exists unit operates randomly or indicator lights blink sporadically Power cord AC inlet Main PCA loose connections Power Supply PCA Inspect power cord Inspect all connectors on the PCAs Power Cord Power Supply PCA Display Display is blank or contains erroneous information Unit delivers therapy pressure Display assembly ...

Page 16: ...on Corrective Action Missing or damaged rubber foot on bottom of unit blower malfunctioning Replace Blower Tubing smells new unit smells new airborne residue buildup Visually inspect patient tubing for contamination Run unit in a clean environ ment for a few hours to eliminate new smell Wash tubing with soap and water To clear residue build up replace all subassemblies in the patient air stream bl...

Page 17: ...ubing A rise in temperature can be expected Ensure the unit is not next to any heat source Symptom Cause Verification Corrective Action Replace in order until solved Filter s Blower Main PCA Pressure Related Problems The outlet pressure does not change or properly adjust Pressure tubing has been blocked disconnected or kinked Main PCA or blower malfunction Inspect pressure tubing for secure connec...

Page 18: ...ng Table Continued The delivered pressure is higher or lower than the set value by more than the specification Perform power up process and check again Check tubing for kinks Replace the Main PCA Replace the Main PCA Symptom Cause Verification Corrective Action Ramp LED Flashing Device not calibrated Unable to turn unit on Replace the Main PCA ...

Page 19: ...iption specified ramp Make sure unit was set for ramp Set unit for ramp Replace Main PCA Pressure Variation The pressure varies around the set value pressure fluctuates greater than 1 cm H2 O Internal air leak Filters dirty Main PCA Blower Air path blocked Replace filters Perform Testing Process see Section 8 1 Replace Blower Replace Main PCA Symptom Cause Verification Corrective Action Compliance...

Page 20: ...P System Service Manual 15 1003740 Chapter 7 Repair Information 7 1 Service Notice 16 7 2 Technical Support 16 7 3 Tranquility Quest Plus CPAP System Exploded View 17 7 4 Tranquility Quest Plus CPAP System Repair Kits 18 7 5 Repair Identification Photo s 22 ...

Page 21: ...uld have prior training or experience servicing ventilatory devices 7 2 Technical Support Respironics is committed to customer satisfaction and may be contacted with any questions or for technical support For technical assistance or replacement part ordering information contact U S and Canada Customer Technical Service Phone 1 800 345 6443 Fax 1 800 886 0245 International Customer Technical Servic...

Page 22: ...7 3 Tranquility Quest Plus CPAP System Exploded View Top Enclosure Blower Assembly Plastic or Aluminum Outlet Port Power Supply Standoffs Heat Sink Display Assembly Main PCA Display Cable Bottom Enclosure Chassis Mounting Plate Blower Vibration Isolator AC Inlet Hose Blower to Flowmeter Ramp Switch Wire Harness Power Supply Mounting Plate ...

Page 23: ...AC Power Cord See Note 1 362524 N A Blower Kit Aluminum See Note 2 1004006 7 9 Blower Kit Plastic See Note 2 1004007 7 9 Blower Vibration Isolator 3 1004008 7 10 Includes 2 Cable Ties Bottom Enclosure 1004004 7 8 Note 1 For available international AC Power Cords contact Respironics Customer Service Note 2 Blower assemblies are not interchangeable Be sure to use the same style blower when replacing...

Page 24: ...ators 1 Bottom Blower Foam Seal 3 Standoffs M F 6 32 x 1 4 2 6 19 x 3 8 Plastite PHP Screws Display Assembly 1004011 7 3 Display Cable 1004013 7 3 Filter Replacement 7301 5 2 Filter Disposable 7302 N A Front Overlay 1004093 7 7 Hose Blower to Flowmeter 1004010 7 3 Includes 1 Hose 2 Cable Ties Tranquility Quest Plus CPAP System Repair Kits Continued Replacement Part Replacement Part No Illustration...

Page 25: ...l 1004090 7 11 Main PCA Quest Plus Only 1004005 7 10 Includes Main PCA 2 Standoffs 2 4 40 x 5 8 PHP Screws 1 6 19 x 3 8 Plastite PHP Screw 1 Tubing Assembly 1 Tubing Sub Assembly 5 3 4 1 Tubing Sub Assembly 8 1 2 Outlet Port Flowmeter 1004003 7 8 Includes 1 Outlet Port 1 6 19 x 3 8 Plastite PHP Screw Replacement Part Replacement Part No Illustrations ...

Page 26: ...vice Manual 21 1003740 Power Supply 1004421 7 9 2 6 32 X 1 4 Screws 2 6 32 X 1 2 Screws 1 Insulator Ramp Switch Wire Harness 1004002 7 9 Rubber Feet x4 1004516 7 10 Service Manual 1004014 N A Top Enclosure 1004095 7 8 Replacement Part Replacement Part No Illustrations ...

Page 27: ...tem Service Manual 22 1003740 Figure 2 Top Enclosure Fuse Drawer Bottom Enclosure On Off Switch Ramp Buttom Outlet Port Figure 1 Fiber Optic Communication Port 7 5 Repair Identification Photo s Replacement Filter AC Inlet Power Fuse Label Not Shown Front Overlay ...

Page 28: ...ement Tranquility Quest Plus CPAP System Service Manual 23 1003740 Power Supply PCA Figure 4 Blower Assembly Figure 3 Repair Identification Photo s continued Power Supply AC Input Wire Harness Cable Tie through Main PC Board ...

Page 29: ...Service Manual 24 1003740 Figure 6 AC Inlet Blower Vibration Isolator 3 Chassis Mounting Plate Main PCA Repair Identification Photo s continued Figure 5 Heat Sink Display Cable Pressure Tubing Ramp Switch Wire Ramp Switch Wire Harness Main Power Switch Wire Harness ...

Page 30: ...Chapter 7 Repair Replacement Tranquility Quest Plus CPAP System Service Manual 25 1003740 Rubber Feet x4 Symbols Label Control Panel Repair Identification Photo s continued Figure 7 ...

Page 31: ...Service Manual 26 1003740 Chapter 8 Testing 8 1 Tranquility Quest Plus System Final Test 27 8 2 Tranquility Quest Plus System Final Test Data Sheet 29 8 3 Clinical Remote Control Testing Optional 30 8 4 Clinical Remote Control Test Data Sheet Optional 31 ...

Page 32: ...tical Interface Cable RI P N 1701 06 Used for Clinical Remote Control Testing Equipment Setup Place the test orifice onto the outlet of the unit Connect the manometer to the test orifice using pressure tubing Connect the AC power cord to the unit and to the wall outlet Procedure Step 1 Turn the unit on Hold the up and down arrow buttons in for three seconds Set the pressure for 3 cm H2 O and the r...

Page 33: ...ssure change in ramp operation Record the results If necessary turn the unit off and then back on again to disable the ramp feature Step 8 Run the unit in for four hours at the 10 cm H2 O setting Record start and stop times Step 9 Verify the pressure to be 9 0 to 11 0 cm H2 O on the manometer after run in Record the results Step 10 After run in repeat steps 2 through 8 and then proceed to step 11 ...

Page 34: ...l Actual Final Pre Run In Post Run In Pass Fail LED Illuminated 2 Pass Fail Minimum Pressure 2 5 to 3 5 Occluded 3 cm H2 O Minimum Pressure 2 0 to 4 0 Unoccluded 4 cm H2 O Maximum Pressure 6 19 0 to 21 0 cm H2 O Ramp 7 Pass Fail Pressure after Run In 9 9 0 to 11 0 cm H2 O 123456789012345678901 123456789012345678901 123456789012345678901 123456789012345678901 123456789012345678901 12345678901234567...

Page 35: ...Press the ramp button on the front of the CPAP unit Verify that the amber LED is lit and that the pressure drops to approximately 3 0 cm H2 O The pressure will increase over the specified time period until the pressure setting is reached Verify at least 1 cm H2 O in pressure change in ramp operation 3 Turn the units main power switch off 4 Disconnect the CPAP remote from the 7400 8 3 Clinical Remo...

Page 36: ...umber Service Notification RI use Model Number Test Step Specification Actual Actual Final Pre Run In Post Run In Pass Fail CRC Setting 17 7 to 18 3 18 cm H2 O cm H2 O CRC Setting 14 7 to 15 3 15 cm H2 O cm H2 O CRC Setting 8 7 to 9 3 9 cm H2 O cm H2 O CRC Setting 5 7 to 6 3 6 cm H2 O cm H2 O CRC Setting 2 7 to 3 3 3 cm H2 O cm H2 O CRC Ramp LED Illuminated and Ramp Pass Fail Operation Tested By P...

Page 37: ...tation minimum requirement is a grounded mat and wrist strap Digital Manometer see Section A 2 Digital Multimeter see Section A 2 O2 Enrichment Port RI P N 312010 Test Orifice RI P N 532232 Whisper Swivel II RI P N 332113 Cleaning cloth Isopropyl alcohol A 2 Acceptable Test Equipment A 2 1 Digital Manometer Specifications 0 25 cm H2 O or better 0 3 cm H2 O accuracy 0 1 cm H2 O resolution Acceptabl...

Page 38: ...CPAP System Service Manual 33 1003740 A 2 2 Digital Multimeter Specifications 2 5 digit readout minimum 0 0 20 0 VDC 0 0 25 0 VAC Acceptable Options Fluke 83 or better model Any commercially available digital multi meter that meets the above specifications ...

Page 39: ...e intended to satisfy administrative requirements only They are not intended to be used for component level testing and repair Any changes of components could affect the reliability of the device prohibit lot tracking of electronic components and void warranties Repairs and testing are supported only at the complete board level The schematics are of the revision level in effect at the time that th...

Page 40: ...Tranquility Quest Plus CPAP System Service Manual 35 1003740 B 2 Main Printed Circuit Assembly PCA ...

Page 41: ...Tranquility Quest Plus CPAP System Service Manual 36 1003740 B 2 Main Printed Circuit Assembly PCA ...

Page 42: ...Reorder 1004014 Revision 1003740 DS KT 01 05 00 ...

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