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CASMED 740 Vital Signs Monitor Service Manual

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5. 102 Figure 24 Replacing the SureTemp Plus Temperature 103 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 10 TABLES Parts of the Sy Stern episodi edenda Reg 12 Monit r Configuration Si u unu wau 15 Software Revisions 46 DBS PIM mc E 54 SureTemp Temperature Error 72 Plus Temperature Error 73 Error Messages the Message Window sse 74 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL 1 INTRODUCTION AND INTENDED USE INTRODUCTION The CASMED 740 Monitor is multi parameter monitor measuring blood pressure oxygen saturation and temperature Non invasive blood pressure is measured using the oscillometric technique determining systolic diastolic mean arterial pressure and pulse rate The pulse oximeter function continuously monitors and displays values for functional arterial hemoglobin saturation and a pulse rate Temperature is obtained in the normal predictive mode in as little as four 4 seconds A monitoring mode is available for taking axillary temperatures BRIEF DEVICE DESCRIPTION The CASMED
6. NOILV IOSI aen aal pxy 1 QXL veal OSI ant 9pIS V R PPM 012 2 013 135 21 02 0174 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Page 3 of 3 1915 LN3NOdMWNOS 1915 8301035 21 02 0174 02 05 08 136 CASMED 740 MONITOR SERVICE MANUAL DC CONVERTER BOARD WSN 19 SW31SAS 1V9IO3W SVO 620 10 06 avd 0 60 0 55 8SS SNI r O O 4 21 02 0174 02 05 08 137 CASMED 740 MONITOR SERVICE MANUAL PROPRIETARY BOARDS Due to the proprietary nature of the Power Supply Board from Condor the SpO Boards from Masimo Nellcor and Nonin and the Temperature Boards from Welch Allyn the schematics board layouts and bill of materials could not be placed into this service manual Contact Condor Masimo Nellcor Nonin and Welch Allyn directly for this information 21 02 0174 REV 02 05 08 138 CASMED 740 MONITOR SERVICE MANUAL 14 SPARE PARTS PRINTED CIRCUIT BOARDS Part Number 03 09 0243 03 09 0235 03 09 0262 03 09 0263 28 02 0419 03 08 0614 28 02 0424 28 02 0106 11 01 0057 03 09 0241 03 09 0272 03 09 0239 28 02 0109 28 02 0483 Description DC Input Board 740M Main Control Board
7. 45 ENTERING THE MONITOR CONFIGURATION 45 SAVING YOUR CHANGES eret 45 SOFTWARE REVISIONS ens eit 46 SETTING THE 46 SELECTING THE PATIENT MODE uu Seat he 47 SELECTING THE POWER OFF DELAY 47 SELECTING THE TEMPERATURE 48 AUDIO ALARM SILENCE SILENCE RESET Pushbutton 48 2 MINUTE AUDIO ALARM SILENCE eee ene 48 PERMANENT AUDIO ALARM 49 PRIME SORE T Eme 49 MAP VALUE ENABLE 7 DISABLE teat rt ther 49 SET THE SpOz ALARM DELAY eene ute pee t inen e RE 50 SET LING THE DATE hain ctor Sore Magen 50 SETTING THE 50 DAYLIGHT SAVING TIME OPTION 51 8 EXTERNAL DEVICE 53 OVERVIEW eni teu e te ap Ale ee emet vet A 53 53 NURSE CALL INTERFACE reri eR 53 9 ROUTINE 5
8. 68 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL ERROR eee doux es 70 SpOs USER MESSAGES de e i er eos mersa 70 TEMPERATURE USER MESSAGES 2 71 MISCELLANEOUS TEMPERATURE 73 ERROR MESSAGES THE MESSAGE WINDOWN 74 11 MAINTENANCE PROCEDURES 2 2 77 mI 77 EQUIPMENT REQUIRED tace 77 78 TURNING THE CASMED 740 MONITOR ON 78 DISPLAYING THE TIME u Qu nenas 79 iot iicet rers A y 79 SpOs AUDIO tee recedet 80 CONFIGURATION MODE 5 8 00000 0 0 0 0 nnn 80 ENTERING THE TEST MODBDBE eee Q a hI 80 EXIT THE TEST 200000 0 0 nena rennen 81 LE DiGHE GK x oed unus 05 22 81 12 VOLT POWER SUPPLY 0 1 ne 81 CALIBRATION 0 1 00
9. Plus CAUTION Do not use hard or sharp objects to clean the probe well This could damage the probe well and cause the unit to not function properly Do not use steam heat or gas sterilization on the probe well Do not autoclave the probe well As necessary clean the inner and outer surfaces of the probe well by swabbing the surface with a cloth dampened with a mild detergent solution or a 7096 isopropyl alcohol or a 1096 chlorine bleach solution or a non staining disinfectant NOTE Thoroughly dry all surfaces before re assembling the monitor PNEUMATIC PRESSURE CHECK A check of the monitor s pneumatic pressure system should be performed every six 6 months 21 02 0174 REV 02 05 08 58 CASMED 740 MONITOR SERVICE MANUAL SAFETY CHECKS The following Safety Checks should be performed at least every twelve 12 months by a qualified service technician e Inspect the equipment for mechanical and functional damage SYSTEM CHECKS The following System Checks should be performed at least every twelve 12 months by a qualified service technician All LEDs Check 12 Volt Power Supply Check System Pressure Checks Overpressure Check Temperature Calibration Check Oximetry Calibration Check Chassis Leakage The following Electrical Safety Check should be performed any time the case is opened or patient isolation is in question Hypot BATTERY CAS Medical Systems
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11. 740 Vital Signs Monitor Service Manual FOR WHAT S VITAL C 0086 21 02 0174 REV 02 05 08 21 02 0174 02 05 08 THE CASMED 740 VITAL SIGNS MONITOR FEATURES CASMED 740 1 Non Invasive Blood Pressure and Pulse Rate CASMED 740 2 Non Invasive Blood Pressure Pulse Rate and Pulse Oximeter or Non Invasive Blood Pressure Pulse Rate and Temperature CASMED 740 3 Vital Signs Monitor with Non Invasive Blood Pressure Pulse Rate Pulse Oximeter and Predictive Temperature IMPORTANT This manual addresses all parameters of the CASMED 740 Vital Signs Monitor You may have purchased a model that does not have all the parameters referred to in the manual THIS MANUAL REMAINS SUITABLE FOR USE WARNING The CASMED 740 Monitor is to be operated by qualified personnel only Before use carefully read this manual including accessory directions for use all precautionary information and specifications The user must check that the equipment functions safely and see that it is in proper working condition before being used 21 02 0174 REV 02 05 08 05 CAS Medical Systems Inc 44 East Industrial Road Branford CT 06405 U S A Phone MediMark Europe 800 227 4414 11 rue E Zola 38100 203 488 6056 Grenoble France Fax 203 488 9438 E Mail custsrv casmed com sales casmed com techsrv casmed com Web Should servic
12. NOTE The monitor must be in the Configuration Mode in order to perform the following functions e All LEDs Check 12 Volt Power Supply Check e Calibration Check System Pressure Over Pressure e Pneumatic Pressure Checks e Temperature Calibration Check ENTERING THE TEST MODE To enter the monitor s Configuration Menu press and hold the ALARM LIMITS and VOLUME pushbutton keys while the monitor is being turned Once in the menu press one of the PREVIOUS CYCLE TIME ALARM LIMITS programmed pushbutton keys until the Message Window briefly displays Test Mode followed by 0 mmHg NOTE While in the Test Mode if no pushbutton is pressed within 15 minutes the monitor will automatically terminate the Configuration menu and return to the Ready mode WARNING Do not place the monitor in the TEST MODE when a cuff is attached to a patient 21 02 0174 REV 02 05 08 80 CASMED 740 MONITOR SERVICE MANUAL EXIT THE TEST MODE When you have completed with the Test Mode press the STOP pushbutton to exit The Message Window will briefly display Saving and return to the Ready state LED CHECK Perform the following procedure to verify the functionality of all front panel LED displays and visual indicators 1 Enter the Test Mode The Message Window will briefly display TEST MODE followed by 0 mmHg 2 Press and hold either the ARROW UP or ARROW DOWN p
13. tsay 81 SYOTEM PRESSURE 82 25 ettet teet 82 PNEUMATIC PRESSURE CHECKS G AREE EER 83 2 see nya dete tations 83 50001 PRESSURE CHECK teret tete a eee tete cte 83 NIBP SIMULATOR CHECK 84 TEMPERATURE CALIBRATION CHECK a 84 OXIMETRY CALIBRATION CHECK nennen nennen 85 5 SIMULATOR CHECK 85 ELECTRICAL SAFETY 4 0 1 66 85 ete esi atta 85 MONON 86 EE 86 DATA SHEET 87 12 2 XEM SRI RIA 89 89 REQUIRED ete ee ett E E 89 fem rr 89 ace teen eerte eon 89 REPLACING THE MONITOR 90 REMOVING THE BATTERY 2 2 00 0 0 0 aaa aaa 90 INSTALLING THE
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15. 3 Install the ribbon cable from the front panel Keyswitch into the J6 connector 4 Fold the Main Control Board assembly over onto the Front Case NOTE Ensure the Display Window is free of dust and scratches before assembly NOTE Be careful not to crimp the ribbon cable between the PC Board and the Front Case 21 02 0174 REV 02 05 08 98 5 7 CASMED 740 MONITOR SERVICE MANUAL Secure the board to the standoffs with the hardware previously removed Re install the NIBP Board and any remaining option boards previously removed Finish assembling the monitor by following the steps in section Monitor Assembly REPLACING THE FRONT PANEL KEYSWITCH The Front Panel Keyswitch is part of the Front Case Assembly Removal 1 2 3 4 5 Complete the steps in Prior to Disassembly and Monitor Disassembly Complete the steps in Replacing the Main Control Board to remove the board from the monitor Using the flat blade screwdriver loosen the keyswitch from the front panel by pushing on the keyswitch from the inside of the front panel in the location where the ribbon cable is located Pry the defective keyswitch loose from the front panel Clean the keyswitch recess surface area of all remaining adhesive with 91 Isopropyl Alcohol Figure 20 Replacing the Front Panel Membrane Keyswitch 21 02 0174 REV 02 05 08 99 CASMED 740 MONITOR SERVICE MANUAL Installation 1 2 Remove t
16. 00000 0 1 1 90 CHANGING THE 5 8 1 91 4 2 uya 136 1012 2 2 91 740 kuma 92 21 02 0174 02 05 08 CASMED 740 MONITOR SERVICE MANUAL MAIN MONITOR SERVICE PROCEDURES sss eene 92 PRIOR TO DISASSEMBLY trie pasa auqa tt ais 92 MONITOR DISASSEMBLY ln ta t pras nois 93 MONITOR ASSEMBLY cure iere eode palT rtg blonde 93 REPLACING THE POWER SUPPLY MODULE eene 94 REPLACING THE MODUIE etude etr te dn 95 REPLACING THE SpO MODLUIE nando enun ae 96 REPLACING THE TEMPERATURE MODULE eee 97 REPLACING THE MAIN CONTROL BOARD eee 98 REPLACING THE FRONT PANEL KEYSWITCH eene 99 MODULE SERVICE PROCEDURES ene nhan etn tr Rh ou P Sp E RR I I re 100 REPLACING THE RS232 NURSE CALL INTERFACE BOARD 100 REPLACING THE TEMPERATURE INTERFACE SWITCH BOARD 101 SURETEMP PLUS MODULE PR paene ma RR cens 102 REPLACING THE RS232 NURSE CALL INTERFACE BOARD 102 REPLACING THE SURETEMP PLUS TE
17. Systolic Pressure Diastolic Pressure and Mean Arterial Pressure MAP Pulse Rate 2 Temperature in Fahrenheit or Celsius Parameters Displayed SAFETY LIMITS Characteristic Specification Automatic Cuff Deflation If cuff pressure exceeds 290 mmHg Adult 145 mmHg Neonate If measurement time exceeds 120 seconds Adult 90 seconds Neonate If safety timer detects microprocessor failure 21 02 0174 REV 02 05 08 144 OPERATING MODES CASMED 740 MONITOR SERVICE MANUAL Characteristic Specification Patient NIBP function in Neonatal or Adult NIBP Manual STAT or Automatic at preset intervals History Review of previous measurements SpO gt Continuous Monitoring Temperature Predictive or Continuous Monitoring POWER Characteristic Specification Source External line or internal battery AC Power 100 240 50 60 Hz 0 5A Fuse Rating T500mAL250V or T1 25AL250V two provided Refer to rear panel monitor labeling for actual fuse rating DC Power EMS Option 12 VDC 7W Fuse Rating Wickman Type Time Lag 3 15A 125VAC or approved equivalent one provided Battery Nickel Metal Hydride NiMH battery pack user removable Charge Time 4 hours Operation on battery 100 NIBP readings when set in the 5 minute Automatic Mode Le
18. If the accuracy of any measurement does not seem reasonable first check the patient s vital signs by an alternate method NOTE The SpO probe must be kept as motionless as possible to make a proper determination Use the SpO strength bar graph to determine if a strong rhythmic pulse signal is present When no oximeter probe is attached to the monitor the 5 gt window and signal strength window will be blank When no SpO pulse data is available the monitor will display the last NIBP pulse When the probe is connected to the monitor but is off of the patient the message is displayed in the 5 and Pulse Rate windows The Message Window flashes the message Prb OFF and three 3 audio are heard every twenty five 25 seconds Press the SILENCE RESET pushbutton The monitor silences the audible alarm tone but the message remains If the message Prb should appear in the 96SpO window verify that the probe being used is the correct one for the monitor s SpO configuration Masimo Nellcor Nonin or that the probe is not defective Press the SILENCE RESET pushbutton The monitor silences the audio alarm tone but the message remains Remove the defective probe and replace it with a working probe If the 5 Module located inside the CASMED 740 Monitor should fail the message Err will appear the 5 display window Press the SILENCE RESET pushbutton The monitor
19. Plus Need to provide complete model number and serial number when ordering Main Control Board Need to provide complete model number and serial number when ordering Main Control Board 740 1 Masimo SpO Board ND Module Nellcor SpO Board Nonin SpO Board Power Supply Board RS232 Nurse Call Interface Board RS232 Nurse Call Interface Board SureTemp Plus Temperature Interface Switch Board Welch Allyn Temperature Board Welch Allyn Temperature Board SureTemp Plus SWITCHES CONTROLS CONNECTORS Part Number 21 06 0015 21 06 0031 27 03 0094 22 01 0271 22 01 0289 CABLES Part Number 18 02 0220 18 02 0228 18 02 0225 18 02 0226 18 02 0224 18 02 0222 18 02 0219 Description Membrane Keyswitch Panel Membrane Keyswitch Panel with English Text NIBP Input Connector Power Entry Module with Line Filter Power Entry Module used with Ground Lug 27 04 Description Control Board to Battery Harness Internal Power 740M Masimo SpO Input Cable Nellcor to Main Control Board Cable SpO Input Cable Nonin 5 Input Cable Supply to Main Control Board Harness 21 02 0174 REV 02 05 08 139 CASMED 740 MONITOR SERVICE MANUAL MISC PARTS Part Number 23 01 0118 29 01 0300 29 01 0294 29 01 0295 29 01 0301 29 01 0302 29 01 0326 29 01 0328 14 01 0005 28 02 0422 09 01 0002 09 01 0008 09 01 0034 28 02 0433 28 02 0482 29 01 0299 21 01 1317 21 01 1746 01 02
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21. CASMED 740 MONITOR SERVICE MANUAL MANUAL OVERVIEW This manual contains information for diagnosing and servicing the CASMED 740 Monitor to board level without the necessity of electrical schematics Only qualified service personnel should service this product It is the user s responsibility to ensure that the product is properly maintained and that the monitor is in safe and proper operating condition before being put into use Before servicing the CASMED 740 Monitor read the User s Manual carefully CAS Medical Systems Inc believes the information herein is complete and accurate but accepts no liability for errors omissions or misrepresentations INTENDED AUDIENCE This manual is intended for service representatives and technical personnel who maintain troubleshoot or repair this equipment DEFINITION OF TERMS In this manual WARNING CAUTION IMPORTANT and NOTE mean the following WARNING Directions that warn of conditions that put the patient or caregiver at risk CAUTION Directions that help you avoid damaging your monitor or losing data IMPORTANT Directions you should be particularly aware of something not readily apparent NOTE Directions that make it easier to use your monitor RELATED DOCUMENTS To perform test and troubleshooting procedures you must know how to operate the monitor Refer to the CASMED 740 Vital Signs Monitor User s Manual 21 02 0174 REV 0
22. The CASMED 740 Monitor provides an isolated relay switch closure output connection between two 2 of the pins on the DB9 RS232 output connector The output is compatible with most Nurse Call Systems in that there is no polarity to the connection When properly connected the Nurse Call Interface activates the Nurse Call System each time an alarm is activated on the monitor The delay time for the Nurse Call Interface to activate is less than 0 5 seconds The Nurse Call System s relay contacts are rated at 120 VAC at 0 3A or 30 VDC at 1 0 A The Nurse Call Option is available as a normally open closed on alarm or normally closed open on alarm depending upon how it is wired For normally open N O applications the Nurse Call system needs to be connected to pins 1 and 9 of the RS232 connector For normally closed N C applications the Nurse Call system needs to be connected to pins 6 and 9 Refer to Figure 8 and Table 4 for connection information WARNING The connection to the Nurse Call Interface should only be installed by a qualified service personnel 21 02 0174 REV 02 05 08 53 CASMED 740 MONITOR SERVICE MANUAL TEST and follow the guidance given WARNING The interconnection of auxiliary equipment to the Nurse Call Interface may increase the total leakage current The user must read the Warning on Page 20 under LEAKAGE CURRENT NOTE Even though the Nurse Call Interface allows remote alar
23. 5 Nonin SpO Remove the Nonin SpO board from the Interface board by gently lifting the PCB from the four 4 nylon standoff support posts while pinching together the prong tips Separate the SpO board from 42 connector located on the Interface board Figure 17 Replacing the SpO Module Installation 1 Nonin SpO Align the J2 connector with its mating connector on the SpO module and gently push the SpO board down Secure the board in place by gently pushing down the four corners 2 Place the 5 module onto the standoffs located on the Main Control board Secure the board to the standoffs using the Loctite adhesive and the hardware previously removed Apply a small amount of the adhesive to the threads of the screws and torque to 30 in oz 3 Connect the harness assembly from the side panel input connector 4 Connect the harness assembly from the Main Control board 5 Finish assembling the monitor by following the steps in section Monitor Assembly 96 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE TEMPERATURE MODULE SureTemp Temperature The Temperature Module is part of the Front Case Assembly Removal 1 Complete the steps in Prior to Disassembly and Monitor Disassembly 2 Remove the Temperature Module by gently lifting the PCB from the four 4 nylon standoff support posts while pinching together the prong tips 3 Separate the Temperature Module from the J8 and J9
24. 133 CASMED 740 MONITOR SERVICE MANUAL RS 232 NURSE CALL INTERFACE BOARD SureTemp Plus Page 1 of 3 T z p n Pug 1002 Z0 1 o 4600 10 20 sauny meuna 94 99 I x VSN 12 9658 7993 31 90901 8 00 7393151 H 90 82 arai ASSY 6120 60 50 6550 10 08 50590 54 1no g ino N23 ava NIA 431512398 SS3 IN 808 IHL 30 3015 MOVE JHL NO 318 38 SLNIOd 1831 TIV L SALON ON 841 AWTS NOWWO2 NOILV1OSI 1N3l1Vd td OSI OSI AS V33V esnJ inonin 241 NA lt Suna a 21 02 0174 REV 02 05 08 134 9600 10 20 eng SILVW3HOS dWALIZE2 Su 072 5 5 SVO CASMED 740 MONITOR SERVICE MANUAL OSI LOSI AS NOLLV1OSI
25. 2 PWM capture compare modules UART SPI and five 5 8bit analog to digital channels Indicator LED s is the power low battery charging indicator that is controlled by an output port of the Microcontroller U5 Temperature Monitoring SureTemp The Temperature module is an option that is plugged into J8 and J9 of the Main Control Board The isolated power supply for the Temperature Module circuit 5 1501 is controlled by an output pin of the Supervisor U5 pin 28 The Module is read by the Supervisor U5 thru the serial port The Temperature information is then sent to the DSP U20 thru the SPI port 21 02 0174 REV 02 05 08 67 CASMED 740 MONITOR SERVICE MANUAL Temperature Monitoring Plus The Temperature module is an option that is plugged into J10 of the Main Control Board The isolated power supply for the Temperature Module circuit 45V 1501 on the RS 232 Temp I F board is controlled by an output pin of the Supervisor U5 pin 28 The Module is read by the Supervisor U5 thru the serial port The Temperature information is then sent to the DSP U20 thru the SPI port Power Smart Module The Power Smart Module option comes into the Main Control Board at J2 pins 2 and 3 The Power Smart Module is read by the Supervisor U5 pins 25 and 26 then sent to the DSP U20 thru the SPI port Power ON OFF and Reset to Digital Signal Processor Controller The Power switch comes into the Main Contr
26. NOTE An optional six 6 foot inflation hose is available when monitoring in the NEO mode Refer to the Accessories section in the User s Manual for part number information SpO SENSOR CONNECTION if equipped Connect the sensor cable in this receptacle SpO monitoring 21 02 0174 REV 02 05 08 43 CASMED 740 MONITOR SERVICE MANUAL RIGHT SIDE VIEW 2 L S 5 SureTemp Plus Figure 7 Right Side Panel View TEMPERATURE HOLDER if equipped Store the Temperature Probe and Temperature Probe Covers in their holder locations when it is not in use NOTE Insure that the Temperature probe is secured in its holder An audible click should be heard when the SureTemp probe is completely placed into its holder The SureTemp Plus probes will slide in and out of the Probe Well without any restrictions 21 02 0174 REV 02 05 08 44 CASMED 740 MONITOR SERVICE MANUAL 7 MONITOR CONFIGURATION The Monitor Configuration section allows the user to configure the CASMED 740 Monitor Once entered the user can Review the monitor s internal Software Revisions Set the Operating Language Select the Patient Mode Select the Power Off Delay Time Select the Temperature Scale Make selections for Audio Alarms Choose to display the MAP value Set SpO Alarm Delay Set the Date Set the Time Set Daylight Saving Time Option Perform System Che
27. PHYSICAL DIMENSIONS amp WEIGHT Characteristic Specification Base Unit H x W xD 6 75 in x 8 5 in x 3 0 in 17 cm x 21 5 cm x 7 5 cm Weight 3 lbs approx 1 4 kg 21 02 0174 REV 02 05 08 146 SERIAL INTERFACE CASMED 740 MONITOR SERVICE MANUAL Characteristic Specification Interface Bi directional serial communication Speed 9600 for Printer 115200 for CAS Serial Protocol Signal Level RS232C Data Length 8 bits Start Bit 1 bit Stop 1 bit Parity None Flow Control None NURSE CALL INTERFACE Characteristic Specification Max Switch Power 0 3 A at 120 VAC or 1 0 A at 30 VDC Relay contacts Floating one opening and one closing contacts Max Delay Less than 0 5 seconds OPTIONAL ACCESSORIES Infrared Printer Swiveled Hard Mount for ambulance applications Roll Stand and Basket Protective Carrying Case 21 02 0174 REV 02 05 08 147 CASMED 740 MONITOR SERVICE MANUAL STANDARDS Accuracy complies with that given in American National Standard for Electronic or Automated Sphygmomanometers ANSI AAMI SP10 2002 Adult blood pressure measurements determined with this device are equivalent to those obtained by an auscultatory blood pressure measurement device and neonatal ones are equivalent to those obtained by an intra arterial blood pressure device within the limit
28. one quarter turn The plug must fit securely into the connector for this test to be performed properly 2 Enter the Test Mode The Message Window will briefly display TEST MODE followed by 0 mmHg 3 Press the START pushbutton to begin the Pressure Check 4 The Message Window will display Chk Prs will inflate to approximately 180 mmHg and attempt to hold this pressure The pressure value will be displayed in the SYSTOLIC display window This test takes about fifteen 15 seconds 5 At the completion of a successful Pressure Check the Message Window will display Passed the monitor will beep two 2 times and will return to the Calibration Check function after five 5 seconds 6 If the monitor fails the Pressure Check the Message Window will display Leak the monitor will beep three 3 times and will return to the Calibration Check function after five 5 seconds Due to the volume differences of the hoses offered with the CASMED 740 Monitor the monitor may incorrectly fail the Plug Tube check Should the monitor fail the Plug Tube Pressure Check obtain a 500 ml Pressure Cylinder and follow the 500 ml Pressure Check 500 ml PRESSURE CHECK Obtain a fixed volume 500 ml Pressure Cylinder CAS p n 01 02 0248 1 Place the end of the monitor s inflation hose securely onto the luer fitting at the top of the pressure cylinder The hose must fit securely onto the connector for this test to be performed properly
29. s current setting for the MAP value MAP or MAP Use the ARROW UP or ARROW DOWN pushbuttons to make your selection NOTE When MAP is selected MAP values are omitted from History Display and Printing as well All alarms associated with MAP values are also disabled Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode 21 02 0174 REV 02 05 08 49 CASMED 740 MONITOR SERVICE MANUAL SET THE SpO ALARM DELAY The delay time until an alarm is generated for 5 and Pulse Rate can be configured to be either zero 0 seconds Delay 05 or ten 10 seconds Delay10S The default value used by the Model 740 Monitor is ten 10 seconds To configure the 5 Alarm Delay first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the monitor s current setting for the SpO Alarm Delay Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode SETTING THE DATE The CASMED 740 Monitor s Date value is set at the factory To set the Date first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIG
30. 0248 29 01 0298 29 02 0020 24 04 0007 01 02 0095 01 02 0455 140 Description Battery Harness Plate Case Front with SpO window Case Front without SpO window Case Rear Case RS232 Module Case Temperature Module Case Temperature Module SureTemp Plus Cover Temperature Module SureTemp Plus Clock Battery Foot Pad Fuse 250V 500mA 5 x 20mm Slow Blow 2 per monitor Refer to the monitor s rear panel labeling for actual fuse rating Fuse 3 15 Amp Time Lag 740M Fuse 250V 1 25A 5 x 20mm Slow Blow 2 per monitor Refer to the monitor s rear panel labeling for actual fuse rating Gasket Side Module Gasket Side Module SureTemp Plus IR Window Label Set Label Set SureTemp Plus Module Pressure Cylinder 500 mL Sensor Connector Panel Masimo and Nellcor Sensor Connector Panel Nonin Speaker SureTemp Calibration Key SureTemp Plus Calibration Key 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL 15 SPECIFICATIONS NIBP MEASUREMENT Characteristic Specification Technique Oscillometric MAX NIBP Technology Microprocessor software eliminates most ambient noise and motion artifact Patient Range Neonate Adult Blood Pressure Range NEO ADULT Systolic 30 135 mmHg 30 255 mmHg Diastolic 15 110 mmHg 15 220 mmHg MAP 20 125 mmHg 20 235 mmHg Pulse Rate Range 40 240 BPM 30 240 BPM Accu
31. 05 08 36 ON STANDBY CASMED 740 MONITOR SERVICE MANUAL Press once turns the CASMED 740 Monitor s display if it was OFF To turn the monitor s display OFF either press once or press and hold for two 2 seconds Based on the selection for Power Off Delay Time in the Configuration menu Refer to Page 47 for more information NOTE Monitors shipped earlier displayed the symbol SILENCE RESET START STAT VY STOP When pressed during an active patient alarm silences the audio portion of that alarm for fifteen 15 seconds When pressed during an active equipment alarm the alarm condition shall be acknowledged along with the audio and visual shall be removed Used to enable and disable the two 2 Minute Audio Off or Permanent Audio Off feature Allows the user to clear NIBP SpO and Temperature messages from the front panel display START Initiates a blood pressure measurement in the Manual Mode or begins the selected Automatic Cycle STAT Starts a series of NIBP measurements press and hold for two 2 seconds Continues for five minutes Cancels any active blood pressure function and immediately deflates the cuff Also used to cancel out of a menu and return to Ready 21 02 0174 REV 02 05 08 37 CASMED 740 MONITOR SERVICE MANUAL SN min N TIME LIMITS ARROW UP 38 7 HISTORY K VOLUME Allows the user t
32. 1 Connect the monitor to an AC power source 2 Verify that the monitor is OFF and that the Battery Power Visual Indicator is lit Green 3 Charge the battery for at least four 4 hours TURNING THE CASMED 740 MONITOR ON Perform the following procedure to verify the CASMED 740 Monitor powers ON properly 1 Connect the monitor to an AC power source 2 Verify that the monitor is OFF and that the Battery Power Visual Indicator is lit Green 3 Do not connect any cables to the monitor 4 Press the ON STANDBY pushbutton on the front panel to turn the monitor ON Upon applying power to the monitor the CASMED 740 Monitor displays a one 1 second Configuration Setup Test and conducts a four 4 second electronic Power On Self Test POST to ensure that its internal circuits are functioning properly NOTE The user should use the Power On Self Test as a verification tool that all front panel visual indicators and the audio are functioning properly The one 1 second Configuration Setup Test is a visual indication of the CASMED 740 Monitor s current configuration It consists of the monitor s Model number and a description of its power source 740 or 740M an Installed Parameter Code 1 2 3 and a one 1 or two 2 character module configuration code As an example upon power up the CASMED 740 Monitor displays 740 2MS e The first set of characters indicates the Model number and the source of its power supply
33. 10 saar dug 21 02 0174 02 05 08 113 CASMED 740 MONITOR SERVICE MANUAL Page 9 of 12 IX 1 NIVIN 072 ue an 192 21 02 0174 REV 02 05 08 114 CASMED 740 MONITOR SERVICE MANUAL Page 10 of 12 1081409 091 swaps SVD N A0193402 r Vosa Exi voza 1 ir seu sen Tonve conve Tawa VO 300 vor ISVO gt gt gt gt gt gt xao vos gt iSu won 21 02 0174 02 05 08 115 CASMED 740 MONITOR SERVICE MANUAL Page 11 of 12 164 Sry 979 Oooo tcu 6 658 99 Cw 80000 ae Hs 1 9031 823 Lu in zo 04 1020 10 IM 5131545 EET 21 02 0174 REV 02 05 08 116 CASMED 740 MONITOR SERVICE MANUAL Page 12 of 12 vr 283 Ln O 668 6281 LJ 959 210 99 8241 woo x II S 0000 ow 559500 8 55 vosi ig 098 898 1 ET 169 92 4 052 3333335 E
34. As needed clean the monitor using a soft cloth dampened with a mild dishwashing detergent solution and gently rub the soiled area until clean Use a clean soft cloth to dry the monitor Do not use abrasive cleaners on the monitor Do not use either isopropyl alcohol or solvent to clean the monitor Use of these cleaners can cause damage to the monitors surface Do not immerse the monitor or power cord in the cleaning solution When necessary the monitor surfaces may be disinfected using a soft cloth saturated with a 1096 1 10 solution of chlorine bleach in tap water When all of the surfaces have been disinfected wipe the entire surface of the monitor using a soft cloth dampened with fresh water to remove any trace amounts of residue and or fumes NOTE Thoroughly wipe off any excess cleaning solutions Care should be taken to prevent water or cleaning solution to run into connector openings or crevices 21 02 0174 REV 02 05 08 55 CASMED 740 MONITOR SERVICE MANUAL THE DISPLAY CAUTION Use care when cleaning the display Scratches may occur Occasionally as needed clean the display window using a soft lint free cloth sprayed with an alcohol free glass cleaner Do not use either isopropyl alcohol or solvent to clean the display Use of these cleaners can cause damage to the display The use of paper towels is not recommended as it may scratch the surface CUFFS Prior to each patient use inspect the blo
35. CAS Medical Systems to have the within the monitors Main Control monitor serviced Board Dead Bat The battery is fully discharged Recharge the battery for at least 4 hours Flow Err Stable cuff pressure cannot be Check the external tube for kinks maintained by the pneumatic system Perform a Pneumatic Check as detailed in the Maintenance section of this manual Replace cuff LooseCuf Cuff applied too loosely Check cuff for proper fit on patient Low Batt The battery is almost discharged At least 30 minutes of operation is available from when the message first appears Recharge the battery as soon as possible Low Perf The perfusion level being Determine if an extreme change in the patient s Masimo received by the SpO sensor is physiology and blood flow at the monitoring site low occurred e g an inflated blood pressure cuff a squeezing motion Try to warm the patient or sensor site Move sensor to a site with better perfusion 74 Table 7 Error Messages the Message Window 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL ERROR MESSAGES ON THE MESSAGE WINDOW cont ERROR POSSIBLE CAUSE POSSIBLE SOLUTION MESSAGE Motion There was too much extremity Measurements can be obtained when there is motion for the monitor to limited extremity movement but the accurately complete the NIBP measurement time may be extended measurement in 120 seconds Measurement tim
36. CASMED 740 MONITOR SERVICE MANUAL gt gt zanve gt gt gt gt conve gt gt 3SvNa voi gt gt 3qow vaa 15804 gt gt 001 p gt 10 12 127 21 02 0174 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Page 11 of 12 21 02 0174 REV 02 05 08 128 CASMED 740 MONITOR SERVICE MANUAL Page 12 of 12 tal 25 21 02 0174 02 05 08 129 CASMED 740 MONITOR SERVICE MANUAL TEMPERATURE INTERFACE BOARD 0121 0 0 NOHWO IMS 21 02 0174 REV 02 05 08 130 CASMED 740 MONITOR SERVICE MANUAL NONIN INTERFACE BOARD LLZO LO 0 8 3 0750 60 50 ASSV SS3NHVH TVNH31X3 NO LON 680 YOLOANNOD 21 02 0174 REV 02 05 08 131 VSN 12 QHO4NYHO 58431848 03 SYI ASSV dti 20 00 0 ASSY 28253 19206050 2120 10 06 A 9 NOILWIOS 1N3l1Vd 081 0 00980 fe NOLLV OSI m T 4 CASMED 740 MONITOR SERVICE MANUAL RS 232 NURSE CALL INTERFACE BOARD Page 1 of 2 21 02 0174 REV 02 05 08 132 CASMED 740 MONITOR SERVICE MANUAL Page 2 of 2 21 02 0174 REV 02 05 08
37. Monitoring Indicator LEDS and Displays Real Time Clock Alarms Serial Interface DUE PIT POWER SUPPLIES The input to the 740 Main Control Board comes from either the DC input J1 or the Battery Input J2 A Control chip U6 is responsible for selecting the monitor s main power source The DC input from the Power Supply always takes priority over the Battery Battery 7 2 Volts 4 0 Ahr TP7 to TP33 DC 12 Volts 28 Watts TP28 to TP29 There are several supplies that are generated for internal use Vpic TP5 The power supply for the Microchip PIC16F73 U5 the Supervisor of the CASMED 740 Main Control Board The DC input or the Battery input if there is no DC present goes into a voltage regulator U4 to supply the 43 3 volts 5V TP1 Power supply voltage for the main Analog and Digital circuitry The DC input or the Battery input if there is no DC present goes into a switching regulator U1 to supply 5 volts The regulator is turned on and off by the Microcontroller U5 21 02 0174 REV 02 05 08 66 CASMED 740 MONITOR SERVICE MANUAL 3 2 Chip supply voltage for the DSP Controller 020 The 5 volts output of the switching regulator U1 goes into a voltage regulator U2 to supply the 3 3 volts 2 5V TP3 Core operating voltage for the DSP Controller U20 The 5 volts output of the switching regulator U1 goes into a voltage regulator U3 to supply the 2 5 volts 454 1501 20 Isola
38. Nurse Call Interface Board into the Module case and secure it with the three 3 screws previously removed Re install the module and secure it to the monitor s rear case using the Loctite adhesive and the one 1 screw previously removed Apply a small amount of the adhesive to the threads of the screw and torque to 32 in oz Perform a complete System Check as described in the section MAINTENANCE PROCEDURES REPLACING THE TEMPERATURE INTERFACE SWITCH BOARD Removal 1 2 3 Follow the steps as described in the Removal section of Replacing the RS232 Nurse Call Interface Board Remove the remaining one 1 screw that secures the Temperature Interface Switch Board to the Module case Remove the board RS232 Nurse Call Bd Temperature Bd Figure 22 Replacing the Temperature Interface Switch Board 21 02 0174 REV 02 05 08 101 CASMED 740 MONITOR SERVICE MANUAL Installation 1 Install the Temperature Interface Switch Board into the Module case and secure it with the one 1 screw previously removed 2 Finish assembling the Module by following the steps in the Installation section of Replacing the RS232 Nurse Call Interface Board PLUS MODULE REPLACING THE RS232 NURSE CALL INTERFACE BOARD Removal 1 2 3 4 5 6 7 8 102 Remove the one 1 screw that secures the Module to the monitor s rear case Remove the label from the top of the module Remove the four 4 screw
39. The switch should be replaced when a complaint of intermittent temperature readings is received According to the manufacturer of the temperature technology used in the CASMED 740 monitor the life expectancy of the temperature probe is 6000 cycles Depending on its usage and to prevent future temperature problems it is recommended to replace the probe at this interval When taking multiple readings in a row the manufacturer of the temperature technology recommended waiting three 3 minutes in between readings 21 02 0174 REV 02 05 08 73 CASMED 740 MONITOR SERVICE MANUAL ERROR MESSAGES ON THE MESSAGE WINDOW The CASMED 740 Monitor displays a variety of messages on the Message Window to aid the user ERROR POSSIBLE CAUSE POSSIBLE SOLUTION MESSAGE Air Leak Air leak in cuff hose monitor Check that the cuff hose monitor connection is pneumatic system secure Check cuff for leaks Do not use a known leaky cuff Appl Err Neonate cuff is detected in Adult Check cuff Replace cuff or change operating Mode mode Chk Prb The monitor is questioning the Verify that the sensor is being used according Masimo quality of the signal being to the manufacturer s recommendations received by the SpO sensor Verify that the sensor emitter and detector are The sensor is receiving too much parallel to and directly opposing each other ambient light ChksumEr An electronic failure has occurred Contact
40. Time menu NOTE Altering the Date and Time will affect the History readings but not erase them Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode DAYLIGHT SAVING TIME OPTION The CASMED 740 Monitor can be configured to automatically respond to time changes associated with Daylight Saving Time The monitor can be configured to one of five Daylight Saving Time Option settings They are DST OFF Daylight Saving Time is OFF The user is responsible for changing the time if needed This is the default setting for the CASMED 740 Monitor e DSTNAM Daylight Saving Time North America Use this setting and the monitor will automatically change time accordingly to the Daylight Saving Time for countries in North America e EU1 Daylight Saving Time for all European countries using Greenwich Mean Time e EU2 Daylight Saving Time for all European countries 1 hour ahead of Greenwich Mean Time e EU3 Daylight Saving Time for all European countries 2 hours ahead of Greenwich Mean Time NOTE Enabling Daylight Saving Time will affect the History readings but not erase them To configure the Daylight Saving Time option first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the monitor
41. aT 3 HNI T 699 ms ui cessas ace NOHS 21 02 0174 REV 02 05 08 107 CASMED 740 MONITOR SERVICE MANUAL Page 3 of 12 L 0 Le Mpucw sing gp quvog NIVIN 054 iwa 4 12 2 iva ifd Liv C 1 3231 ouo xar 21 02 0174 REV 02 05 08 108 CASMED 740 MONITOR SERVICE MANUAL Page 4 of 12 6900 L E 020 21 02 0174 REV 02 05 08 109 CASMED 740 MONITOR SERVICE MANUAL Page 5 of 12 ani ani an 21 02 0174 02 05 08 110 CASMED 740 MONITOR SERVICE MANUAL Page 6 of 12 PR L 2 zz 322212 HHHBHBH 85555585 21 02 0174 REV 02 05 08 111 CASMED 740 MONITOR SERVICE MANUAL Page 7 of 12 A 21 02 0174 REV 02 05 08 112 CASMED 740 MONITOR SERVICE MANUAL Page 8 of 12 d 0 9 sing 6900 1 lt Nrroionv TIT 128398450 5 LE DIL cu o AW IdSIG 10 4 SH312VHVHO 8
42. either Orange or Red 21 02 0174 REV 02 05 08 23 CASMED 740 MONITOR SERVICE MANUAL Whenever the power is disconnected from the monitor and the monitor is not allowed to shut down in an orderly fashion the monitor when re powered alerts the user CAUTION Regardless of these safety features always be sure to check that there are no signs of prolonged impairment of circulation and that the monitor is functioning properly 21 02 0174 REV 02 05 08 24 CASMED 740 MONITOR SERVICE MANUAL 4 DECLARATION OF CONFORMITY Manufacturers Declaration of Conformity Electronic Emissions and Immunity The Model 740 Monitor is intended for use in the electromagnetic environment specified below The customer or the user of the Model 740 Monitor should assure it is used in such an environment Emissions Test Compliance Electromagnetic Environment RF emissions CISPR 11 Group 1 The Model 740 Monitor uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR 11 Class B The Model 740 Monitor is suitable for use in all Harmonic emissions Class B establishments including domestic establishments and IEC 61000 3 2 those directly connected to the public low voltage power Voltage fluctuations Complies supply network that supplies buildings used for domestic flick
43. monitor s rear case using the Loctite adhesive and the one 1 screw previously removed Apply a small amount of the adhesive to the threads of the screw and torque to 32 in oz Perform a complete System Check as described in the section MAINTENANCE PROCEDURES 21 02 0174 REV 02 05 08 93 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE POWER SUPPLY MODULE The Power Supply Module is part of the Rear Case Assembly Removal 1 Complete the steps in Prior to Disassembly and Monitor Disassembly 2 Disconnect the two 2 harness assemblies from the Power Supply Module 3 Remove the four 4 screws that secure the module to the rear case 4 Remove the defective Power Supply Module Figure 15 Replacing the Power Supply Module Installation 1 Install the Power Supply module into the rear case so that the connectors on the Power Supply Module are at the bottom of the monitor s rear case 2 Secure the Power Supply module using the hardware previously removed 3 Re connect the wire harness from the AC input receptacle 4 Re connect the wire harness that will be connected to the J1 connector on the Main Control Board 5 Finish assembling the monitor by following the steps in section Monitor Assembly 94 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE NIBP MODULE The NIBP Module is part of the Front Case Assembly Removal 1 Complete the steps in Prior to Disassem
44. printer is used with any paper other than that specified by CAS Medical Systems Inc 21 02 0174 REV 02 05 08 17 CASMED 740 MONITOR SERVICE MANUAL CAS reserves the right to perform warranty service operations in its own factory at an authorized repair facility or at the customers site CAS Medical Systems Inc s sole and exclusive obligation and Buyer s sole and exclusive remedy under the above warranties is limited to repairing or replacing free of charge a product which is reported in writing or via telephone to CAS Medical Systems Inc has a Return Material Authorization RMA number assigned and which is returned during normal business hours transporting charges prepaid to CAS Medical Systems Inc 44 East Industrial Road Branford CT 06405 USA Telephone 1 203 488 6056 Fax 1 203 488 9438 E mail custsrv casmed com CAS MEDICAL SYSTEMS INC SHALL NOT BE OTHERWISE LIABLE FOR ANY DAMAGES INCLUDING BUT NOT LIMITED TO INCIDENTAL DAMAGES CONSEQUENTIAL DAMAGES OR SPECIAL DAMAGES THERE ARE NO EXPRESS OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTIES HEREINABOVE SET FORTH CAS MEDICAL SYSTEMS INC MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCT OR PARTS THEREOF EXTENDED WARRANTY PROGRAM CAS Medical Systems offers an Extended Warranty Program for the CASMED 740 Monitor A one 1 year Extended Warranty on the monitor is available at either the time o
45. silences the audio alarm tone but the message remains Should any of the above problems persist contact your dealer or CAS Medical Systems Inc 21 02 0174 REV 02 05 08 70 CASMED 740 MONITOR SERVICE MANUAL TEMPERATURE USER MESSAGES available if Temperature is installed If the probe becomes unattached to the CASMED 740 Monitor s rear panel connector the message Prb is shown in the TEMP display window NOTE Press the SILENCE RESET pushbutton to clear the TEMP display If the Temperature probe well is removed from the top of CASMED 740 Monitors Temperature module the message Prb is shown in the TEMP display window NOTE Press the SILENCE RESET pushbutton to clear the TEMP display When an attached probe is removed from the probe holder the message OrL ALy or rEC is shown briefly in the TEMP display window indicating the predictive algorithm is being used by the Temperature function When the message Err XX where is an Error Number is displayed in the TEMP display window an error condition has occurred and a reliable temperature reading could not be obtained NOTE Press the SILENCE RESET pushbutton to clear the TEMP display Refer to Table 5 Temperature Error Codes or Table 6 Plus Temperature Error Codes for more information Verify the monitor s operating environment is within its limits and start the procedure from the beginni
46. such as direct exposure to rain Exposure to extreme moisture levels may cause incorrect or inaccurate performance or device failure during or after exposure AUTOMATIC SAFETY FEATURES The monitor has been designed to promote patient safety The maximum amount of time allowed to complete a blood pressure measurement is 120 seconds in adult mode and 90 seconds in neonate mode If the measurement has not been completed within that time the cuff is deflated automatically and a message is displayed indicating the problem To prevent exposure of the extremity to an inordinately high pressure the cuff is deflated automatically when the pressure in the system is greater than 290 mmHg in the adult mode or 145 mmHg in the neonatal mode The cuffs used by the CASMED 740 Monitor are designed without transducers for patient safety The transducers used for NIBP measurement are located inside the monitor on the NIBP board and are isolated from the patient In the event of a microprocessor failure the cuff will be deflated automatically within ten 10 seconds All equipment parts are protected against the effects of the discharge of a defibrillator No separate actions are required when using this equipment with a defibrillator Should the AC or DC power be interrupted coming into the monitor the monitor automatically runs off battery power An indication of this would be a change in color of the Battery Power Visual Indicator LED from Green to
47. the case Remove the board Figure 24 Replacing the SureTemp Plus Temperature Board 21 02 0174 REV 02 05 08 103 CASMED 740 MONITOR SERVICE MANUAL Installation 1 Install the SureTemp Plus Temperature Board into the Module case and secure it with the four 4 screws previously removed 2 Reconnect the ribbon cable 3 Place the two case halves together being careful not to pinch the ribbon cable 4 Secure the two case halves together using the four 4 screws previously removed 5 From the Label Set re install the screw fastener covers and the module s top label 21 02 0174 REV 02 05 08 104 CASMED 740 MONITOR SERVICE MANUAL 13 SCHEMATICS NIBP BOARD The NIBP Board used in the CASMED 740 Monitor is not user serviceable No schematic diagram is provided 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL MAIN CONTROL BOARD Page 1 of 12 QNVOS 104 Sul suia Ad Banos TR J PENES m lis TW 2199 0 v2 10 9659 IN 0 91 10 0 vss mamom ka 21 n 343591111 in 21 02 0174 REV 02 05 08 106 CASMED 740 MONITOR SERVICE MANUAL Page 2 of 12 3 440 NO gt eu 5200 10 22 194205 sn 1211 0801 OOH 1n0X12 2250 ant T
48. the fit of the cuff pulses during a NIBP measurement Repeat measurement 76 Table 7 Error Messages on the Message Window 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL 11 MAINTENANCE PROCEDURES INTRODUCTION This section discusses the tests used to verify performance following repairs or during routine maintenance All tests can be performed without removing the CASMED 740 Monitor s cover If the CASMED 740 Monitor fails to perform as specified in any test repairs must be made to correct the problem before the monitor is returned to the user EQUIPMENT REQUIRED To test the NIBP e P9 Calibration Kit e Mercury Manometer e NIBP Simulator e 500 mL Pressure Cylinder CAS p n 01 02 0248 To test the Temperature e Temperature Calibration Key CAS p n 01 02 0095 SureTemp or 01 02 0455 SureTemp Plus To test the SpO SpO Finger Sensor Simulator To perform Electrical Safety e Electrical Safety Analyzer Tester Data Sheet This procedure uses a Data Sheet as the record for verifying monitor performance Once the procedure is completed CAS recommends the Data Sheet be kept with the respective monitor s Device History Record should verification of monitor performance be questioned The DATA SHEET can be found on page 87 21 02 0174 REV 02 05 08 77 CASMED 740 MONITOR SERVICE MANUAL BATTERY CHARGE Perform the following procedure to fully charge the battery
49. to allow the user to advance backwards to the previous selection in the Monitor Configuration menu INFRARED IR DATA PORT An Infrared IR output port located on the bottom panel of the monitor s front cover is available to print the NIBP 5 and Temperature History data to the optional external printer or other data collection device s 21 02 0174 REV 02 05 08 39 CASMED 740 MONITOR SERVICE MANUAL REAR PANEL Battery Compartment Equipotentiality External Device Interface Ground Post AC Input Connector Fuse Compartment Temperature Input 9 Connector SureTemp amp External Device Interface Equipotentiality Ground Post SureTemp Plus Temperature Input Connector AC Input Connector Fuse Compartment Plus Figure 4 740 Rear Panel View 21 02 0174 REV 02 05 08 40 CASMED 740 MONITOR SERVICE MANUAL External Device Interface SureTemp Plus Temperature Input Connector DC Input Connector 740M Figure 5 740M Rear Panel View AC DC CONNECTION Receptacle for the AC power cord when the CASMED 740 Monitor is purchased with an AC Line Power option and built in battery When the CASMED 740 Monitor is purchased as an EMS monitor equipped with a Swivel Mount 740M the ambulance DC power cord is attached here FUSE COMPARTMENT When the CASMED 740 Monitor is
50. tubing Enter the Test Mode The Message Window will briefly display TEST MODE followed by 0 mmHg Use the manometer inflation bulb to slowly inflate the system pausing for 30 seconds at the following points and verify calibration according to the following table 0 mmHg 1 mmHg 50 mmHg 4 mmHg 100 mmHg 4 mmHg 150 mmHg 4 mmHg 200 mmHg 5 mmHg If the monitor does not display the test pressure for the 30 second period deflate to zero and verify the proper assembly of the calibration set up Re inflate the system If the monitor again fails to hold the pressure it is recommended the monitor be returned to CAS Medical Systems for service NOTE OVERPRESSURE 1 2 3 82 Inflate the pressure slowly until 290 mmHg 10 mmHg is reached The Message Window should stop updating display the message OverPres and provide a NIBP Application Error audible tone Press the STOP pushbutton to exit the Overpressure Test The monitor returns to the Calibration Check function If the monitor does not meet the above specifications it is recommended the monitor be returned to CAS Medical Systems for service 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL PNEUMATIC PRESSURE CHECKS PLUG TUBE Obtain the male luer plug found in the Calibration Kit product P9 supplied with the monitor 1 Place this plug into the cuff connector at the end of the monitor inflation hose and twist
51. 2 Enter the Test Mode The Message Window will briefly display TEST MODE followed by 0 mmHg 3 Press the START pushbutton to begin the Pressure Check 4 The Message Window will display Chk Prs will inflate to approximately 160 mmHg and attempt to hold this pressure The pressure value will be displayed in the SYSTOLIC display window This test takes about fifteen 15 seconds 5 At the completion of a successful Pressure Check the Message Window will display Passed the monitor will beep two 2 times and will return to the Calibration Check function after five 5 seconds 21 02 0174 REV 02 05 08 83 CASMED 740 MONITOR SERVICE MANUAL 6 If the monitor fails the Pressure Check the Message Window will display Leak the monitor will beep three 3 times and will return to the Calibration Check function after five 5 seconds Should the monitor fail the 500 ml Pressure Check it is recommended the monitor be returned to CAS Medical Systems for service NIBP SIMULATOR CHECK 1 Exit the Test Mode and connect the CASMED 740 Monitor to a NIBP Simulator 2 Set the simulator to a pressure value of 120 80 40 bpm 100 gain 3 Press the START pushbutton and allow the monitor to take the NIBP measurement 4 Take a total of four 4 NIBP readings Disregard the first and average the remaining together 5 Verify the NIBP values displayed on the monitor s front panel to be within 5 mmHg and the Pulse Ra
52. 2 05 08 14 CASMED 740 MONITOR SERVICE MANUAL MONITOR CONFIGURATIONS CASMED 740 1 MAXNIBP 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 1 MAXNIBP 12VDC Power input with Battery Mount included CASMED 740 2 5 MAXNIBP and Masimo SpO 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 2MS MAXNIBP and Masimo SpO 12VDC Power input with Battery Mount included CASMED 740 2NL MAXNIBP and Nellcor 5 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 2NL MAXNIBP and SpO 12VDC Power input with Battery Mount included CASMED 740 2NN MAXNIBP and Nonin 5 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 2NN MAXNIBP and Nonin 12VDC Power input with Battery Mount included CASMED 740 2T MAXNIBP and Temperature 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 2T MAXNIBP and Temperature 12VDC Power input with Battery Mount included CASMED 740 3MS MAXNIBPG Masimo SpO and Temperature 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 3MS MAXNIBPG Masimo SpO and Temperature 12VDC Power input with Battery Mount included CASMED 740 3NL MAXNIBP Nellcor SpO and Temperature 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 3NL MAXNIBP SpO and Temperature 12VDC Power input with Battery Mount includ
53. 20 82 vCv0 20 8c 6170 20 82 gno jueneg oL 7190 80 50 Figure 9 Model 740 Monitor Overall Block Diagram 21 02 0174 REV 02 05 08 61 CASMED 740 MONITOR SERVICE MANUAL Can t Turn The Monitor ON Battery Plug in Line Cord AC or Battery operating Ensure Good Outlet and Line Cord 62 Failed Electronics Yes Operating No Green Dead or No Charging Indicator Yes Disconnected ON Battery Bad Disconnected Front Panel Keyswitch Y Bad Disconnected Blown Fuse Power Supply Y Repair Service Required Figure 10 No Monitor Power 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Power Up Response 5 888 888 Err READY Bad Disconnected NIBP Module Err Err in SpO Display in Temperature 9 Window Display Window Charge Monitor for Bad 4 6 Hours Before Disconnected Disconnected Putting Back Into 500 Modul Service Modu Module Check Error Code Number For Help Figure 11 Power Up Response 21 02 0174 REV 02 05 08 63 CA
54. 5 CLEANING 55 CLEANING OVERVIEW u a yaa AT Q 55 THE MONIFPLOR Q u Aaa akapa Rusa 55 m SS 56 CUBES kaba Saya haah a sasay uy Sa SPA u Waka ba akuq 56 PNEUMATIC TUBING ire poor for retro ette Re Edi nd 57 PRINTER tetris tested Da 57 SpO2 INTERCONNECT CABLE 57 SENSURS 57 TEMPERATURE PROBES tiir rette 58 PROBE WELL SureTemp 58 PNEUMATIC PRESSURE CHECK eet inr dee 58 SAFETY CHECKS ter desine 59 SY STEM CHECKS 59 bete tacet planta se cel 59 10 TROUBLESHOOTINGQ 61 SYSTEM TROUBLESHOOTING arsaa aeeiiaii ddia taana is Hie npa on 61 THEORY OFOPERIATIOIN e brote 66 POWER SUPPLIES teda t 66 BATTERY CHARGER ssir toi ern src he aus eee tu ree esee ee Rex Ep eames 67 SUPERVISOR MICROGONTROLLER t etae tort itte ett ected ede 67 DIGITAL SIGNAL PROCESSOR
55. 740 Internal AC Line Power or 740M DC connection e The second character 2 describes how many parameters are installed in the monitor The monitor in our example is configured for NIBP and 5 Installed Parameter Codes include 1 2 and 5 or Temperature 3 SpO and Temperature The third set of characters MS describes the type of module installed The monitor in our example is configured for Masimo oximeter Configuration Codes are MS Masimo NL Nellcor NN Nonin T Temperature 21 02 0174 REV 02 05 08 78 CASMED 740 MONITOR SERVICE MANUAL The four 4 second Power On Self Test consists of All equipped parameter segments are lit for one 1 second All High Alarm Values are displayed for one 1 second in their corresponding numeric display window and an audible tone is emitted from the monitor s internal speaker The Message Window indicates HI LIMS All Low Alarm Values are displayed for one 1 second in their corresponding numeric display window and an audible tone is emitted from the monitor s internal speaker The Message Window indicates LO LIMS The monitors current time is displayed for 1 second Once the test is completed the monitor indicates that it is Ready for use DISPLAYING THE TIME Perform the following procedure to verify the time is set correctly 1 Press and hold the CYCLE TIME pushbutton for two 2 seconds 2 The mo
56. 740 Monitor is compact lightweight and portable allowing it to be easily carried and used in a variety of clinical settings The monitor is powered by AC Line Power 12 VDC or by a Nickel Metal Hydride rechargeable battery pack The internal battery pack charges when the monitor is plugged into a power source AC Line Power or 12 VDC The CASMED 740 Monitor can be set to operate in one of nine 9 different languages English German French Italian Spanish Dutch Swedish Portuguese or Norwegian The message window can display various system alarm messages These messages direct the user to check conditions such as the battery state air leaks and measurement problems The message window also displays the operational mode of the monitor automatic or manual The non invasive blood pressure NIBP parameter automatically inflates an occluding cuff and using the oscillometric measurement technique determines systolic diastolic and mean arterial pressure and pulse rate Measurement results along with operator prompts and error messages are displayed on the front panel The frequency of NIBP determination can be selected by the operator in varied times between one and ninety minutes The auto and manual operating modes cover a variety of clinical uses The pulse oximeter parameter SpOz determines arterial oxyhemoglobin saturation by measuring the absorption of red and infrared light passing through the tissue Changes in absorption ca
57. ICE PROCEDURES PRIOR TO DISASSEMBLY 1 Turn the CASMED 740 Monitor OFF by pressing the front panel ON STANDBY pushbutton 2 Disconnect the monitor from the AC or DC power source 3 Remove the battery from the monitor 21 02 0174 REV 02 05 08 92 CASMED 740 MONITOR SERVICE MANUAL MONITOR DISASSEMBLY 1 2 3 4 5 7 Complete the steps in Prior to Disassembly Set the CASMED 740 Monitor face down onto a soft surface being careful not to scratch the front display If your monitor is equipped with either a Temperature Module or a RS232 Module remove the one 1 screw that secures the module to the monitor s rear case Remove the Module and place it to the side Remove the four 4 corner screws that secure the two case halves together Separate the monitor s front and rear cases being careful not to stress the internal wire harnesses Disconnect the cable connectors from J1 and J2 on the Main Control Board Place the Rear panel assembly down next to the Front panel assembly MONITOR ASSEMBLY 1 2 3 4 5 6 Connect the Supply harness assembly to J1 on the Main Control Board Connect the Battery harness assembly to J2 on the Main Control Board Place the Rear Case assembly onto the Front Case assembly being careful of all wire harnesses and hoses Secure the two case halves together using the four 4 screws previously removed Re install the module and secure it to the
58. INGS 19 AUTOMATIC SAFETY FEATURES Papel te 23 4 DECLARATION OF CONFORMITY 25 Be SYMBOLS 27 6 MONITOR CONTROLS 33 xri IM 33 DIGITAL DISPLAY AND INDICATORS eene eene 34 FRONT PANEL CONTROLS spl a ve Vibo qi 36 INFRARED IR DATA PORT coner horreo iran 39 REAR PANEL n as oec deae cede PUR E 40 41 PUSE 41 BATTERY COMPARTMEN 41 TEMPERATURE PROBE ELECTRICAL CONNECTION 41 EQUIPOTENTIALITY GROUND POST teri pix de Enron 42 EXTERNAL DEVICE INTERFACING eene nennen 42 BERT SIDE rtp nac 42 CUFF HOSE CONNECTION PA pde ho do tetas debba pete ims 43 SENSOR CONNECTION ci 43 EIGEFEESSIDE VIEW pinata 44 TEMPERATURE HOLDER sides re ee en ai eto Pri it cran fee 44 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL 7 MONITOR CONFIGURATION
59. LUTION MESSAGE RangeErr The systolic reading exceeds the Repeat measurement measurement range of 255 mmHg in the Adult mode or 135 mmHg If the message is displayed again use another the Neonatal mode method to measure the patient s blood pressure SetClock The monitor s clock needs to be The monitor s time and date values are incorrect set Refer to sections SETTING THE DATE and SETTING THE TIME for more information The monitor s internal clock battery needs to be replaced Contact CAS Medical Systems Signal The quality of the signal level Ensure proper sensor type and application Masimo being received by the SpO sensor is in question Verify that the sensor emitter and detector are parallel to and directly opposing each other Clean or replace the sensor Sig Sat Motion pulses too strong Limit patient activity the arm must be still and or relaxed Repeat measurement Sys An electronic failure has occurred Contact CAS Medical Systems to have the within the monitor monitor serviced Time Out The monitor was unable to An extremely long measurement can be due to a complete a measurement within loose cuff high blood pressure or monitor re 120 seconds in the Adult mode pumps 90 seconds in the Neonatal mode Try measurement again Try higher initial pressure If message consistently reappears try using another means to obtain patient s blood pressure Weak Sig The monitor did not detect any Check
60. MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the current value of the Audio Alarms menus Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode 2 MINUTE AUDIO ALARM SILENCE When the monitor is configured for the 2 Minute Audio Alarm Silence setting use the SILENCE RESET pushbutton to enable or disable audio alarms for a two 2 minute period The SILENCE visual indicator located on the front panel of the monitor will be illuminated constantly and the message 2Min Aud will be displayed on the Message Window as a reminder when enabled At the end of two 2 minutes the monitor will automatically exit the 2 Minute Audio Alarm Silence setting and return to normal operation During a two minute silence period if an alarm patient or equipment occurs except for Low Battery and Dead Battery the audio alarm remains silenced for the remainder of the two minutes and only a visual indicator is provided 21 02 0174 REV 02 05 08 48 CASMED 740 MONITOR SERVICE MANUAL PERMANENT AUDIO ALARM SILENCE When the monitor is configured to the Permanent Audio Alarm Silence setting use the SILENCE RESET pushbutton to or disable audio alarms The SILENCE visual indicator located on the front pane
61. MPERATURE BOARD 103 105 NIBP BOARD 105 MAIN CONTROL BOARD 106 MAIN CONTROL BOARD SureTemp9 118 TEMPERATURE INTERFACE atrii parity 130 NONIN INTERFACE BOARD adr tienden eg rnnt n veneno 131 RS 232 NURSE CALL INTERFACE 132 RS 232 NURSE CALL INTERFACE BOARD SureTemp Plus 134 DC CONVERTER BORED Z Tu u u qe eh ad NUR Q 137 PROPRIETARY BOARDS UI A Q inna 138 14 SPARE PARES ILI II IIT 139 PRINTED CIRCUIT BOARDS 139 SWITGHESIGONTROLS GCONNEGT ORG 139 GABLEES 2 139 MISC EAR TS 140 15 zie wget 141 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL FIGURES Figure 1 Patient Environment Du E uA 12 Figure 2 Front Panel HN Fox ex ue acte Au eae eae 33 Fig re 3 Front COntrolS u u Petersen tata 36 Figure 4 740 Rear Panel View 40 Figure 5 740M Rear Panel View 41 Figure 6 Left Side Panel VIGWS rte aeo e 42 Figure 7 Right Side Panel estie 44 Figure 8 DB9 Male C
62. NOTE For further information on sensors and sensor accuracy contact Nellcor 21 02 0174 REV 02 05 08 143 CASMED 740 MONITOR SERVICE MANUAL TEMPERATURE OPTIONAL Characteristic Specification Temperature Range 28 9 to 42 2 84 0 to 108 0 F 0 1 0 2 F Meets or exceeds ASTM Standards Accuracy PATIENT ALARMS Patient Parameter Neonatal Limit Range Adult Limit Range Low High Low High CASMED 740 with SYS 35 130 35 130 35 250 35 250 20 105 20 105 20 215 20 215 25 120 25 120 25 230 25 230 Pulse 45 235 45 235 35 235 35 235 Patient Parameter Neonatal Limit Range Adult Limit Range Low High Low High CASMED SYS 35 130 35 130 35 250 35 250 740 with DIA 20 105 20 105 20 215 20 215 25 120 25 120 25 230 25 230 SpO 5 70 95 80 99 70 95 80 99 Pulse 25 235 25 235 25 235 25 235 NOTE Each alarm limit may also be selected OFF individually or a whole Low Limits cannot be set above the associated High Limit High Limits cannot be set lower than the associated Low Limit CONTROL PANEL Characteristic Specification LED display of measurement results instructions troubleshooting messages and signal strength bar Display
63. OTE When the battery pack is re installed the monitor will automatically turn ON 21 02 0174 REV 02 05 08 90 CASMED 740 MONITOR SERVICE MANUAL WARNING Do not disassemble the battery pack or batteries The batteries contain electrolytes which can cause injury to eyes skin and clothing NOTE This product contains a rechargeable battery that is recyclable Under various state and local laws it may be illegal to dispose of this battery into the municipal waste stream Check with your local authorities for instructions on recycling options in your area CHANGING THE FUSES CASMED 740 The CASMED 740 Monitor uses a dual fuse power input receptacle The receptacle incorporates fuses in the hot and neutral AC input lines that are user serviceable CAUTION For continued protection against fire hazard replace only with identically rated fuses Refer to Section 14 SPARE PARTS for part number information A fuse may need to be replaced if the monitor is plugged into an electrical outlet but the Battery Power Visual Indicator is not illuminated the color Green WARNING Before changing the fuse unplug the monitor s power cord The fuse holder is incorporated into the power input receptacle and located under the power cord input connector To replace fuses 1 Turn the monitor OFF and disconnect the power cord 2 Press down on the locking tab which holds the fuse holder in the power i
64. R X X Boot Loader BootX XX Power Supply PIC Processor PIC X X CAS NIBP Module ND XX Nellcor SpO Module NEL X X Masimo SpO Module MAS X X Nonin SpO Module 0 NON XX Welch Allyn Temperature Module 2 WA Table 3 Software Revisions Use the ARROW UP or ARROW DOWN pushbuttons to view the messages Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode SETTING THE LANGUAGE The CASMED 740 Monitor can operate in one 1 of nine 9 languages English German French Italian Spanish Dutch Swedish Portuguese or Norwegian To configure the monitor s operating language first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the current language being used Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode 1 SpO module is optional in the case when it is not installed the Version text advances to the next Module 2 The Temperature module is optional in the case when it is not installed the Version text advances to the next Module 21 02 0174 REV 02 05 08 46 CASMED 740 MONITOR SERVICE MANUAL SELECTING THE PATIENT MODE T
65. SMED 740 MONITOR SERVICE MANUAL No SpO Response Check for Correct Probe Type Masimo Nellcor Nonin No Sensor LED Replace Probe and Re check If Same Probe Works in Other Monitor Unit Needs Service Figure 12 Trouble Shooting 21 02 0174 REV 02 05 08 64 CASMED 740 MONITOR SERVICE MANUAL Does Not Take A Temperature Measurement Remove Temperature Probe and Disconnect From Monitor No Prb Shown Yes Use Calibration Key to Check Measurement Function 4 Yes i i Temperature Function Is Out Of Service Replace Temperature Module Replace Bad Temperature Probe Figure 13 Temperature Trouble Shooting 21 02 0174 REV 02 05 08 65 CASMED 740 MONITOR SERVICE MANUAL THEORY OF OPERATION The CASMED 740 Monitor s Main Control Board provides the following functions for the operation of the monitor Power Supplies Battery Charger TET Microcontroller Microchip PIC 16F73 Indicator LEDs Temperature Monitoring Power Smart Module Power ON OFF and Reset to Digital Signal Processor Controller Monitor ON OFF Communication with Digital Signal Processor Controller Monitor Battery Charger and Battery conditions DU OT DR NES za Signal Processor Controller Motorola DSP 56F827 SpO Monitoring Blood Pressure Monitoring Keypad
66. SpO value if installed Red colored LEDs indicate the Pulse Rate in BPM beats per minute Green colored LEDs provide a visual indication of the 5 signal strength in a bar graph form if installed A yellow LED indicator used to inform the user that the NIBP is operating in the Adult Mode A yellow LED indicator used to inform the user that the NIBP is operating in the Neonatal Mode A yellow LED indicator used to inform the user that the Temperature Option is installed Message Window area used to display various messages that aid the user in monitor operation 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Ju A tri colored visual indicator used to display the status of the power source and battery condition The status of the LED is GREEN Monitor is connected to main power source ORANGE In Use on Battery e RED Battery Low or Dead Battery A Yellow LED visual indicator used along with the SILENCE RESET pushbutton to display the status of the Audio Alarm Silence feature The status of the LED is continuously 2 Minute Audio Silence e Flash one second ON one second OFF Permanent Audio Alarm Silence 21 02 0174 REV 02 05 08 35 CASMED 740 MONITOR SERVICE MANUAL FRONT PANEL CONTROLS POWER ALARMS NIBP db ON STANDBY SILENCE RESET START STOP 9 0 db Figure 3 Front Controls 21 02 0174 REV 02
67. URATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the monitor s date using the following format DDMMMYY Where DD Day of the Month Month of the Year Jan Feb etc and Last 2 digits of the year 2002 is displayed as 02 The flashing parameter indicates the parameter that can be changed Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance to the next parameter to set within the Date menu Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode SETTING THE TIME The CASMED 740 Monitor s Time value is set for Eastern Time and is set at the factory To set the Time first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the monitor s time using the following format Where HH Hour of the Day 0 23 and MM Minute of the Hour 0 59 The flashing parameter indicated the parameter that can be changed 21 02 0174 REV 02 05 08 50 CASMED 740 MONITOR SERVICE MANUAL Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance to the next parameter to set within the
68. akage Current 100 microamp maximum FEATURES Characteristic Specification Self Test System self test is performed each time power is turned on Auto Zero Zero pressure reference is automatically established after every reading Inflation Initial inflation to 150 mmHg Adult or 85 mmHg Neonatal or user selectable 80 100 120 140 150 160 180 200 Adult 60 80 85 100 120 Neonatal Subsequent inflation to approximately 30 mmHg greater than previous Systolic pressure Deflation Automatic Max Measurement Time Limited to 120 seconds Adult 90 seconds Neonate 21 02 0174 REV 02 05 08 145 CASMED 740 MONITOR SERVICE MANUAL OPERATING ENVIRONMENT Characteristic Specification Operating Temperature 0 to 50 C 32 F to 122 F Humidity 15 to 95 non condensing Altitude 10 000 to 1 000 ft 690 1050 hPa Monitors may not meet performance specifications if stored or used outside temperature and humidity ranges When moving the monitor from a storage location wait at least one hour prior to use to allow the monitor to adjust to room temperature STORAGE TRANSPORT ENVIRONMENT Characteristic Specification Storage Transport Temperature 20 C to 60 C 4 F to 140 F Humidity 15 to 95 non condensing Altitude 10 000 to 1 000 ft 690 1050 hPa
69. be appropriate for a particular patient If at least ten 10 seconds of one bar pulses cannot be observed for a given sensor change sensor location or sensor type until this condition is achieved If the monitor fails to respond do not use it until the situation has been corrected by qualified personnel Biting the probe tip while taking a temperature may result in damage to the probe ACCIDENTAL SPILLS In the event that fluids are accidentally spilled on the monitor take the monitor out of operation and inspect for damage BATTERY POWER If the monitor will not be used or not connected to AC line power for a period over six 6 months remove the battery ELECTRICAL SHOCK To reduce the risk of electrical shock do not remove the back cover Refer all servicing to qualified personnel ELECTROMAGNETIC COMPATIBILITY The equipment needs special precautions regarding EMC Be aware that strong electromagnetic fields may interfere with monitor operation Interference prevents the clear reception of signals by the monitor If the hospital is close to a strong transmitter such as TV AM or FM radio police or fire stations a HAM radio operator an airport or cellular phone their signals could be picked up as signals by the monitor ELECTROSURGERY Measurements may be affected in the presence of strong electromagnetic sources such as electro surgery equipment GROUNDING Do not defeat the three wire grounding feature of t
70. bly and Monitor Disassembly 2 Disconnect NIBP hose from the NIBP connector located the side panel Note the location of the hose from the connector to the board 3 Remove the three 3 screws that secure the NIBP Module 4 Separate the NIBP Module from the J4 connector located on the Main Control board Figure 16 Replacing the NIBP Module Installation 1 Align the female connector on the NIBP Module with the J4 connector on the Main Control board Gently push the NIBP Module onto the connector pins 2 Secure the board to the standoffs using the Loctite adhesive and the hardware previously removed Apply a small amount of the adhesive to the threads of the screws and torque to 30 in oz 3 Re route the hose under the board and connect it to the NIBP connector on the side panel 4 Finish assembling the monitor by following the steps in section Monitor Assembly 21 02 0174 REV 02 05 08 95 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE SpO MODULE The SpO Module is part of the Front Case Assembly Removal 1 Complete the steps in Prior to Disassembly and Monitor Disassembly 2 Disconnect the cable assembly from the SpO board to the Main Control board 3 Disconnect the cable assembly from the side panel input connector to the SpO board 4 Remove the three 3 screws used to secure the SpO board to the Main Control board standoffs Remove the board
71. chdog timer quad timer 16 dedicated I O 48 shared 64 muxed interrupt controller 8 programmable chip selects and 32 external bus signals SpO Monitoring The SpO Module is an option that is plugged into the Main Control Board J3 for Nellcor and Nonin or J5 for Masimo The isolated power supply for the Module circuit 45 1502 is controlled by an output pin of the DSP U20 pin 37 The Module is read by the DSP U20 thru the serial port 2 and RXD2 and associated components U10 Q9 Q10 ISO1 and ISO2 The power is turned off when the SpO option is not installed 21 02 0174 REV 02 05 08 68 CASMED 740 MONITOR SERVICE MANUAL Blood Pressure Monitoring The Blood Pressure Module is plugged into J4 of the Main Control Board The power VND of the Blood Pressure Module is controlled by an output pin of the DSP U20 pin 36 The Blood Pressure Module is read by the DSP 020 thru the serial port TXD1 and RXD1 Keypad Monitoring The keypad comes into the Main Control Board at J6 There are eight keys are read as inputs by the DSP U20 pins 116 124 The keys are normally high and active low when the switch is pressed Indicator LED S and Displays U11 U13 U14 U15 and U16 are seven segment LED driver IC s that are controlled thru the SPI port of the DSP 020 They are used to display Temperature Diastolic MAP 5 Systolic BPM SpO bar graph ADULT led NEO led TEMP led Silence led an
72. cks Refer to CONFIGURATION MODE TESTS All LEDs Check 12 Volt Power Supply Check Manometer Mode Pneumatic Pressure Check Temperature Calibration Check ENTERING THE MONITOR CONFIGURATION MENU To enter the monitor s Configuration Menu press and hold the ALARM LIMITS VOLUME 0 pushbutton keys while the monitor is being turned O J Once in the menu use one of the NEXT HISTORY VOLUME or PREVIOUS CYCLE TIME ALARM LIMITS programmed pushbutton keys to advance onto the next or go back to the previous parameter in the Configuration Menu NOTE While in the Configuration Menu if no pushbutton is pressed within 60 seconds the monitor will automatically save all changes made and exit the Monitor Configuration menu The Message Window will briefly display Saving and return to the Ready mode SAVING YOUR CHANGES When you have completed configuring the monitor press the STOP pushbutton to exit and lock in your selection s The Message Window will briefly display Saving and return to the Ready mode 21 02 0174 REV 02 05 08 45 CASMED 740 MONITOR SERVICE MANUAL SOFTWARE REVISIONS The CASMED 740 Monitor displays the current software revision of its operating system and that of the internal modules being used inside The software versions are displayed in the following order Software Module Message Window CASMED 740 Control Board VE
73. connectors located on the Main Control board standoffs Figure 18 Replacing the Temperature Module Installation 1 Align the 12 pin male connector J9 and 13 pin male connector J8 with their mating connectors on the Temperature board and gently push the Temperature board down 2 Secure the board in place by gently pushing down in the four 4 corners 3 Finish assembling the monitor by following the steps in section Monitor Assembly 21 02 0174 REV 02 05 08 97 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE MAIN CONTROL BOARD The Main Control board is part of the Front Case Assembly Removal 1 Complete the steps in Prior to Disassembly and Monitor Disassembly 2 Complete the steps in Replacing the NIBP module to remove the NIBP module 3 Complete the steps in Replacing the gt Module to remove the SpO module 4 Complete the steps in Replacing the Temperature Module to remove the Temperature module 5 Remove the four 4 screws that secure the Main Control board to the Front Case 6 Fold the Main Control board out from the Front Case and remove the ribbon cable from the J6 Front Panel Keyswitch connector Remove the board T Remove the Display Shield from over the LED displays on the Control Board Figure 19 Replacing the Main Control Board Installation 1 Place the Display Shield over the LED displays 2 Adhere the appropriate labels to the LED displays ADULT NEO TEMP
74. d blood samples should be analyzed by a laboratory co oximeter to completely understand the patient s condition Accurate oxygen saturation measurements cannot be obtained when the oximeter is not measuring the pulse properly If the perfusion LED is erratic or the PULSE RATE display is erratic or inaccurate first examine the patient for any sign of distress and only then re examine sensor placement ACCURACY If the accuracy of any measurement does not seem reasonable first check the patient s vital signs by alternate means and then check the CASMED 740 Monitor for proper functioning CABLES Route all cables away from patient s throat to avoid possible strangulation DEFIBRILLATION Do not come in contact with patients during defibrillation Serious injury death could result DISPOSAL Dispose of the packaging material observing the applicable waste control regulations LEAKAGE CURRENT TEST The interconnection of auxiliary equipment with this device may increase the total leakage current When interfacing with other equipment a test for leakage current must be performed by a qualified biomedical engineering personnel before using with patients Serious injury or death could result if the leakage current exceeds applicable standards SITE REQUIREMENTS For safety reasons all connectors for patient cables and sensor leads are designed to prevent inadvertent disconnection should someone pull on them Do not route cables i
75. d 660 Nanometers Infrared 905 Nanometers Power Maximum radiant power at 50 mA pulsed is 0 79mW Pulse Rate Range 25 240 BPM Pulse Rate Accuracy 3 Numerics Updated every one 1 second NOTE For further information on sensors and sensor accuracy contact Masimo 21 02 0174 REV 02 05 08 142 CASMED 740 MONITOR SERVICE MANUAL Characteristic Specification Nellcor amp OxiMax amp Type Functional Oxygen Saturation 5 Range 1 100 SpO Accuracy Sensor Accuracy MAX A 70 100 2 digits 1 S D MAX AL MAX N Adult MAX P MAX I MAX FAST SC A Adult Sensor Accuracy OxiCliq A 70 100 2 5 digits 1 S D OxiCliq I OxiCliq N Adult OxiCliq P Sensor Accuracy DS 100A 70 100 3 digits 1 S D D YS Infant to Adult MAX N Neonate OXI A N Adult SC NEO Neonate SC PR Neonate Sensor Accuracy D YS 70 100 3 5 digits 1 S D D YSE D YSPD OxiCliq N Neonate Sensor Accuracy MAX R 80 100 3 5 digits 1 S D Sensor Accuracy D YS Neonate 70 100 4 0 digits 1 S D OXI A N Neonate Measurement Wavelengths Red 660 Nanometers Infrared 890 Nanometers Power Not exceeding 15 mW Pulse Rate Range 20 240 BPM Pulse Rate Accuracy 3 digits Numerics Updated every one 1 second
76. d the two slash led s U12 is an eight character smart alphanumeric display Message Window that is driven by the DSP U20 directly Real Time Clock The real time clock U21 is controlled by the DSP U20 thru the SPI port The part has it own battery and internal crystal The battery can be replaced separately when needed Alarms The alarms circuit has an audio attenuator U23 an amplifier U24 and a speaker LS1 The sound is controlled by the DSP U20 Serial Interface The serial input output goes into the Main Control Board on J10 The serial port is controlled by the DSP U20 21 02 0174 REV 02 05 08 69 CASMED 740 MONITOR SERVICE MANUAL ERROR MESSAGES The CASMED 740 Monitor displays a variety of messages to aid the user in monitor operation If a troubleshooting message is displayed during a measurement follow the actions listed to correct the situation If the monitor does not turn on or exhibits a flashing display and failure to operate the battery is most likely below the Dead Battery point Connect the monitor to a power source AC Line Power or 12 VDC and allow it to charge for four 4 hours If the monitor is in need of repair it must be referred to the appropriate service personnel Service performed by unauthorized personnel could be detrimental to the monitor and will void the warranty For service contact your dealer or CAS Medical Systems Inc SpO USER MESSAGES available if SpO is installed
77. during power mains interruptions it is recommended that the Model 740 Monitor be powered from an uninterruptible power supply or a battery Power frequency 50 60 Hz magnetic field IEC 61000 4 8 3 A m 3 A m Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment NOTE is the mains voltage prior to application of the test level 21 02 0174 REV 02 05 08 25 CASMED 740 MONITOR SERVICE MANUAL Guidance and Manufacturer s Declaration Electromagnetic Immunity The Model 740 Monitor is intended for use in the electromagnetic environment specified below The customer or the user of the Model 740 Monitor should insure that it is used in such an environment Immunity Test IEC 60601 Test Level Compliance Electromagnetic Environment Guidance Level Portable and mobile RF communications equipment should be used no closer to any part of the Model 740 Monitor including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance Conducted RF 3 Vrms 3 Vrms 1 2NP IEC 61000 4 6 150 kHz to 80 MHz Radiated RF 3 V m 3 d 1 2VP 80 MHz to 800 MHz IEC 61000 4 3 80 MHz to 2 5 GHz d 2 3VP 800 MHz to 2 5 GHz Where P is the maximum output power rating of the transmitter in watts according to the transmit
78. e Window displays the monitor s current setting for the Power Off Delay Time Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode 21 02 0174 REV 02 05 08 47 CASMED 740 MONITOR SERVICE MANUAL SELECTING THE TEMPERATURE SCALE available if Temperature is installed The CASMED 740 Monitor can display Temperature readings in either the Celsius or Fahrenheit scales To select the operating Temperature Scale first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the Temperature setup menu F or Use the ARROW UP or ARROW DOWN pushbuttons to make your selection Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode AUDIO ALARM SILENCE SILENCE RESET Pushbutton The CASMED 740 Monitors SILENCE RESET pushbutton can be configured to have the audio associated with patient alarms set to one of three selections The selections are 2 Minute Audio Alarm Silence Default e Permanent Audio Alarm Silence e Alarm Limits Off To configure the Alarm Silence setting first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE
79. e be required contact the www casmed com dealer in the country of purchase Copyright 2003 CAS Medical Systems Inc All rights reserved No part of this manual may be reproduced without the written permission of CAS Medical Systems Inc CAS reserves the right to make changes to this manual and improvements to the product it describes at any time without notice or obligation 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL TABLE OF CONTENT 1 INTRODUCTION AND INTENDED USE 11 INTRODUCTION nM E 11 BRIEF DEVICE DESCRIP TON 2906 11 PA UEN TF ENVIRONMENT 12 MANUAL INFORMATION 13 REVISION HISTORY u a laud 13 MANUAL OVERVIEW a LA AQ A AS 14 INTENDED AUDIENCE 14 DEFINITION OF TERMS z isuu q 14 RELATED DOCUMENTS 14 MONITOR nra mk ee n e d ERR 15 2 SERVICE POLICY bra n cu ard f Ir n ard 17 WARRANTY POLICY uir suh oc neat npa x ne kx Renee X 17 EXTENDED WARRANTY 18 RETURNING THE MONITOR FOR 18 3 SAFETY MEASURES AND WARN
80. e is limited to 120 seconds Restrain patient extremity motion NBP Pressure calibration data corrupted Pressure module needs recalibration within NIBP module Contact CAS Medical Systems to have the monitor serviced NIBP Err An electronic failure has occurred Contact CAS Medical Systems to have the within the NIBP module monitor serviced No Probe The monitor is not detecting the The probe was disconnected from either the SpO probe Interface Cable or from the monitor OverPres Cuff pressure exceeded 290 Very rapid squeezing of the cuff can cause this mmHg in the Adult mode or 145 error mmHg in the Neonatal mode Repeat the measurement If this message repeatedly occurs during normal use the monitor must be serviced P Search The monitor is searching for a Normal at power up as the monitor searches for Pulse signal a pulse The probe position may have changed Check the probe site Prb OFF The monitor is no longer receiving The probe is no longer in contact with the patient a patient signal from the SpO2 probe Check the probe site Pwr Fail Power was disconnected from the Press the SILENCE RESET pushbutton to clear monitor the message OR Re cycle the monitor s power Table 7 Error Messages on the Message Window 21 02 0174 REV 02 05 08 75 CASMED 740 MONITOR SERVICE MANUAL ERROR MESSAGES ON THE MESSAGE WINDOW cont ERROR POSSIBLE CAUSE POSSIBLE SO
81. ed CASMED 740 3NN MAXNIBP Nonin 5 and Temperature 100 240V 50 60HZ AC Power Supply and Battery CASMED 740M 3NN MAXNIBP Nonin SpO and Temperature 12VDC Power input with Battery Mount included Table 2 Monitor Configurations 21 02 0174 REV 02 05 08 15 CASMED 740 MONITOR SERVICE MANUAL This page is intentionally left blank 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL 2 SERVICE POLICY WARRANTY POLICY MONITORS NOTE For all U S government accounts please see the Warranty Addendum at www va casmed com All products are sold by CAS Medical Systems Inc under the warranties set forth in the following paragraphs Such warranties are extended only with respect to the purchase of this product directly from CAS Medical Systems Inc or CAS s Authorized Distributors as new merchandise and are extended to the first buyer thereof other than for resale The CASMED 740 Monitor is warranted for a period of twenty four 24 months All products excluding printers if applicable are warranted to be free from functional defects in materials and workmanship and to conform to the description of the product contained in the Operator Service Manual published specifications and accompanying labels and or inserts provided that the same is properly operated under conditions of normal use in accordance with applicable safety and regulatory requirements and that replaceme
82. er emissions purposes Immunity Test Electrostatic discharge ESD IEC 61000 4 2 IEC 60601 Test Level 6 kV contact 8 kV air Compliance Level 6 kV contact 8 kV air Electromagnetic Environment Guidance Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 3096 Electrical fast 2 kV for power 2 kV for power Mains power quality should be transient burst supply lines supply lines that of a typical commercial or IEC 61000 4 4 1 kV for 1 kV for hospital environment input output lines input output lines Surge 1 kV differential 1 kV differential Mains power quality should be IEC 61000 4 5 mode mode that of a typical commercial or 2 kV common 2 kV common hospital environment mode mode Voltage Dips lt 5 Ur gt 95 dip in lt 5 Ur 79596 dip in Mains power quality should be short interruptions for 0 5 cycle for 0 5 cycle that of a typical commercial or and voltage 40 Ur 60 dip in 40 60 dip in hospital environment If user of variations on power supply input lines IEC 61000 4 11 Ur for 5 cycles 70 Ur 30 dip Ur for 25 cycles lt 5 gt 95 dip in for 5 seconds Ur for 5 cycles 70 Ur 30 dip in Ur for 25 cycles lt 5 gt 95 dip in Ur for 5 seconds the Model 740 Monitor requires continued operation
83. f purchase or within two 2 years of the purchase date Contact CAS Medical Systems Customer Service Department for more information RETURNING THE MONITOR FOR REPAIR Before returning a product for repair you must obtain authorization from CAS Medical Systems An RMA Return Materials Authorization number will be given to you by our Service Department Be sure to note this number on the outside of your shipping box Returns without an RMA number will not be accepted for delivery NOTE Save the original shipping container and it s inside packing material should the monitor need to be returned for service Refer to the section How To Contact Us found in the front of this manual for important telephone numbers fax numbers and email addresses 21 02 0174 REV 02 05 08 18 CASMED 740 MONITOR SERVICE MANUAL 3 SAFETY MEASURES AND WARNINGS WARNING Do not use this instrument for any purpose other than specified in this manual Doing so will invalidate the monitor s warranty Do not connect more than one 1 patient to the monitor Do not plug the monitor into an outlet controlled by a wall switch Before each use verify that the alarm limits are appropriate for the patient being monitored The position of subject physiological condition and other factors affect the readings Blood pressure and pulse can fluctuate greatly between measurements the monitor cannot alert the user to changes in vital signs occur
84. fastener covers Remove the four 4 screws that secure the Module s cases together Separate the Module s front and rear cases being careful not to stress the internal ribbon cable Disconnect the ribbon cable from the RS232 Nurse Call Interface board Remove the four 4 screws that secure the board to the case Remove the board Figure 23 Replacing the RS232 Nurse Call Interface Board 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Installation 1 2 3 4 5 Install the RS232 Nurse Call Interface Board into the Module case and secure it with the four 4 screws previously removed Reconnect the ribbon cable Place the two case halves together being careful not to pinch the ribbon cable Secure the two case halves together using the four 4 screws previously removed From the Label Set re install the screw fastener covers and the module s top label REPLACING THE SURETEMP PLUS TEMPERATURE BOARD Removal 1 2 3 4 5 6 7 8 Remove the one 1 screw that secures the Module to the monitor s rear case Remove the label from the top of the module Remove the four 4 screw fastener covers Remove the four 4 screws that secure the Module s cases together Separate the Module s front and rear cases being careful not to stress the internal ribbon cable Disconnect the ribbon cable from the SureTemp Plus Temperature Board Remove the four 4 screws that secure the board to
85. g a soft cloth dampened with a germicidal solution PRINTER When the printer becomes dirty wipe with a soft dry cloth For extreme dirt buildup soak a cloth with mild detergent wring well and wipe Dry by wiping with a soft dry cloth CAUTION Before cleaning the printer disconnect the AC adapter from the printer Do not use volatile chemicals such as thinner benzine etc Never wet the inside of the printer mechanism Refer to the printer User s Manual for more information SpO INTERCONNECT CABLE Prior to each patient use inspect the SpO Interconnect cable for damage As necessary clean the cable using a soft cloth dampened with a germicidal solution 5 SENSORS Reusable As necessary the sensor may be surface cleaned by wiping it with a 7096 isopropyl alcohol pad Allow the sensor to dry prior to placement on a patient CAUTION Do not soak or immerse the sensor or its cable in any liquid solution Do not attempt to sterilize Refer to the Directions For Use pamphlet enclosed with each sensor for more information 21 02 0174 REV 02 05 08 57 CASMED 740 MONITOR SERVICE MANUAL TEMPERATURE PROBES CAUTION Do not soak or immerse the probe or its cable in any liquid solution Do not attempt to sterilize The temperature probe should periodically be cleaned by wiping with an alcohol dampened cloth or wipe warm water or properly diluted non staining disinfectant PROBE WELL
86. he Model 740 Monitor The Model 740 Monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the Model 740 Monitor can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the Model 740 Monitor as recommended below according to the maximum output power of the communications equipment Separation distance according to frequency of transmitter Meters Rated maximum output 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz power of transmitter Watts d 1 2VP d 1 2VP d 2 3VP 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters operating at a maximum output power not listed above the recommended separation distance d in meters can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people 21 02 0174 REV 02 05 08 26 5 SYMBOLS CASMED 740 MONITOR SERVICE MANUAL The following
87. he CASMED 740 Monitor can be used on patients from Neonates to Adults To configure the monitor s operating mode first enter the monitor s Configuration Menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays PATIENT Use the ARROW UP or ARROW DOWN pushbuttons to select the patient mode The front panel display will illuminate with the patient mode selected ADULT Adult Pediatric NEO Neonate NOTE Altering the patient mode automatically sets the parameter High and Low Limits to the appropriate patient default limits and affects the NIBP mode Refer to the CASMED 740 Monitor User s Manual for more information Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode SELECTING THE POWER OFF DELAY TIME The CASMED 740 Monitor incorporates a user selectable Power Off Delay time feature The amount of time the ON STANDBY pushbutton is pressed to turn the display OFF can be configured to be either Off 08 no delay or Off 2S press and hold for 2 seconds The default setting used by the monitor is Off OS To configure the Power Off Delay Time first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Messag
88. he liner from the rear of the keyswitch Feed the ribbon cable through the slot on the Front Panel and carefully position the keyswitch into the recess on the Front Case Apply even pressure across the face of the keyswitch to secure it in place NOTE Use extreme caution when handling and positioning the membrane keyswitch Do not bend crease or pinch the keyswitch or the tail connector Do not remove and reapply the keyswitch 3 4 5 Plug the ribbon cable connector into the J6 connector on the Main Control Board Using a pair of household scissors cut back the shield tail flush to the front panel Finish assembling the monitor by following the steps in the Installation section of Replacing The Main Board MODULE SERVICE PROCEDURES REPLACING THE RS232 NURSE CALL INTERFACE BOARD Removal 1 2 3 100 Remove the one 1 screw that secures the Module to the monitor s rear case Remove the three 3 screws that secure the RS232 Nurse Call Interface Board to the Module case Remove the board and if necessary disconnect the cable assembly from the Temperature Interface Board RS232 Nurse Call Bd Figure 21 Replacing the RS232 Nurse Call Interface Board 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL Installation 1 2 3 4 If necessary re connect the cable assembly from the Temperature Interface Board to J2 on the RS232 Nurse Call Interface Board Install the RS232
89. he power cord by means of adaptors plug modifications or other methods Do not use extension cords of any type Do not connect the monitor to an electrical outlet controlled by a wall switch or dimmer INTERFACING OTHER EQUIPMENT Monitoring equipment must be interfaced with other types of medical equipment by qualified biomedical engineering personnel Be certain to consult manufacturers specifications to maintain safe operation STACKING Where monitor is used adjacent to or stacked with other equipment the monitor should be observed to verify normal operation in the configuration in which it will be used 21 02 0174 REV 02 05 08 22 CASMED 740 MONITOR SERVICE MANUAL GENERAL NOTES There are no known risks with common disposal of equipment or accessories however the disposing of accessories should follow in accordance with local hospital policies The user should ensure these policies do not conflict with any local state or federal guidelines The monitor is suitable for use in the presence of electro surgery The monitor is suitable to be connected to public AC mains power The CASMED 740 Monitor is not Category APG Equipment The CASMED 740 Monitor is for Continuous Operation The CASMED 740 Monitor applied parts are Type BF Defibrillation Proof The CASMED 740 Monitor provides DRIP PROOF level of protection from ingress to moisture Do not expose the CASMED 740 Monitor to extreme moisture levels
90. inations is the normal predictive mode NOTE Axillary temperature readings may only be taken in the Neonate monitoring mode PATIENT ENVIRONMENT The CASMED 740 Monitor has been tested with specific parts of the system used within the Patient Environment Figure 1 defines the Patient Environment lt lt w s Figure 1 Patient Environment The parts of the CASMED 740 Monitor system that can be used in the Patient Environment are defined as The CASMED 740 Monitor Appropriate Accessories listed in the ACCESSORIES section of the User s Manual Line Cord Optional RS232 Nurse Call Option Citizen CMP 10 Mobile Printer RS232 Interconnect Cable supplied with printer AC Adapter Charger Model TRC 09 1100 M from Group West or equivalent supplied with printer Table 1 Parts of the System 21 02 0174 REV 02 05 08 12 CASMED 740 MONITOR SERVICE MANUAL MANUAL INFORMATION REVISION HISTORY Each page of this manual has the document part number and revision letter at the bottom of the page The revision letter identifies the document s update level The revision history of this document is summarized below Revision History Revision Date Comments 00 07 2003 Initial Release 01 07 2007 Update artwork and text to CASMED Add SureTemp Plus 02 05 2008 Update EU AR and trademarks 21 02 0174 REV 02 05 08 13
91. is a summary of all symbols used on the monitor and accessories Symbols may occur on the product or on its packaging Units may display the following symbols gt 2 0086 9 pod l Alternating Current CAUTION Before using read instructions included The CE Mark and Notified Body Registration Number signify the device has met all essential requirements of European Medical Device Directive 93 42 This symbol appears here instead of on the unit The first two digits of the unit s serial number indicate the year of manufacture in the 215 century Indicates this monitor is subject to the Waste Electrical and Electronic Equipment Directive in the European Union Medical Electrical Equipment Classification Class equipment if applicable The CASMED 740 Monitor is normally a Class device The CASMED 740 Monitor becomes a Class ll device when it is mounted and connected to a DC power source 740M 21 02 0174 REV 02 05 08 27 CASMED 740 MONITOR SERVICE MANUAL SYMBOLS IPX1 5 28 Protection against ingress of water Symbol used on the rear panel of the CASMED 740M to indicate the polarity of the DC power input Direct Current Indicates protection against the effects of the discharge of a cardiac defibrillator Patient connections are Type BF and protected against defibrillation Equipotentiality Ground Post NIBP Hose and Cuff Connect
92. l of the monitor will flash at a rate of one 1 second ON and one 1 second OFF and the message Perm Aud is displayed on the Message Window as a reminder when enabled During a permanent audio alarm off period if an alarm patient or equipment occurs except for Low Battery and Dead Battery the audio alarm remains silenced and only a visual indicator is provided ALARM LIMITS OFF When the monitor is configured to the Alarm Limit Off setting all alarms associated with patient alarms are OFF This mode is useful for spot check applications or if the monitor is being moved from patient to patient and the user may not want to be disturbed by any audible alarms The SILENCE visual indicator located on the front panel of the monitor will flash at a rate of two 2 seconds ON and two 2 seconds OFF and the message Alrm Off will be displayed on the Message Window as a reminder when enabled During an alarm limit off period if an equipment alarm occurs except for Low Battery and Dead Battery the audio alarm remains silenced and only a visual indicator is provided MAP VALUE ENABLE DISABLE During a blood pressure reading the user can elect to display or not to display the MAP value To configure the MAP value first enter the monitor s Configuration menu Refer to Page 45 ENTERING THE MONITOR CONFIGURATION MENU Once in the menu use one of the NEXT programmed pushbutton keys until the Message Window displays the monitor
93. level of safety of the resulting system Consideration relating to the choice shall include Use of the accessory in the Patient Environment Evidence that the safety certification of the accessory has been performed in accordance with the appropriate IEC 60601 1 and or IEC 60601 1 1 harmonized national standard Equipment not suitable for use in the presence of FLAMMABLE ANESTHETICS Equipment is not intended to be used in Oxygen Enriched Atmospheres 21 02 0174 REV 02 05 08 19 CASMED 740 MONITOR SERVICE MANUAL WARNING Do not gas sterilize or autoclave the monitor Do not use the monitor in the presence of Magnetic Resonance Imaging MRI equipment Do not apply the blood pressure cuff on an extremity being used for an intravenous infusion Do not place liquids on top of the monitor Do not immerse the monitor or power cord in water or any liquid If unit is accidentally wetted it should be thoroughly dried The rear cover can be removed by a qualified service technician to verify absence of water During use and testing single use disposable temperature probe covers will limit patient cross contamination and ensure the safety of the patient user and device The use of any other probe covers or failure to use a probe cover may produce temperature errors and will invalidate the monitor s warranty A pulse oximeter should be considered an early warning device As a trend toward patient deoxygenation is indicate
94. m indication it does not replace appropriate bedside surveillance by trained clinicians Figure 8 DB9 Male Connector Pin Layout Pin Number Signal Description Nurse Call N O Serial Receive In Serial Transmit Out No Connection Isolated Ground Nurse Call N C No Connection No Connection 41 00 5 Table 4 9 Pin 21 02 0174 REV 02 05 08 54 CASMED 740 MONITOR SERVICE MANUAL 9 ROUTINE MAINTENANCE CLEANING CLEANING OVERVIEW WARNING Do not under any circumstances perform any testing or maintenance on the monitor while the monitor is being used to monitor a patient CAUTION Do not open the monitor to clean or repair it Contact CAS Medical System for service needs CAUTION Unplug the monitor from the AC power source and remove all the accessories from the monitor before cleaning The monitor must be turned off and not running on the internal battery Never clean the monitor when it is being operated THE MONITOR On a daily basis examine the monitor s case for any damages and check the AC power cord for bent or broken prongs cracks or fraying Neither the monitor nor the power cord should be used if damaged If any damage is noted contact the appropriate service personnel CAUTION Do not spray any water or cleaning solution directly onto the monitor
95. n a way that they may present a stumbling hazard For devices installed above the patient adequate precautions must be taken to prevent them from dropping on the patient 21 02 0174 REV 02 05 08 20 CASMED 740 MONITOR SERVICE MANUAL CAUTION Before each use make sure that the monitor default alarm settings are appropriate for the specific patient being monitored Pressing the front panel keyswitch with a sharp or pointed instrument may permanently damage the keyswitch Press the keyswitch using only your finger Do not operate the monitor unless it has been properly calibrated Inaccurate blood pressure readings may result A calibration check is recommended once every year pneumatic check is recommended once every six 6 months As with any non invasive oscillometric blood pressure monitor the accuracy of the measurements obtained may be adversely affected by the presence of agents that alter the patient s cardiovascular system Do not alter the monitor s air hose CAS Medical Systems cannot ensure proper monitor performance if the tubing is altered Modification of the air hose will void the warranty Avoid compression or restriction of pressure tubes A NIBP monitor does not operate effectively if a patient is having seizure activity convulsions or tremors or is connected to a heart lung machine In shock conditions the low amplitude of the blood pressure waveform may make it difficult for the monitor to accu
96. n the Configuration Menu If the Calibration Key is inserted during normal monitoring the TEMP display will show three 3 flashing dashes and no value will be displayed NOTE While in the Configuration Menu if no pushbutton is pressed within 60 seconds the monitor will automatically exit the Configuration menu The Message Window will briefly display Saving and return to the Ready mode T Remove the Calibration Key and re insert the temperature probe connector 8 Install the temperature probe into the probe holder An audible click should be heard when the probe is completely placed into its holder The Plus probes will slide in and out of the Probe Well without any restrictions OXIMETRY CALIBRATION CHECK The oximeter is factory calibrated to determine the percentage of arterial oxygen saturation of functional hemoglobin No user calibration is required SpO SIMULATOR CHECK 1 Exit the Test Mode and connect the CASMED 740 Monitor to a SpO Simulator of the appropriate type 2 Set the simulator to a SpO value of 98 and a Pulse Rate of 60 BPM 3 Verify the 96SpO reading displayed on the monitor s front panel to be within 2 digits and the Pulse Rate to be within 3 BPM ELECTRICAL SAFETY CHECKS WARNING Do not touch the monitor when performing these tests LEAKAGE 1 Disconnect all accessories from the monitor 2 Plug the AC power cord f
97. ng 21 02 0174 REV 02 05 08 71 CASMED 740 MONITOR SERVICE MANUAL ERROR CLASS ERROR DESCRIPTION Transmit buffer overflow 60 Modul PTBresistor temperature out of rang 99 Configuration Temperature option longerrecognized Table 5 SureTemp Temperature Error Codes Should any of these problems persist contact your dealer or CAS Medical Systems Inc ERROR CLASS ERROR DESCRIPTION Probe Defective probe tip where heater is too close to thermistor Prb Mod Pat indicates class could Probe Module or Patient 21 02 0174 REV 02 05 08 72 CASMED 740 MONITOR SERVICE MANUAL ERROR CLASS ERROR DESCRIPTION 61 65 66 Module or Probe error detection mechanismerror 68 Module Problem reading or saving to Modules EEPROM 69 Module Problem reading or saving to Modules EEPROM 80 Problem with turning probeheateroff Table 6 Plus Temperature Error Codes Should any of these problems persist contact your dealer or CAS Medical Systems Inc MISCELLANEOUS TEMPERATURE TROUBLESHOOTING CASMED 740 monitors using SureTemp temperature incorporate a microswitch located inside the RS232 Temperature module which signals the start of a temperature cycle Over time this mechanical switch may become intermittent causing the user to take multiple tries to start a reading
98. ng within the unit REQUIRED ITEMS Tools Small Phillips head screwdriver e Medium Phillips head screwdriver e Flat blade screwdriver e Household scissors e Torque screwdriver e Adhesive Loctite 425 e Adhesive RTV GE 162 Electronic Grade e 91 Isopropyl Alcohol Miscellaneous e Label Set for CASMED 740 Monitor CAS p n 21 01 1317 e Label Set for SureTemp Plus Module CAS p n 21 01 1746 21 02 0174 REV 02 05 08 89 CASMED 740 MONITOR SERVICE MANUAL REPLACING THE MONITOR BATTERY A part number for the battery can be found on the label located on the inside panel of the battery pack When the battery fails to hold a charge it will need to be replaced CAS Medical Systems recommends the battery be changed every two 2 years REMOVING THE BATTERY 1 Turn the monitor OFF and disconnect the power cord 2 Push down on the battery latch to unlock the battery door from the rear panel of the monitor 3 Carefully remove the battery pack from the rear panel of the monitor Refer to Figure 14 232 100 240 5A 50 60Hz FUSE T125AL250V Figure 14 Removing the Battery INSTALLING THE BATTERY 1 Align the Battery Pack guides with the bottom of the monitor 2 Slowly close the battery door to ensure the connector in the monitor and the connector on the battery pack mate together 3 Lock the battery door closed N
99. nitor displays the time in 24 Hr format in the Message Window for as long as the pushbutton is pressed 3 Should the time being displayed not be correct refer to Section SETTING THE TIME ALARM AUDIO Perform the following procedure to verify the audio range for the Alarm volume 1 Press the VOLUME pushbutton on the front panel Verify a Key Click tone is heard and the Message Window displays ALARM 2 Press the VOLUME UP VOLUME DOWN pushbuttons and verify the Alarm Volume can be adjusted to one of five volume levels 3 Set the volume level as desired 4 Press the STOP pushbutton when completed NOTE The Alarm Volume level cannot be set to OFF NOTE No Key Click will be heard when the Audio Alarm Volume is set to a MINIMUM setting 21 02 0174 REV 02 05 08 79 CASMED 740 MONITOR SERVICE MANUAL SpO AUDIO available if is installed Perform the following procedure to verify the audio range for the SpO volume 1 Press the AUDIO pushbutton twice Verify a Key Click tone is heard each time and the Message Window displays SpO2 2 Press the VOLUME UP VOLUME DOWN pushbuttons and verify the SpO2 volume can be adjusted to one of five volume levels and OFF 3 Set the volume level as desired 4 Press the STOP pushbutton when completed CONFIGURATION MODE TESTS Perform the following procedures to verify the following system operations of the monitor
100. nput receptacle 3 While holding down on the tab pull the fuse holder out 4 Remove the fuses 5 Place new fuses directly into the fuse holder 6 Insert the fuse holder into the power input receptacle There should be an audible click when it is secure 21 02 0174 REV 02 05 08 91 CASMED 740 MONITOR SERVICE MANUAL CASMED 740M The CASMED 740M Monitor uses a single fuse located inside the monitor on the DC DC Converter Board The one 1 fuse for the CASMED 740M Monitor is rated at 125VAC 3 15A Time Lag Refer to Section 14 SPARE PARTS for part number information CAUTION For continued protection against fire hazard replace only with identically rated fuses A fuse may need to be replaced if the monitor is plugged into an electrical outlet but the Battery Power Visual Indicator is not illuminated the color Green WARNING Before changing the fuse disconnect the monitor from its power source To replace the fuse 1 Turn the monitor OFF and disconnect it from its power source 2 Complete the steps in sections Prior to Disassembly and Monitor Disassembly below 3 Remove and replace the defective fuse from the DC DC Converter Board NOTE The board will be attached to the monitor s rear case assembly 4 Secure the fuse in place by placing a bead of silicon RTV adhesive around the fuse 5 Finish assembling the monitor by following the steps in section Monitor Assembly MAIN MONITOR SERV
101. nts and repairs are made in accordance with the instructions provided by CAS Medical Systems Inc The same warranty conditions are made for a period of twelve 12 months with respect to printer and battery A ninety 90 days warranty is provided for non disposable accessories such as reusable SpO sensors reusable temperature probes and other accessories provided by CAS as part of the original purchase CAS warrants disposable or single patient use products including blood pressure cuffs for out of box failure only Reusable blood pressure cuffs are warranted for one year Where the accessory is not a CAS Medical Systems Inc manufactured product the manufacturer s own warranty applies Warranty of accessories purchased separately from listed suppliers will be the responsibility of such listed suppliers Damage to any part through misuse neglect or accident or by affixing any accessories or attachments other than CAS Statcorp Masimo Nellcor amp Nonin and Welch Allyn manufactured accessories or attachments is not covered by this warranty The foregoing warranties shall not apply if the product has been configured modified adjusted or repaired other than by CAS Medical Systems Inc or by persons expressly authorized by CAS Medical Systems Inc or not in accordance with written instructions provided by CAS Medical Systems Inc or if the product has been subjected to misuse negligence or accident This warranty is void if the
102. o select a time interval for Automatic blood pressure measurement Automatic measurement cycles of 1 2 3 4 5 10 15 30 60 or 90 minutes may be chosen Also used to read the monitor s current time press and hold for two 2 seconds Allows the user to review stored patient readings Used to set the volume level of the Alarms and the SpO if SpOz installed Use the Up and Down Arrows to change Also used to adjust the brightness of the front panel displays press and hold for two 2 seconds Allows the user to enter and set the monitors Alarm Limits Allows forward Adjustment Auto Cycle History Inflation Pressure Limits and Monitor Configuration Press to cycle through menu selections or press and hold for quicker advance Sets the patient mode to Adult when pressed and hold while the monitor is being turned on 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL ARROW Allows backwards Adjustment Auto Cycle History Inflation DOWN Pressure Limits and Monitor Configuration Press to cycle through menu selections or press and hold for quicker advance Sets the patient mode to Neonate when pressed and hold while the monitor is being turned on NEXT The HISTORY and VOLUME pushbutton keys have been programmed to allow the user to advance forward to the next selection in the Monitor Configuration menu PREVIOUS The CYCLE TIME and ALARM LIMITS pushbutton keys have been programmed
103. od pressure cuff for damage CAUTION If the cuff should become grossly contaminated with blood or other bodily fluids it should be discarded NOTE CAS does not recommend submersion of the cuff Liquid should not be permitted to enter the cuff bladder because instrument damage may occur The cuff should be allowed to thoroughly dry before use TUFF CUFF As necessary clean the cuff using a soft cloth dampened with a 7096 Isopropyl Alcohol solution SAFE CUFF As necessary clean the cuff using a soft cloth dampened with a soap water based detergent or chlorinated disinfectant solution Do not use alcohol SOFTCHECK These cuffs are designed for single patient use and are not to be reprocessed ULTRACHECK As necessary for normal cleaning with mild detergents dilute bleach solution 1 296 wipe the cuff with the cleaning solution rinse with water and dry 21 02 0174 REV 02 05 08 56 CASMED 740 MONITOR SERVICE MANUAL PNEUMATIC TUBING CAUTION If the hose should become grossly contaminated with blood or other bodily fluids it should be discarded NOTE CAS does not recommend submersion of the hose Liquid should not be permitted to enter the hose because instrument damage may occur The hose should be allowed to thoroughly dry before use Prior to each patient use inspect the NIBP Inflation Hose for proper connection cracks and kinks As necessary clean the pneumatic tubing usin
104. of text LOT Lot Number Symbol used to indicate where Relative Humidity information concerning storage and transport can be located Single Patient Use Do Not Reuse Symbol used to indicate the minimum and maximum storage and transport Temperatures Use By date yyyy mm 7 0 E 21 02 0174 REV 02 05 08 31 CASMED 740 MONITOR SERVICE MANUAL SYMBOLS CONT This symbol appears on the printer in place of text N WARNING Before removing read instructions located in User s Manual 21 02 0174 REV 02 05 08 32 CASMED 740 MONITOR SERVICE MANUAL 6 MONITOR CONTROLS FRONT PANEL 2 1 SYSTOLIC mmHg DIASTOLI ON STANDBY SILENCE RESET Front Panel Keyswitch panel with English text 17303 0 73 135 92 SYSTOLIC mmHg DIASTOLIC mmHg Front Panel Keyswitch panel Symbols only Figure 2 Front Panel Views 21 02 0174 REV 02 05 08 33 CASMED 740 MONITOR SERVICE MANUAL DIGITAL DISPLAY AND INDICATORS SYSTOLIC mmHg DIASTOLIC mmHg MAP mmHg TEMP SpO BPM ADULT NEO TEMP Ready 34 Red colored LEDs indicate the Systolic pressure measurement in mmHg Red colored LEDs indicate the Diastolic pressure measurement in mmHg Red colored LEDs indicate the Mean Arterial Pressure in mmHg if enabled A Yellow LED indicator with Red colored LEDs indicates temperature value if installed Green colored LEDs indicates 96
105. ol Board at keypad connector J6 It is read as an input pin to the Supervisor U5 pin 21 The Supervisor has an output pin U5 pin 7 that controls the reset to the DSP U20 Monitor ON OFF 5V ENABLE The monitor turning on and off is control by an output pin of the Supervisor U5 pin 11 and associated components Q1 and Q2 Communication with Digital Signal Processor Controller The Supervisor U5 has two way communication to the DSP U20 using a dedicated SPI line Monitor Battery Charger and Battery Conditions The DC input and Battery inputs are read by two analog to digital converter of the Supervisor U5 pins 2 and 3 The results of these signals are used to control the Low and Dead Battery conditions of the monitor and the status of the front panel Power Charging LED LED 1 Two output lines from the Battery Charger Control chip U8 are read by the Supervisor U5 pins 23 and 24 The information from these pins informs the Supervisor the status of the charging condition fast charge trickle charge or hold off All of the information is sent from the Supervisor to the DSP U20 thru the SPI port DIGITAL SIGNAL PROCESSOR CONTROLLER The Motorola DSP56F827 is Digital Signal Processor DSP U20 and is the Main Controller of the CASMED 740 Monitor The controller has 64K of program flash 4 of data flash 1K program ram 4K of data ram and operates off an external 4 MHz crystal The DSP features are PLL 2 SPI ports TOD wat
106. onnector Pin Layout 24211 54 Figure 9 Model 740 Monitor Overall Block Diagram 61 Figure 10 re notet i e 62 Figure 11 Power Up 63 Fig re 12 SpO Trouble Shooting aee pet 64 Figure 13 Temperature Trouble menn enn 65 Figure 14 Removing the Battery terne rr tenetur res donec 90 Figure 15 Replacing the Power Supply 2 24 11 94 Figure 16 Replacing the 95 Figure 17 Replacing the SpO 2 2 212 2 7 1 9 11 96 Figure 18 Replacing the Temperature Module 97 Figure 19 Replacing the Main Control 98 Figure 20 Replacing the Front Panel Membrane 99 Figure 21 Replacing the RS232 Nurse Call Interface 100 Figure 22 Replacing the Temperature Interface Switch Board 101 Figure 23 Replacing the RS232 Nurse Call Interface
107. or Pulse Oximeter Probe Connector Two way Communication Port RS232 and Nurse Call Interface Connector Temperature Probe Connector 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL SYMBOLS CONT These symbols appear on the front panel in place of text ON STANDBY Turns ON the Monitor s display NOTE Monitors shipped earlier displayed the symbol SILENCE RESET START STAT STOP min N CYCLE TIME Z HISTORY VOLUME ALARM LIMITS 21 02 0174 REV 02 05 08 29 CASMED 740 MONITOR SERVICE MANUAL SYMBOLS V ADULT NEO TEMP 30 CONT ARROW UP ARROW DOWN Bar graph display of SpO signal strength Pulse Rate Display A lighted LED used to indicate NIBP operating in Adult Mode A lighted LED used to indicate NIBP operating in Neonatal Mode A lighted LED used to indicate the Temperature Option is installed A tri colored LED used to indicate the status of the monitors power source 21 02 0174 REV 02 05 08 CASMED 740 MONITOR SERVICE MANUAL SYMBOLS CONT These symbols appear on the battery pack in place of text 1 2 My i 3 4 1 2 1A EN Located on the Smart Pack batteries if available set of four 4 LEDs used to indicate the approximate amount of charge remaining in the battery pack Recycling suggested see General Notes These symbols appear on the packaging in place
108. purchased for AC Line power the power input receptacle incorporates dual fuses located in the hot and neutral lines BATTERY COMPARTMENT The CASMED 740 Monitor is equipped with a 7 2 Volt 3700 mAhr battery pack that when fully charged is capable of taking 100 NIBP readings when the monitor is set in the 5 minute Automatic Mode NOTE The serial number label is located on the bottom of the monitor TEMPERATURE PROBE ELECTRICAL CONNECTION if equipped Connect the Temperature cable in this receptacle for Temperature monitoring Leave the probe connection in place The Temperature function is OFF until the probe is removed from the holder 21 02 0174 REV 02 05 08 41 CASMED 740 MONITOR SERVICE MANUAL EQUIPOTENTIALITY GROUND POST This terminal can be used to provide an auxiliary ground for the monitor EXTERNAL DEVICE INTERFACING The CASMED 740 Monitor is available with a combined optional DB9 RS232 output and Nurse Call interface The RS232 output maybe used to interface to the Citizen CMP 10 Mobile Printer or another serial printing device LEFT SIDE VIEW Masimo and Nellcor Nonin Figure 6 Left Side Panel Views 21 02 0174 REV 02 05 08 42 CASMED 740 MONITOR SERVICE MANUAL MAXEN CUFF HOSE CONNECTION The inflation hose is connected to the monitor where the MAXNIBP logo is located as shown in Figure 6 The hose must be connected to the cuff prior to use
109. racy Blood Pressure 5 mmHg with a standard deviation no greater than 8 mmHg See Standards Pulse Rate 2 or 2 BPM whichever is greater OXIMETRY OPTIONS Characteristic Specification Nonin Type Functional Oxygen Saturation 5 Range 0 100 5 Accuracy Sensor Accuracy 8000AA 70 100 2 digits 1 S D 8000AP 8000K2 Sensor Accuracy 8000J 70 100 3 digits 1 S D 8000R Sensor Accuracy 8000Q 70 100 4 digits 1 S D Measurement Wavelengths Red 660 nanometers Infrared 910 Nanometers Power 3 mW nominal Pulse Rate Range 18 240 BPM Pulse Rate Accuracy 3 or 1 digit whichever is greater Numerics Updated every one 1 second NOTE For further information on sensors and sensor accuracy contact Nonin 21 02 0174 REV 02 05 08 141 CASMED 740 MONITOR SERVICE MANUAL Characteristic Specification Masimo Type Functional Oxygen Saturation 5 96 Range 0 100 SpO Accuracy Sensor Accuracy DC 195 70 100 2 digits 1 S D LNOP LNOP DCI LNOP DCSC LNOP DC1P LNOP DC150 LNOP Pat LNOP Y 1 LNOPv Ad Sensor Accuracy LNOP Neo 70 100 3 digits 1 S D LNOP Neo Pt Sensor Accuracy LNOP EAR 70 100 3 5 digits 1 S D Measurement Wavelengths Re
110. rately determine the systolic and diastolic pressures When a patient is experiencing arrhythmias during a NIBP measurement the accuracy of the pulse determination may be affected or the time needed to complete a measurement may be extended The monitor will not make a determination beyond 120 seconds If the cuff is applied on a limb being used for oxygen saturation monitoring SpOz results will be altered during each blood pressure measurement due to the occlusion of blood flow Inspect the monitor air hose and sensors for any damage prior to operation If any damage is noted the monitor should not be used until it has been serviced The monitor should be repaired only by personnel authorized to do so by CAS Medical Systems Inc Use only CAS Medical Systems approved accessories and sensors to preserve the integrity accuracy and the electromagnetic compatibility of the monitor Consult a physician for interpretation of blood pressure measurements The oximeter is factory calibrated to determine the percentage of arterial oxygen saturation of functional hemoglobin Significant levels of dysfunctional hemoglobins such as carboxyhemoglobin or methemoglobin may affect the accuracy of the measurement Cardiogreen and other intravascular dyes depending on the concentration may affect the accuracy of the oximeter measurement 21 02 0174 REV 02 05 08 21 CASMED 740 MONITOR SERVICE MANUAL CAUTION Some sensors may not
111. recommends replacing the monitor s battery every two 2 years When the CASMED 740 Monitor is going to be stored for six 6 months or more remove the battery prior to storage To remove the battery refer to Section REPLACING THE MONITOR BATTERY NOTE Batteries not charged and left in storage for more than six 6 months could degrade and not recharge to full capacity If the CASMED 740 Monitor has been stored for more than thirty 30 days charge the battery as described in Section BATTERY CHARGE fully discharged battery requires four 4 hours to receive a full charge The battery is being charged whenever the monitor is connected to a power source AC Line Power or 12 VDC 21 02 0174 REV 02 05 08 59 CASMED 740 MONITOR SERVICE MANUAL This page is intentionally left blank 21 02 0174 REV 02 05 08 60 CASMED 740 MONITOR SERVICE MANUAL 10 TROUBLESHOOTING SYSTEM TROUBLESHOOTING pieog joued youmsfhoy em pg uo 5720 60 50 esunN oL 4 ATE ZH 09 0S OVA Orc 001 cecsSu 8620 60 60 oL 2920 60 60 Bus l S E HO eur 1800 10 11 SUIN OV eunjejeduje gt oJnjejeduuo r nT esunN ulen esunN is Haud 01 ees JO SILWIOY eouelis 0570 80 50 UIUON JO 9010
112. ring between measurement cycles Occasionally electrical signals at the heart do not produce a peripheral pulse If a patient s beat to beat pulse amplitude varies significantly for example pulsus alternans atrial fibrillation rapid cycling artificial ventilator blood pressure and pulse rate readings can be erratic and an alternate measuring method should be used for confirmation Where the integrity of the external protective conductor in the installation or its arrangement is in doubt EQUIPMENT shall be operated from its INTERNAL ELECTRICAL POWER SOURCE Isolation of product from mains can only be achieved by removal of external power cord Do not under any circumstances perform any testing or maintenance on the monitor or power cord while the unit is being used to monitor a patient Unplug the power cord before cleaning or servicing the monitor The operator should not perform any servicing except as specifically stated in this manual Do not touch part of non medical electrical equipment in the patient environment after removal of covers connectors etc without the use of a tool which operate at voltages not exceeding 25 VAC or 60 VDC and the patient at the same time Do not use a frayed or damaged power cord or any accessory if you notice any sign of damage Contact CAS Medical Systems for assistance The use of Accessory equipment not complying with the equivalent safety requirements of this equipment may lead to a reduced
113. rom the CASMED 740 Monitor into the Electrical Safety Analyzer 3 Turn the CASMED 740 Monitor 4 Perform a Leakage Check per manufacturer s instructions Verify the monitor s leakage to be less than 100 micro amps 21 02 0174 REV 02 05 08 85 CASMED 740 MONITOR SERVICE MANUAL HYPOT Monitor NOTE CAS Medical Systems recommends a Hypot Electrical Safety Checks be performed each time the monitor s case is opened or patient isolation is in question WARNING Do not touch the monitor when performing this test 1 Disconnect all accessories from the monitor 2 Plug the AC power cord from the CASMED 740 Monitor into the Hypot Tester WARNING Do not turn the monitor ON during a hypot test 3 Perform a Hypot Test per manufacturer s instructions for one 1 minute at 2 5 KV 4 Verify that there was no arching observed HYPOT SpO WARNING Do not touch the monitor when performing this test 1 Connect the appropriate SpO2 probe and or cable to the monitor 2 Plug the AC power cord from the CASMED 740 Monitor into the Hypot Tester 3 Connect a lead wire from the Ground terminal of the Hypot tester to the SpO2 probe WARNING Do not turn the monitor ON during a hypot test 4 Perform a Hypot Test per manufacturer s instructions for one 1 second at 1 8 KV 5 Verify that there was no arching observed Disconnect the monitor from the test equipment This concludes the te
114. s current setting for Daylight Saving Time Press one of the NEXT programmed pushbutton keys to advance onto the next menu or use the STOP pushbutton to exit to the Ready mode 21 02 0174 REV 02 05 08 51 CASMED 740 MONITOR SERVICE MANUAL This page is intentionally left blank 21 02 0174 REV 02 05 08 52 CASMED 740 MONITOR SERVICE MANUAL 8 EXTERNAL DEVICE INTERFACING OVERVIEW The CASMED 740 Monitor is capable of interfacing to an external Serial printer or have the ability to interface to a Nurse Call System if the DB9 RS232 option is available Both connections are made through the DB9 connector located on the rear panel of the monitor WARNING The CASMED 740 Monitor has been tested with the Citizen CMP 10 Mobile printer to comply with IEC 60601 1 1 and is the only printer that is recommended to be used with the monitor another printer is to be used the user must read the Warning on Page 20 under LEAKAGE CURRENT TEST and follow the guidance given RS232 The CASMED 740 monitor uses the DB9 connector to interface to the Citizen CMP 10 Mobile printer using the cable supplied with the printer The connector information provided in this section is made available to allow the user the ability to print the monitor s History data to an external serial printer Refer to Figure 8 and Table 4 for connection information Refer to Section15 SPECIFICATIONS for Serial Interface information NURSE CALL INTERFACE
115. s prescribed by the American National Standard for Electronic or Automated Sphygmomanometers The 4th Korotkoff sound was used to determine Diastolic pressure Study findings are available Units comply with the following requirements IEC 60601 1 EN 60601 1 2 IEC 865 IEC 60601 2 30 IEC 60601 2 49 ETL Listed UL 2601 CAN CSA C22 2 No 601 1 CE marking according to Directive 93 42 EEC Possession or purchase of this device does not convey any express or implied license to use the device with replacement parts which would alone or in combination with this device fall within the scope of one or more of the patents relating to this device Masimo a registered trademark of Masimo Inc Nellcor amp OxiMax amp and SatSeconds are trademarks of Covidien AG or an affiliate NONIN NONIN Finger Clip Sensor and Flexi Form Sensors are registered trademarks of Nonin Medical Inc and SureTemp Plus are registered trademarks of Welch Allyn Inc CASMED Safe Cuff amp Pedisphyg and FOR WHAT S VITAL are registered trademarks of CAS Medical Systems Inc All units covered by U S patent 4 796 184 and 5 022 403 Other patents pending Monitors are C marked 21 02 0174 REV 02 05 08 148
116. stem pressure to 50 mmHg Inflate system pressure to 100 mmHg Inflate system pressure to 150 mmHg Inflate system pressure to 200 mmHg Over Pressure Verify the Message Window displays Over Pres Pneumatic Pressure Tests Plug Tube Test 500 mL Pressure Check NIBP Simulator Check Monitor displays correct NIBP values Temperature Calibration Check Monitor displays correct Temperature value Oximetry Simulator Check Monitor displays correct SpO values Leakage Verify the monitor s leakage to be ess than 100 micro amps Hypot Monitor verify no arching was observed SpOz verify no arching was observed 21 02 0174 REV 02 05 08 88 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Fail Fail Fail Fail Fail Fail Fail Fail Fail Fail Fail CASMED 740 MONITOR SERVICE MANUAL 12 SERVICE PROCEDURES INTRODUCTION CAUTION Removal of the Warranty Void If Removed sticker voids any warranty the monitor may have Refer service only to technicians trained by CAS Medical Systems Inc This section discusses the replacement of major assemblies found inside the CASMED 740 Monitor WARNING Before attempting to open or disassemble the CASMED 740 Monitor disconnect the power cord from the monitor and remove the battery CAUTION Observe ESD electrostatic discharge precautions when worki
117. sting to the CASMED 740 Monitor 21 02 0174 REV 02 05 08 86 CASMED 740 MONITOR SERVICE MANUAL DATA SHEET Date Tested By CASMED 740 Monitor Data Sheet Dealer Hospital Monitor Type Address Monitor Serial Number City Battery Charge Verify the Battery Power Visual Indicator is lit Pass Fail Turning the CASMED 740 Monitor Monitor displays Configuration for one second Pass All equipment parameters are lit for one second Pass All High Alarm values are displayed for one second an audio tone is heard and the message Hi Lims is displayed in the Message Window Pass All Low Alarm values are displayed for one second an audio tone is heard and the message Lo Lims is displayed in the Message Window Pass The monitor s current time is displayed for one second Pass Fail Displaying the Time Verify the monitor s Time is set correctly Pass Fail Alarm Audio Verify the Alarm Volume can be adjusted to one of five levels Pass Fail SpO Audio Verify the 5 Volume can be adjusted to one of five levels Pass 21 02 0174 REV 02 05 08 87 CASMED 740 MONITOR SERVICE MANUAL LED Check Verify all front panel LED displays and visual indicators are lit 12 Volt Power Supply Check Verify the voltage reading to be 12 0 50 System Pressure Deflate system pressure to 0 mmHg Inflate sy
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119. te to be within 2 or 2 BPM whichever is greater NOTE Results may vary based on the NIBP Simulator being used TEMPERATURE CALIBRATION CHECK To perform a Temperature Calibration Check obtain a Calibration Key This key can be purchased directly from Welch Allyn or CAS Medical Systems Refer to the SPARE PARTS section for part number information NOTE The Temperature Calibration Check can be performed at any time once the monitor enters the Configuration Menu 1 Turn the monitor OFF 2 Remove the temperature probe and its connector completely from the monitor and insert the Calibration Key 3 Turn the monitor ON and enter the monitor s Configuration Menu 4 Re insert and remove the temperature probe from the probe guide to reset the thermometer s electronics An audible click should be heard when the SureTemp probe is completely placed into its holder The SureTemp Plus probes will slide in and out of the Probe Well without any restrictions 5 Wait for the test to complete and observe the display reading in the TEMP display window 6 The display value should read 36 3 0 1 or 97 3 0 1 F NOTE The monitor will display the Temperature Calibration Key value using the current temperature units selected 21 02 0174 REV 02 05 08 84 CASMED 740 MONITOR SERVICE MANUAL NOTE The Temperature Calibration Key will only operate while the monitor is i
120. ted power supply for the Temperature Module circuit The 5 volts output of the switching regulator U1 goes into a dc dc converter U17 to supply 5 volts to the Temperature Module circuit The converter provides an isolation voltage of 2 5KV The dc dc converter is turned on and off by the DSP controller U20 and transistor Q12 5 502 TP8 Isolated power supply for circuit The 5 volts output of the switching regulator U1 goes into a dc dc converter U9 to supply 7 volts The converter provides an isolation voltage of 2 5KV The dc dc converter is turned on and off by the DSP controller U20 and transistor Q7 The output of the converter feeds a 5 volt regulator 022 that provides voltage for the SpO board 4 5VCRG 6 Power supply for the Battery Charger The DC input goes into a voltage regulator U7 to supply the 5 volts VND TP4 Power supply for the Blood Pressure pump The DC input or the Battery input if there is no DC present goes into a voltage regulator U27 to supply the 6 volts The voltage regulator is turned on and off by the DSP controller U20 and transistors Q16 and Q17 BATTERY CHARGER The battery charging is controlled by U8 SUPERVISOR MICROCONTROLLER The Microchip PIC16F73 05 is the supervisor of the Main Control Board The controller has 4K of program flash 192 bytes of data memory and operates from an external 153 6KHz crystal The Microcontroller has 22 l O s 3 timers
121. ter manufacturer and d is the recommended separation distance in meters Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is effected by absorption and reflection from structures objects and people Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the Model 740 Monitor is used exceeds the applicable RF compliance level above the Model 740 Monitor should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as re orienting or relocating the Model 740 Monitor 5 Over the frequency range 150 kHz to 80 field strengths should be less than 3 V m Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and t
122. used by pulsations of blood in the vascular bed are used to determine arterial saturation and pulse rate The oximeter requires no routine calibration or maintenance Oxygen saturation and heart rate are displayed on light emitting diode LED digital displays On each detected pulse the perfusion LED does indicate patient perfusion signals This bar graph gives the user a pulse by pulse visual indication of waveform signal quality An audio can be enabled that is generated each time the SpO module detects a pulse NOTE The bar graph is not proportional to the pulse volume The temperature parameter has the capability of taking temperature in either normal predictive or monitor mode In the normal mode the thermometer s microprocessor predicts body temperature in about four 4 seconds for oral temperatures about ten 10 seconds for axillary temperatures and in about fifteen 15 seconds for rectal temperatures 21 02 0174 REV 02 05 08 11 CASMED 740 MONITOR SERVICE MANUAL Monitor mode is normally used for longer term monitoring and when difficult situations prevent accurate temperature from being taken in the predictive mode In monitoring mode the probe must be in contact with tissue for at least three 3 minutes for accurate oral rectal temperature measurement and five 5 minutes for accurate axillary temperature measurement The default setting used by the CASMED 740 Monitor for temperature determ
123. ushbuttons 3 The monitor will illuminate all appropriate 7 segment displays bar graph bell icon and patient mode indicators for as long as the button is pressed 12 VOLT POWER SUPPLY CHECK Perform the following procedure to verify the proper DC input voltage to the Main Control Board 1 Enter the Test Mode The Message Window will briefly display TEST MODE followed by 0 mmHg 2 Press and hold the SILENCE RESET pushbutton 3 The monitor will display the input voltage VDC reading in the Message Window Verify the value to be 12 0 50 V CALIBRATION CHECK A Calibration Kit product 9 is included with the monitor The kit contains a T connector with a male and a female luer fitting for a Calibration Check and a male luer plug to be used for the Pneumatic Check Obtain a mercury manometer whose accuracy meets the AAMI ANSI Standard for Non Automated Sphygmomanometers 2002 NOTE The monitor must be in the Adult mode prior to performing these pressure checks 21 02 0174 REV 02 05 08 81 CASMED 740 MONITOR SERVICE MANUAL SYSTEM PRESSURE Assemble the Calibration Kit according to the diagram provided in the P9 kit 1 2 3 4 5 Remove the manometer tubing from the inflation bulb Connect the open ended tubing of the T connector to the inflation bulb Connect the female luer fitting to the inflation tube leading to the manometer Connect the male luer fitting to the manometer
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CASMED 740 Vital Signs Monitor Service Manual

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