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Service Manual

Disassembly and reassembly

37

5.

Lift the top of the main board slightly away from the chassis to access the NIBP
tubing connection to the air inlet/filter.

6.

Disconnect the NIBP tubing from the air inlet/filter port.

REASSEMBLY: When you reassemble the bottom chassis, verify that the radio card and
the antenna are still in the correct positions:

Caution

Do not apply tool edges or serrations to the tubing. The tubing is

fragile, especially at the joints. To avoid damaging the tubing, disconnect using
only your fingers or unserrated pliers.

Main board screws
Reassembly: 4 inch lbs

Lift this side of the main board slightly
to access the NIBP tubing connection
underneath

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Summary of Contents for Propaq LT 802LT0N

Page 1: ...Propaq LT Vital Signs Monitor Service Manual Software version 1 5X or later ...

Page 2: ...d international treaty provisions applicable worldwide Under such laws the licensee is entitled to use the copy of the software incorporated with this instrument as intended in the operation of the product in which it is embedded The software may not be copied decompiled reverse engineered disassembled or otherwise reduced to human perceivable form This is not a sale of the software or any copy of...

Page 3: ...ns 5 Related documents 6 Controls 6 Service menu 6 3 Troubleshooting and repair 9 Troubleshooting chart 9 Battery use and care 16 Service chart 17 Service menus for repair and network troubleshooting 19 4 Disassembly and reassembly 23 Procedures overview 23 Procedures 27 5 Functional verification 53 Functional verification overview 53 Equipment required 53 Procedures 54 Checklist and test results ...

Page 4: ...iv Contents Welch Allyn Propaq LT Vital Signs Monitor ...

Page 5: ...braded or broken insulation WARNING Do not use a monitor that has been damaged If a monitor has been damaged remove it from service until it has been verified for proper operation by qualified service personnel WARNING Use only accessories approved by Welch Allyn Visit www welchallyn com The use of any other accessories can result in inaccurate patient data can damage the equipment and can void yo...

Page 6: ... accordingly Perform all service procedures in a static protected environment Always use techniques and equipment designed to protect personnel and equipment from electrostatic discharge Remove static sensitive components and assemblies from their static shielding bags only at static safe workstations a properly grounded table and grounded floor mat and only when you are wearing a grounded wrist s...

Page 7: ...Service Manual Safety summary 3 Symbols WARNING Indicates conditions that could lead to illness injury or death Caution In this manual indicates conditions that could damage equipment or other property ...

Page 8: ...4 Safety summary Welch Allyn Propaq LT Vital Signs Monitor ...

Page 9: ...lch Allyn offers the following technical support services Telephone support 1 800 289 2501 and 1 503 530 7500 Loaner equipment Service agreements Service training Replacement service parts Factory service WARNING When performing a service procedure follow the instructions exactly as presented in this manual Failure to do so could damage the monitor invalidate the product warranty and lead to serio...

Page 10: ...age all hoses connectors cables sensors power cords and other ancillary products and equipment except those items that might be associated with the problem Put the monitor enclosed in a plastic bag with a packing list into the original shipping carton with the original packing materials or into another appropriate shipping carton Write the Welch Allyn RMA number with the Welch Allyn address on the...

Page 11: ...nctional verification on page 55 Every 36 months Replace the air filter Replacing the air filter on page 30 Every 36 months Replace the battery Removing the lithium ion battery assembly on page 29 The battery does not hold a charge Check battery capacity Replace the battery Functional verification on page 55 Removing the lithium ion battery assembly on page 29 The monitor has been dropped or other...

Page 12: ...o Welch Allyn Factory Service See Returning products on page 6 Non warranty service Welch Allyn Beaverton Factory Service and authorized Service Centers support non warranty repairs Contact any Welch Allyn regional service center for pricing and service options Welch Allyn offers modular repair parts for sale to support non warranty service This service must be performed only by qualified end user...

Page 13: ... item decrease the parameter value Display Cycle to the next configured display format or cancel the current control setup or pop up menu Right Move the cursor right to the next display item increase the parameter value Snapshot Record a 21 second period of numeric and waveform data Up Move the cursor up to the next display item Start Stop NIBP Start or stop an NIBP measurement Cradle Monitor Rele...

Page 14: ...Snapshots Snapshots Setup Setup HR min HR min NIBPmmHg NIBPmmHg Resp min Resp min SpO2 SpO2 Timings Timings Service Service Alarms Alarms ECG ECG NIBP NIBP Setup Setup STEWART ANN STEWART ANN 7762940 7762940 3 00 06P 3 00 06P Adult Adult Rm ICU 263 Rm ICU 263 qualified service personnel only qualified service personnel only Select to enter service menus Select to enter service menus Configuration ...

Page 15: ...on has been detected that might be resolved by restarting the monitor Restart the monitor If the fault does not reappear continue to use the monitor System Fault Service monitor An unrecoverable system error has occurred Send the monitor to an authorized Welch Allyn Service Center for service See Returning products on page 6 System Fault Service radio Radio fault detected Send the monitor to an au...

Page 16: ...use on page 47 Monitor battery run time duration is less than specified The battery is deficient Replace the battery Removing the lithium ion battery assembly on page 29 Radio cannot link up to the Acuity Central Station See Radio on page 14 Yellow indicator on the cradle Monitor current draw is too high Cradle circuit breaker is tripped Charger state 1 Service the monitor or the cradle Monitor ha...

Page 17: ...Check hose Internal tubing is disconnected Connect the internal tubing Removing the NIBP assembly from the main board on page 41 Internal tubing is damaged Replace the damaged section of internal tubing Removing the NIBP assembly from the main board on page 41 Equipment Alert NIBP Fault Kinked or neonate hose If the correct hose is connected and not kinked then the internal tubing might be blocked...

Page 18: ... configuration Use the configuration utility to enable wireless communication for the monitor No Acuity connection network communication icon with slash is displayed on the monitor screen and the yellow indicator above the screen is lit Monitor is out of radio range 802LTRN S RSSI approx 60 802LTAN S RSSI approx 70 Move the monitor within range of an Acuity access point Netname ESSID set wrong Set...

Page 19: ...no more addresses Contact Welch Allyn Acuity technical support See page ii Radio Monitoring service screen persistently displays Sending Acuity broadcast All Acuity systems with wireless are unavailable Wait The Acuity system is at capacity for licenses Turn off another wireless monitor Frequent communication faults with no apparent cause On the Radio Monitoring service screen TX RX errors PERCENT...

Page 20: ...on battery assembly on page 29 or the cradle power board Disassembling the cradle on page 47 2 Battery fully charged Normal operating state 3 Battery partially charged Normal operating state 4 30 minutes of charge remaining undocked Normal operating state 5 30 minutes of charge remaining docked Normal transitory state 6 5 minutes of charge remaining undocked Normal operating state 7 5 minutes of c...

Page 21: ...e power board Disassembling the cradle on page 47 2 Monitor docked charging Green Green Normal operating state n a 3 Monitor docked temperature fault Yellow Green Fault battery pack temperature is out of range high or low Bring the battery pack temperature into specified range 0 C 40 C 4 Monitor docked battery voltage too low for charging Yellow Green Fault battery pack can no longer be charged Re...

Page 22: ...a warmer environment battery run time returns to normal Sustained charging at high temperatures near 40 C reduces battery life The battery continues to discharge when removed from the monitor but at a much slower rate than if it were in the monitor The battery when removed from the monitor discharges more slowly at low temperatures and more quickly at high temperatures Maintain battery capacity by...

Page 23: ...om the bottom chassis on page 45 2 Functional verification on page 55 Replace the LCD assembly 1 Disassembling the top chassis on page 34 2 Set LCD bias on page 23 3 Functional verification on page 55 Replace the top case assembly with button board and window 1 Disassembling the top chassis on page 34 2 Functional verification on page 55 Replace the bottom case assy with power switch power flex ca...

Page 24: ...al verification on page 55 Replace the power board 1 Disassembling the cradle on page 47 2 Functional verification on page 55 Replace the I O panel 1 Disassembling the cradle on page 47 2 Functional verification on page 55 Replace the upper housing 1 Disassembling the cradle on page 47 2 Functional verification on page 55 Replace the lower housing 1 Disassembling the cradle on page 47 2 Functional...

Page 25: ...ols and equipment needed and that you understand each step Caution Main board repair must be performed at the Welch Allyn Factory Service Center Any change to the main board requires system testing calibration and verification which can be done only at the Factory Service Center Caution Perform this characterization procedure only if you are prepared and equipped to perform the Characterization te...

Page 26: ...456187 12 41 32P 12 41 32P Adult Adult Rm 239 Rm 239 Audible Alarms Suspended Audible Alarms Suspended Service Service NIBP NIBP ECG ECG SpO2 SpO2 USB USB Radio Radio Software Software Display Display Battery Battery Voltages Voltages Buttons Buttons Characterize NIBP Characterize NIBP 1 Connect a standard neonatal NIBP hose 1 Connect a standard neonatal NIBP hose Exit Exit Select to initialize NI...

Page 27: ...io Status screens provide information that might be required if you have to troubleshoot the Acuity system network Note Perform this test only under fluorescent lighting Exit Exit NIBP NIBP ID SET_D80GH2FK ID SET_D80GH2FK 20 43 54 20 43 54 Adult Adult Rm Rm Service Service ECG ECG SpO2 SpO2 USB USB Radio Radio Software Software Display Display Battery Battery Voltages Voltages Buttons Buttons Disp...

Page 28: ...24 Troubleshooting and repair Welch Allyn Propaq LT Vital Signs Monitor ...

Page 29: ...air filter only if it appears that the filter is clogged and is restricting air flow to the pump Example Disconnect and remove the NIBP pump only if you are going to replace the pump or the NIBP air valve assembly Except where noted reassembly is the reverse of the disassembly Reassembly notes are identified by underlined text Caution Perform all repair procedures at a static protected station Cau...

Page 30: ...0 4 inch lbs 1 620 0278 xx Valve bracket Machine screw 4 40 4 inch lbs 2 620 0290 xx Pump bracket Machine screw 4 40 4 inch lbs 4 620 0149 xx Display bracket Thread forming screw 2 28 2 inch lbs 2 620 0408 xx Input flex assy bracket Thread forming screw 4 24 3 8 4 inch lbs 2 630 0260 xx Power flex conn Guide pin 4 40 2 620 0418 xx Power flex conn Flat washer 0 215 OD 2 620 0217 xx Power flex conn ...

Page 31: ...ter piece To disconnect a ZIF cable 1 Using a suitable tool paper clip small flat blade screwdriver or small needle nose pliers slide the latching piece of the connector away from the connector body and toward the cable releasing the cable from the connector 2 Remove the cable To connect a ZIF cable 1 Slide the latching piece of the connector body away from the body Note All connectors are keyed o...

Page 32: ...by grasping and pulling only on the connector halves Connector Connects with Connector Connects with Main Board Charging Cradle Interconnect Board J1 ECG flex J1 Cradle power board 3 conductor J2 On Off Switch J2 Cradle power board 10 conductor J3 SpO2 flex JP1 External USB J4 Display module P1 Propaq LT Monitor J5 BDM Charging Cradle Cradle Power Board J6 PCMCIA radio card J1 I O panel DC input J...

Page 33: ...tment WARNING The lithium ion battery can deliver currents sufficient to cause serious personal injury and to damage the monitor Before opening the monitor for any reason and before you begin any procedure described in this manual always remove the battery first WARNING The only safe method for charging the monitor battery is to insert the completely assembled monitor with the completely assembled...

Page 34: ... the air filter assembly 2 Remove and discard the air filter and replace it with a new one Battery assembly Battery door Battery compartment Note It is not necessary to replace the air filter each time you service or repair the monitor See Recommended service intervals on page 7 Air filter assembly Housing ...

Page 35: ...properly installed the filter cylinder is perfectly flush with the chassis surface Separating the top and bottom chassis halves 1 Removing the lithium ion battery assembly on page 29 2 Remove the four cylindrical rubber plugs from the screw holes in the bottom chassis REASSEMBLY When reinstalling the rubber plugs lubricate the screw holes with water applied with a damp cotton swab Air filter Cylin...

Page 36: ...ttom of the top chassis enough to access the speaker cable and disconnect the speaker cable from J11 on the Main board 5 Rotate the monitor 180 to access the top of the top chassis 6 Disconnect the blue button pad cable from ZIF connector J7 7 Rotate the monitor 90 to access the display cable connector J4 8 Disconnect the display cable from connector J4 Rear chassis screws Reassembly 6 inch lbs J1...

Page 37: ...blue gasket that runs around the chassis halves REASSEMBLY The slotted blue gasket between the top and bottom chassis halves is directional it can be correctly aligned in only one way Take care to reinstall the gasket correctly Display cable Display cable connector J4 ...

Page 38: ...e the display module a Remove the four screws from the display bracket and remove the bracket to free the display module b Remove the display module REASSEMBLY Tighten the display bracket screws to a torque of 2 inch lbs Take care to avoid stripping the plastic screw mounts Caution Take care to protect the front surface of the display module and all surfaces of the display screen from scratching a...

Page 39: ...ving the speaker note the alignment of the speaker cable terminals for rerouting the cable a Pry the speaker from the adhesive gasket securing it to the chassis b Remove any remaining gasket pieces from the front panel and discard them REASSEMBLY 1 Install a new gasket 2 Align the new speaker for proper cable routing 3 Seat the speaker on the gasket Display surface Speaker cable terminals Speaker ...

Page 40: ...halves on page 31 3 Disconnect the power USB flex cable from the main board connector P2 4 Remove the four screws holding the main board to the bottom chassis Caution Do not touch move or adjust the radio antenna The radio antenna is extremely fragile and is exposed during this procedure If the antenna is damaged the monitor must be returned to a Welch Allyn authorized Service Center for repair Po...

Page 41: ...Y When you reassemble the bottom chassis verify that the radio card and the antenna are still in the correct positions Caution Do not apply tool edges or serrations to the tubing The tubing is fragile especially at the joints To avoid damaging the tubing disconnect using only your fingers or unserrated pliers Main board screws Reassembly 4 inch lbs Lift this side of the main board slightly to acce...

Page 42: ...cable from ZIF connector J1 on the back of the main board Note If the radio card or the antenna has been moved out of position return the monitor to a qualified Welch Allyn service center The radio and the antenna are not field serviceable components antenna tucked inside the chassis foam tape white in place ferrite bead in place Air inlet filter port NIBP tubing Dampened cotton swab ECG flex cabl...

Page 43: ...nd to the ZIF connector before you lock the connector clips 8 Disconnect the SpO2 flex cable from connector J3 on the back of the main board 9 Disconnect the tubing section at the point shown here 10 Disconnect the power switch cable from connector J2 on the back of the main board SpO2 flex cable J3 SpO2 J1 ECG ECG flex cable Disconnect the tubing here ...

Page 44: ...40 Disassembly and reassembly Welch Allyn Propaq LT Vital Signs Monitor 11 Remove the main board Power switch cable connector J2 Main board with NIBP module ...

Page 45: ... the top and bottom chassis halves on page 31 3 Removing the main board from the bottom chassis assembly on page 36 4 Disconnect the two tubing sections from the pump WARNING After replacing any part of the NIBP assembly you must characterize NIBP Failure to characterize NIBP could lead to excessive cuff pressure for neonatal patients Caution Use extra care when handling the tubing The tubing espe...

Page 46: ...pressure is not slotted and is oriented toward the main board 5 Disconnect and set aside the three tubing assemblies NIBP disassembly part 2 Removing the pump 6 Note the relative positions of the pump the pump wires and the cable ties securing the pump Input smaller hole with slot Output larger hole without slot Input to smaller hole with slot Output to larger hole without slot ...

Page 47: ...nd replacement cable ties in the locations noted in step 6 on page 42 The back of the pump should align with the back of the pump bracket Note that the pump wires go inside the cable ties as shown NIBP disassembly part 3 Removing the valve assembly 10 Note the routing of the cable pack through the notch in the bottom of the valve assembly Cable ties Pump wires Red wire to the terminal Red Black Bl...

Page 48: ...he valve assembly straight up and off of the pressure transducers Caution Do not attempt to remove the pressure transducers The pressure transducers are not user serviceable Caution Take extra care to protect the pressure transducers as you remove the valve assembly Cable routing notch Pressure transducers Screw Reassembly 4 inch lbs Pressure transducers ...

Page 49: ...he two screws one is under a strip of foam tape securing it to the chassis 5 Pry the ferrite beads from the adhesive on the bottom case 6 The connector assembly is held in place by the two snap in clips and by an adhesive gasket Remove the assembly by pushing in the clips while applying upward pressure on the assembly to break the grip of the gasket REASSEMBLY Caution The ferrite beads are extreme...

Page 50: ... from the rear of the flex connector 5 Remove the connector guide posts from the connector well 6 Remove the Power USB flex connector assembly REASSEMBLY 1 Install the washers onto the new connector guide posts 2 Seat the guide posts inside the connector well noting the proper alignment of the flat side of the guide posts 3 Install the flex connector assembly 4 Add threadlocker to the screws and t...

Page 51: ...crewdriver 90 counterclockwise 2 Remove and replace the fuse 3 Replace the fuse cover Removing the bed rail hook 1 Remove the two screws securing the handle to the rear of the cradle 2 Slide the handle up and off of the shoulder screws Note To facilitate reassembly observe carefully while disassembling T3A 250V 12 28V 3A fuse cover Reassembly 12 inch lbs ...

Page 52: ...r housing REASSEMBLY Note the three screw holes that have nylon washers These washers must be used in these screw holes 2 Remove the threadlocking screw and nylon washer from the bottom of the I O panel Bottom chassis screws 7 Reassembly 6 inch lbs Nylon washers I O panel screw Reassembly 2 inch lbs USB equipped models only bend this rubber plug out to remove the bottom chassis detail ...

Page 53: ...r for leverage carefully rock the I O panel from side to side to break the bond of the adhesive gasket and then separate the I O panel from the upper housing 5 Remove and discard all pieces of the I O panel adhesive gasket 6 Unplug the AC power adapter from the cradle 7 Separate the upper and lower cases Note Do not attempt to save the adhesive gasket around the I O panel This gasket cannot be reu...

Page 54: ... the upper case REASSEMBLY Carefully install the thin black rubber seal in the trough in the lower case before joining the upper and lower case halves REASSEMBLY When the rubber seal is properly installed the ends of the seal extend into the I O panel opening Power board Interconnect board tubing ends opening for I O panel ...

Page 55: ...cradle housing REASSEMBLY When closing the cradle bend the white insulator on the power board to slide along the wall of the lower cradle housing 9 Note the routing of the J1 cable on the Interconnect board for later reassembly alignment slots lower cradle housing power board insulator lower cradle housing ...

Page 56: ...ital Signs Monitor 10 Disconnect J1 and J2 from the Interconnect board 11 Remove the Power board and I O panel by sliding the Power board out from the slots in the upper housing 12 Disconnect the I O panel connector from J1 on the Power board J1 J2 J1 J1 ...

Page 57: ... protective film from the adhesive gasket until the lower cradle housing is installed Removing the interconnect board 1 Remove the four screws securing the Interconnect board to the upper housing and lift the Interconnect board from the housing Removing the latch 1 Remove the four screws holding the latch bracket and remove the bracket Note An early version of the Interconnect board included a pho...

Page 58: ...ote Interconnect boards shipped in early production cradles included a photosensor assembly that is no longer used Later Interconnect boards do not have the photosensor assembly If you are reusing the original interconnect board leave the reflective foil intact otherwise disregard the reflective foil If you are replacing the latch the replacement latch on the replacement board might not look like ...

Page 59: ...ot tester Associated Research 3605 or equivalent Hi Pot Return Test Probe Associated Research 38082 Return Retractor Hi Pot High Voltage Test Probe Associated Research 38083 Safe T Probe High Voltage Test Gun ECG Simulator Fluke 217A or Equivalent SpO2 simulator to test the monitor and SpO2 sensor Fluke Biotek Index2 XL XLFE or equivalent Masimo SpO2 Functional tester Masimo SET to test the monito...

Page 60: ...r supply 2 Set the power supply for 28 VDC 3 Connect the DC input cable from the power supply to the cradle 4 With the monitor removed from the cradle verify that the input current to the cradle is less than 50 mA the power indicator on the cradle is green and the status indicator on the cradle is off 5 Disconnect the power cable from the cradle and the power supply 6 Connect the AC power adapter ...

Page 61: ...let the monitor continue to run for a minute 20 Install the monitor in the cradle and verify that the status indicator on the cradle is briefly green and then goes off Note Pump startup may be delayed until power up NIBP testing is completed Exit NIBP NIBP ID SET_CAOJ1T9L ID SET_CAOJ1T9L 3 00 06P 3 00 06P Adult Adult Rm Rm Service Service ECG ECG SpO2 SpO2 USB USB Radio Radio Software Software Dis...

Page 62: ...he displayed measured values for each supply are within the ranges shown on the screen 6 Navigate to Service Display Pixel Test and press twice 7 Using the navigation arrows cycle through the six colors on each screen half verifying that all pixels are displayed in all colors and with uniform accuracy and brightness 8 Press to exit the Pixel test 9 Go to the Buttons test and press twice 10 Push ea...

Page 63: ...p parameters on the ECG simulator to 20 breaths minute breath size 1 ohm base impedance between 200 and 1200 ohms Lead Select to lead I 2 On the monitor turn on Resp 3 Set the Waveform Source to Resp See Step 3 and Step 4 in ECG on page 58 4 Set the monitor Resp Lead to Ld1 RA LA Resp min Resp Lead 5 Verify that the monitor displays a Resp waveform with a rate of 20 bpm 2 bpm 6 Switch the respirat...

Page 64: ...ch could take as long as 30 seconds verify that the pulse rate is 200 bpm 3 bpm 7 Switch the simulator to 90 saturation 8 When the monitor display stabilizes verify that the saturation is 90 3 9 Disconnect the simulator Testing the Model 802LTxS monitors only 1 Connect the Masimo 1795 SET SpO2 Tester to the monitor via a Masimo DB9 LNCS cable 4 10 or 14 and a Masimo 1645 MAC 1 adapter cable LNOP t...

Page 65: ...n uncharacterized monitor can result in overinflation of neonatal cuffs The monitor is characterized at the factory If any change to the NIBP components occurs the monitor must be withheld from service until it has been characterized again Note If the time spent to run these tests is too long the monitor times out and dumps pressure Note This test method uses a higher test pressure than required f...

Page 66: ... Accuracy test 1 Remove the neonate cuff from the monitor and replace it with an adult cuff and hose and a digital pressure meter 2 Securely wrap the cuff around a solid cylinder of diameter between 3 2 and 4 3 inches 8 1 and 10 9 cm 3 Press to start the test at 80 mmHg The cuff inflates to approximately 80 mmHg and then settles to a lower pressure 4 Verify that the pressure reading on the monitor...

Page 67: ...iers The cradle contains two 4KV isolation barriers one between the 17 pin connector on the monitor and the dc power input connector on the cradle and one between the 17 pin connector on the monitor and the USB connector on the cradle These barriers are fully tested at the factory at 4KV rms at 60 Hz The power adapter also contains a 4KV isolation barrier Since each successive exposure to high vol...

Page 68: ...ier 1 Set up the hi pot tester as follows Voltage 1 500 VAC Ramp Down 0 Max Limit 2 50 mA Arc Sense 0 Min Limit 0 003 mA Frequency Set to local 50 or 60 Hz Ramp Up 5 0 S Continuity Off Dwell 5 0 S Connect Off Delay 0 2 Connect the retractable return probe to the RETURN connector of the hi pot tester 3 Connect the high voltage test probe to the HIGH VOLTAGE HV connector of the hi pot tester and as ...

Page 69: ...harged battery pack is specified to operate the monitor given the conditions listed below for 8 hours under a heavy load or 24 hours under a light load 11 7 Standalone Acuity connected Continuous monitoring Continuous monitoring Back light Off and display set to shortest time out period Back light Off and display set to shortest time out period Display on for no more than 5 minutes per hour plus a...

Page 70: ... Light load 24 hours ECG with normal sinus rhythm and 60 beats minute Resp at 20 breaths minute Heavy load 8 hours ECG with normal sinus rhythm and 60 beats minute Resp at 20 breaths minute SpO2 with saturation of 98 PR of 60 beats minute NIBP autointerval of 15 minutes ...

Page 71: ...adapter connected Power indicator ON Status indicator OFF 8 Status monitor running with discharged battery Status indicator GREEN 10 Charge current battery fully discharged 800 mA 1100 mA Charger state battery fully discharged 2 11 Status battery charging green 13 Charge current pump running 220mA 14 Battery voltage pump running 8 14 V 8 55 V 17 Status battery fully charged green 18 Charger state ...

Page 72: ... for each lead Lead Fail message for each lead 12 Pacer indicator Present Respiration 5 Waveform Lead 1 Present Heart rate 20 bpm 2 bpm 8 Waveform Lead 2 Present Heart rate 20 bpm 2 bpm SpO2 monitor only Nellcor 4 Pulse rate 60 bpm 60 bpm 3 bpm Saturation 75 75 3 6 Pulse rate 200 bpm 200 bpm 3 bpm 8 Saturation 90 90 3 SpO2 monitor only Masimo 2 Pulse rate 61 bpm 3 bpm Saturation 81 2 SpO2 monitor ...

Page 73: ...ccuracy 150 mmHg monitor reading meter reading 3 mmHg 8 Accuracy 300 mmHg monitor reading meter reading 6 mmHg Radio 2 Network connection symbol is present 4 RSSI 10 feet RSSI 41 802LTRN RS RSSI 61 802LTAN AS Safety Hi Pot 7 Isolation between the monitor and the cradle power input Isolated 8d Isolation between the monitor and the USB port Isolated Battery run time new battery optional Light load 2...

Page 74: ...70 Functional verification Welch Allyn Propaq LT Vital Signs Monitor ...

Page 75: ...Case 630 0243 XX Insert Rectangular Bottom Case 660 0218 XX Connector Assembly Power USB Flex 680 0074 XX Pump NIBP without wires 620 0403 XX Cable Tie 2 per pump 020 0625 XX Tubing Kit 3 Tubing Sections with fittings and check valve 020 0624 XX Valve Assembly Including Pump Wires 600 0396 XX Check Valve 600 0500 XX Filter 630 0224 XX Cap Filter 620 0385 XX O Ring Filter 620 0397 XX Strap Lugs Fas...

Page 76: ...bly with USB 020 0651 XX Housing Lower Cradle Assembly without USB 640 0637 XX Label Cradle 630 0259 XX Plug USB Cradle 600 0526 XX Foot Cradle 4 per 620 0406 XX Spring Latch Cradle 2 per 600 0552 XX Foil Latch Cradle Fasteners cradle 620 0188 XX Screw Plastite 4 20 X 375 60 1 Pan Head Philips 620 0415 XX Screw 6 32 X 375 PNH PHH SST PTH 620 0414 XX Washer 281 O D 175 I D 031 Thick Nylon 620 0423 ...

Page 77: ...through the syringe and the plunger shaft at a location between the plunger and the top of the syringe 3 Insert a rod or bolt for example a 6 32 screw through the hole so that the plunger cannot move creating a constant volume in the syringe of 35 ml 2 ml 4 Secure the rod or bolt so that it cannot fall out of the hole 10 20 30 40 50 60 ml ...

Page 78: ...74 35 ml test volume Welch Allyn Propaq LT Vital Signs Monitor ...

Page 79: ...ting states 15 troubleshooting 15 chassis disassembly 29 disassembly top piece 32 connector locations 26 connectors overview 25 controls monitor 6 cradle service chart 18 D disassembly procedures 23 display protecting 32 removing 32 E ECG cable 36 ECG flex cable 36 electrostatic discharge see ESD equipment required functional verification 53 ESD 2 F field replaceable unit 3 functional verification...

Page 80: ... user serviceable 3 radio status checking 21 reassembly procedures 23 returning products 4 RMA 4 routing 41 49 S safety 1 general information 1 screws chart 24 service intervals 5 warranty and non warranty 5 service menu 6 characterize NIBP 19 setting the LCD bias 21 service menus 19 shipping 4 speaker disassembly 30 removal 33 SpO2 cable 37 T technical support 3 troubleshooting 9 tubing 37 remova...

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