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EDAN FTS-3, Service Manual

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FTS-3 Fetal Telemetry System Service Manual

                                                     

    Principle Introduction

 

- 23 - 

 

Figure

 7- 8 

 

 

7.2.2 Working Channel Key 

All the base stations are provided with working channel keys. You can adjust the working channel 

though the two keys. 

 

Pin No. 

Symbol 

1 

US1 Signal   

2 

NC 

3 

ECG_TXD   

4 

ECG_RXD 

5 

NC   

6 

GND   

7 

NC   

8 

NC   

9 

NC 

10 

NC   

11 

US2 Signal   

12 

NC   

13 

GND   

14 

EN Signal 

15 

NC   

理邦保密文件

EDAN CONFIDENTIAL

Summary of Contents for FTS-3

Page 1: ...FTS 3维修手册_英文 文件编号 01 54 456401 版本 1 3 产品型号 FTS 3 项目编码 2213A000 签批信息 作者 欧阳 飞燕 ouyangfeiyan 2016 10 31 10 22 16 审核人 刘 小倩 liuxiaoqian 2016 11 01 16 30 18 审核人 罗 崇 luochong 2016 11 02 13 16 33 批准人 王 力维 wangliwei 2016 11 08 15 49 36 批准人 冀 伟 jiwei 2016 11 04 09 34 50 版权 深圳市理邦精密仪器股份有限公司 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 2: ...理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 3: ...l understand that nothing in this manual grants him expressly or implicitly any right or license to use any of the intellectual properties of EDAN EDAN holds the rights to modify update and ultimately explain this manual Responsibility of the Manufacturer EDAN only considers itself responsible for any effect on safety reliability and performance of the equipment if Assembly operations extensions r...

Page 4: ...abel advises against actions or situations that could damage equipment produce inaccurate data or invalidate a procedure NOTE A NOTE provides useful information regarding a function or a procedure 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 5: ...uration 14 5 1 Adjusting the Working Channel 14 Chapter 6 Maintenance 15 6 1 Maintenance Inspection 15 6 2 Maintenance of the Base Station 16 6 3 Maintenance of the Transducers 16 Chapter 7 Principle Introduction 17 7 1 System Principle Block Diagram 17 7 1 1 Main Board 17 7 1 2 Indicative Light Board 19 7 1 3 Charge Interface Board 20 7 1 4 Power module 21 7 2 Interface and Key 22 7 2 1 DB15 Inte...

Page 6: ...d 34 10 5 Disassembling the Lower assembly 34 10 5 1 Replacing the Power Module 34 10 5 2 Replacing the Main Board 36 10 5 3 Replacing the Fan 37 Chapter 11 Periodic Tests 38 11 1 Safety Tests 38 11 2 Performance Tests 38 11 2 1 FHR Performance Test 38 11 2 2 TOCO Performance Test 39 11 2 3 ECG Performance Test 40 11 2 4 DECG Performance Test 41 Appendix 1 Renewal Parts 42 理 邦 保 密 文 件 E D A N C O ...

Page 7: ...roduct Change or remove original serial number label or Manufacturer symbol Improper use Service Procedure 1 Fill in the Service Claim Form SCF Fill in the SCF with detailed information including Model Name Serial Number SN and Problem Phenomena EDAN should not have any obligation to take over the case without this information The form can be downloaded at http www edan com cn or obtained from EDA...

Page 8: ...nsible for any freight insurance charge for the returned product 3 Obtain the RMA Form Before the shipment of the materials the customer must obtain an RMA form from our service department in which the RMA number description of returning parts and shipping instructions are included The RMA number should be indicated on the outside of the shipping container NOTE EDAN should not have any obligation ...

Page 9: ...System Service Manual Warranty and Service 3 do not hesitate to contact us EDAN Instruments Inc TEL 86 755 26898321 26899221 FAX 86 755 26882223 26898330 E mail support edan com cn 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 10: ...rvice procedure follow the instructions exactly as presented in this manual Failure to do so might damage FTS 3 invalidate the product warranty or lead to serious personal injury 2 2 General Information FTS 3 fetal telemetry system hereinafter called FTS 3 is designed to comply with the international safety requirements IEC EN 60601 1 for medical electrical equipment It is class I equipment The pr...

Page 11: ...more all configurations shall comply with the valid version of the system standard IEC EN 60601 1 Anybody who connects additional equipment to the signal input connector or signal output connector to configure a medical system must ensure that the system complies with the requirements of the valid version of the system standard IEC EN 60601 1 If in doubt consult our technical service department or...

Page 12: ...irproof or damaged If you have any doubt please contact the manufacturer or local agent 23 If the battery in the base station is stored alone and not used for a long time we recommend that the battery should be charged at least once every 6 months to prevent overdischarge 24 The battery in the wireless transducer should be replaced by the serviceman authorized by EDAN 25 Do not service or maintain...

Page 13: ...the battery become dirty wipe with a dry cloth before using the battery 11 The recommended charging temperature for the battery is between 0 C 40 Please do not exceed the temperature range 12 Batteries have life cycles If the time that FTS 3 using battery becomes much shorter than usual the battery life is at an end Please contact the manufacturer to replace the battery with a new one of the same ...

Page 14: ... electric Shock Degree FHR1 FHR2 TOCO BF DECG MHR form MECG CF Transducer Degree of Protection against Harmful Ingress of Water IPX8 Protected against the effects of continuous immersion in water 1 1m deep for 24 hours Degree of Safety in Presence of Flammable Gases Equipment not suitable for use in presence of flammable gases Disinfection Sterilizing Method Refer to User Manual for details EMC CI...

Page 15: ...ltaneously Equipment and devices that connect to FTS 3 should form an equipotential body to ensure effective grounding Do not switch on the base station until all cables have been properly connected and verified 3 4 Installing FTS 3 3 4 1 Installing the Base Station on a Flat Surface Place FTS 3 on a flat surface Make sure the surface does not vibrate and is free of corrosive medicine and dust Kee...

Page 16: ... screws Fix the connecting board and the wall mounting board in the inner wall mounting board with six M3 8 cross head spring washer and flat washer package M3 8 Fix the outer wall mounting board on the wall with six M3 20pan head cap screw Figure 2 2 F3 wall mounting component Base station and transducer Wall mounting board M3 6 Pan head screw M3 6 Pan head screw Screnw Connecting board Cross hea...

Page 17: ...er wall mounting board with one M3 6 pan head screw Figure 2 3 3 4 3 Installing FTS 3 on a Roll Stand Trolley FTS 3 can also be used with MT 803 1 Stick the Velcro fixing tape on the bottom of the base station Figure 2 4 Press riveting SUS304hook Wall M3 20 pan head cap screw Outer wall mounting board Opposite press riveting M3 bolt 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 18: ... power of the system must be supplied by internal power supply only NOTE 1 Make sure the system and the power outlet are placed at a place where it is easy to connect and disconnect the power cord 2 When AC mains are interrupted the device switches to internal power supply and operates normally if the battery is installed If the battery is not installed the system shuts down and resumes the previo...

Page 19: ...itor screen displays US1 or US2 5 Simulate the audio frequency signal The fetal monitor displays FHR 6 Take up the TOCO T transducer or TOCO E transducer and test the following function The TOCO T or TOCO E transducer screen displays the standard start interface The TOCO T or TOCO E transducer indicator is green The monitor screen displays TOCO 7 Touch the measuring area of the TOCO T or TOCO E tr...

Page 20: ...the settings 5 1 Adjusting the Working Channel If the fetal heart sound is with interference or it cannot be played smoothly the working channel is probably interfered Put all the transducers back in the docking slots and press the adjustment button in back of the base station The channel range is 1 14 Restart the system when it enters the charging interface NOTE The working channel number used by...

Page 21: ...12 months and each time after service The equipment should undergo periodic safety test to insure proper patient isolation from live parts This should include leakage current measurement and insulation testing The recommended testing interval is once a year or as specified in the institution s test and inspection protocol Ground Leakage Current Limit N C S F C 500µA 1000µA Enclosure Leakage Curren...

Page 22: ...the Transducers Wipe off coupling gel from the ultrasound transducer after use to prolong its life Handle the transducers with care Rough handling could damage the cover piezoelectric crystals and mechanical movement Contacting the transducers with hard or sharp objects should be avoided The transducers must be cleaned before docking in the base station after each use Make sure that there is no re...

Page 23: ...tes with the monitor through the serial port and tranmit the related messages When the transducer is taked up it communicates with the monitor wirelessly and is supplied by its battery inside The system principle block diagram goes as follows Charge Interface Board TOCO T or TOCO E US T US T Indicator Light Board Base Station Main Board Antenna Power Module Figure 7 1 FTS 3 system principle block ...

Page 24: ... Flash 128K byte Serial Port 5serial ports USB 1 standard USB HOST interface Watchdog Timer 1 6s Power Consumption 100mA 5V max Size 130mm 76 mm Main board ports to indicative light board Pin No Symbol 1 3 VCC 5 7 GND 4 12V 7 LED1_R 9 LED1_G 11 LED2_R 13 LED2_G 15 LED3_R 17 LED3_G 6 TRANS1_TX 8 TRANS1_RX 10 TRANS2_TX 12 TRANS2_RX 14 TRANS3_TX 16 TRANS3_RX 20 POWER_RXD Figure 7 2 理 邦 保 密 文 件 E D A ...

Page 25: ... working status Meanwhile the board is in charge of transforming 12V into 5 5V for charging the transducer 1 Indicative light board ports to main board Pin No Symbol 1 3 VCC 5 7 GND 4 12V 7 LED1_R 9 LED1_G 11 LED2_R 13 LED2_G 15 LED3_R 17 LED3_G 6 TRANS1_TX 8 TRANS1_RX 10 TRANS2_TX 12 TRANS2_RX 14 TRANS3_TX 16 TRANS3_RX 20 POWER_RXD Figure 7 3 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 26: ...terface Board Charge interface board is the adapter plate of transducer charging and communication and is responsible for connecting power and communication ports Pin No Symbol 1 2 DC12V 3 4 GND 5 CHARGE_LED 6 POWER_UP 7 POWER_RXD Pin No Symbol 1 2 3 4 VCC 5 6 7 8 GND 9 10 TRANS1_TX 11 12 TRANS1_RX 13 14 TRANS2_TX 15 16 TRANS2_RX 17 18 TRANS3_TX 19 20 TRANS3_RX 理 邦 保 密 文 件 E D A N C O N F I D E N ...

Page 27: ...nagement When the system is supplied by 90 264VAC power power module transfers AC mains into 12V DC and 5V DC power When the system is cut off from the 90 264VAC powe the power modules transfer the battery power inside into 12V DC and 5V DC power Pin No Symbol 1 2 3 4 VCC 5 6 7 8 GND 9 10 TRANS1_TX 11 12 TRANS1_RX 13 14 TRANS2_TX 15 16 TRANS2_RX 17 18 TRANS3_TX 19 20 TRANS3_RX 理 邦 保 密 文 件 E D A N ...

Page 28: ... Management 14 8V Battery Figure 7 7 Power Module Principle Block Diagram 7 2 Interface and Key At the back of the base station there is an interface and two keys DB15 interface Working channel key and 7 2 1 DB15 Interface All the base stations are provided with DB15 interfaces You can connect FTS 3 to F6 F9 series fetal maternal monitor via DB15 interface 理 邦 保 密 文 件 E D A N C O N F I D E N T I A...

Page 29: ...annel Key All the base stations are provided with working channel keys You can adjust the working channel though the two keys Pin No Symbol 1 US1 Signal 2 NC 3 ECG_TXD 4 ECG_RXD 5 NC 6 GND 7 NC 8 NC 9 NC 10 NC 11 US2 Signal 12 NC 13 GND 14 EN Signal 15 NC 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 30: ...e transducer Put it back in the docking slot and take it up again The wireless connection indicator is green but the fetal monitor shows no signal Loose or damaged cable to the monitor socket Tighten or repair the cable FHR or TOCO record interrupts Transducer is placed incorrectly Transducer slides The patient walks in strong tramps RF interference or out of prescriptive area Check the transducer...

Page 31: ...d 9 1 Verifying Malfunction of the Main Board To verify the main board 1 Open the base station using the procedures described in section 10 3 2 Switch on the base station Powered by AC or battery 3 Measure the voltage to earth of the pins listed below using a multimeter Item Pin Reference result 1 TP1 5V5 4 95 6 05 V 2 TP4 3V 2 7 3 3 V 3 TP5 2V5 2 25 2 75 V 4 TP9 RF_3V3 2 97 3 63 V 5 TP10 VCC 2 97...

Page 32: ...ng Malfunction of the Power module To verify the power module 1 Open the base station using the procedures described in section 10 3 2 Measure the voltage to earth of the following pin on the bottom interface board using a multimeter Item Pin Reference result 1 5th pin of J3 12 10 V Figure 9 2 Power module 3 If any one of the results exceeds the reference range the power module defection is confir...

Page 33: ...rocedures described in section 10 3 2 Measure the voltage to earth of the following pin on the bottom interface board using a multimeter Item Pin Reference result TP2 VCC 5 5 10 V TP3 12V 12 10 V Figure 9 3 Indicative light board 3 If any one of the results exceeds the reference range the power module defection is confirmed Replacement of the board is recommended 理 邦 保 密 文 件 E D A N C O N F I D E ...

Page 34: ...10 1 Tools Required Figure 10 1 10 2 Blown Fuses WARNING Switch off the base station and remove the power cord before changing the fuse Replace the fuse when it is blown The two fuses of the base station are located on the rear panel their specifications are Size Ф5mm 20mm Model T2AH250V To replace a fuse 1 Place the base station on a flat surface and remove the power cord 2 Reverse the base stati...

Page 35: ...the fuse up from the bottom of the container Figure 10 3 4 Take the fuse out and replace it with a new one that is supplied by the manufacturer or of the same specifications 10 3 Disassembling the Base Station The main unit consists of two major parts upper assembly and lower assembly 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 36: ...tion 1 Place FTS 3 upside down on a flat surface covered with cloth or another type of protecting pad 2 Remove the screws of the battery compartment using a cross head screw driver Figure 10 5 3 Remove the battery compartment and take the battery out FTS 3 upper assembly FTS 3 lower assembly 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 37: ...six screws with a cross head screw driver Figure 10 7 5 Hold and turn over the upper and lower assembly with the bottom of base station downwards 6 Carefully lift up the upper assembly and place it upside down on the right side of the lower assembly 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 38: ...ssembly 4 Main board connecting line to indicative light board 7 Disconnect the cables wires to separate the two parts NOTE The interfaces of the connecting line are fixed with the melt adhesive Please drop alchol and remove the melt adhesive with a pair of pliers And the remove the pull out the connecting line 1 2 3 4 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 39: ... connector swich with both index fingertips and remove the adhesive tape Figure 10 9 3 Disconnect the wire 4 Remove four screws securing the charging interface board To install the charging interface board Install the charging interface board in a reverse procedure Refer to the following illustration when connecting the wires Ensure it is correctly connected Figure 10 10 No Connect to 1 Indicative...

Page 40: ... the charging interface board To install the charging interface board Install the indicative light board in a reverse procedure Refer to the following illustration when connecting the wires Ensure it is correctly connected Figure 10 11 No Connect to 1 Main Borad 2 Charging Interface Board 3 Batery Module 10 5 Disassembling the Lower assembly 10 5 1 Replacing the Power Module To remove the power mo...

Page 41: ...l the wires 4 Remove four screws securing the power module To install the power module Install the power module in a reverse procedure Refer to the following illustration when connecting the wires Ensure they are correctly connected Figure 10 13 1 2 3 4 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 42: ...To remove the main board 1 Separate the upper assembly and the lower assembly 2 Remove the adhesive paper and all the connecting lines Figure 10 14 5 Remove five screws securing the power module To install the main board Install the main board in a reverse procedure Refer to the following illustration when connecting the wires Ensure they are correctly connected 理 邦 保 密 文 件 E D A N C O N F I D E N...

Page 43: ... assembly and the lower assembly 2 Unplug the fan wires connector from the power cable bundle 3 Remove the two screws securing the fan frame 4 Remove the three screws and sponge Figure 10 16 To install the fan Install the fan in a reverse procedure Ensure the wires connector is correctly connected to connector on the power cable bundle 1 理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

Page 44: ...nce test should be done once every 12 months or when you suspect the measurement is incorrect 11 2 1 FHR Performance Test This test checks the FHR performance Required Equipment Ultrasonic Doppler FHR Accuracy Tester System 1 Connect the equipment monitor and FTS 3 as shown below Figure 11 1 2 Switch on the monitor and base station and put one US T transducer on the tester 3 Set the heart rate as ...

Page 45: ...shown below Figure 11 2 3 Set the heart rate as 60 bpm 90 bpm 120 bpm 150 bpm 180 bpm and 210 bpm in turn 4 Check if the FHR value displayed on the monitor screen is accrate Error within 2 bpm is acceptable 5 Take the other US transducer and test following the above procedure if dual FHR is available for the monitor 11 2 2 TOCO Performance Test This test checks the TOCO performance 1 Switch on the...

Page 46: ... it with a good one If the second transducer fails the test as well check the monitor and FTS 3 system 11 2 3 ECG Performance Test This test checks the MHR performance of the TOCO E transducer Required equipment FLUKE PS320 simulator 1 Connect the FTS 3 base station to the monitor and switch on them 2 Take the TOCO E transducer from the base station and the transducer will switvh on Use the ECG ca...

Page 47: ...transducer Required equipment FLUKE PS320 simulator 1 Connect the FTS 3 base station to the monitor and switch on them 2 Take the TOCO E transducer from the base station and the transducer will switvh on Use the DECG cable to connect the transducer and the simulator as shown below Figure 11 5 3 Set the FHR as 60 bpm 90 bpm 120 bpm 150 bpm 180 bpm and 210 bpm in turn 4 Check if the value displayed ...

Page 48: ... 3 DECG Cable DECG WP 01 57 471609 FTS 3 MECG Cable American Standard Snap Style 01 57 471501 FTS 3 MECG Cable American Standard Grabber Style 01 57 471503 FTS 3 MECG Cable European Standard Snap Style 01 57 471502 FTS 3 MECG Cable European Standard Grabber Style 01 57 471504 Base Station Main Board 02 03 220093 Indicative Light Board 02 03 451512 Charge Interface Board 02 02 451510 Power Module 0...

Page 49: ...理 邦 保 密 文 件 E D A N C O N F I D E N T I A L ...

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