Technical Publications. TANZO Touch Maintenance Manual. Technical Document All rights reserved 2015 By Woson Medical Instrument Co.,Ltd.

Transcription

1 Woson Medical Instrument Co., Ltd Technical Publications TANZO Touch Maintenance Manual SMM-B-02 Technical Document All rights reserved 2015 By Woson Medical Instrument Co.,Ltd.

2 Catalogue Part I. Basic Introduction Electric Diagram Wiring Pipeline Diagram Temperature and Pressure Table Attentions while Adjusting Normal Cycling Status Programs and Working Condition of Sterilizer...5 Part II. Error Codes and Solutions... 7 Error Codes List E01: Heat up Slow E02: Over Pressure E03: Door Loose in Cycle E04: Low Pressure E05: Release Slow E06: Vacuum Slow E7: Atmospheric Pressure Low E08: Micro-switch Broken before Close the Door E09: Micro-switch Broken after Close the Door E10: Preheat Speed Slow E11: Over Temperature E12: Temperature Low E13: Auto-filling Abnormal E14: Inner Sensors not Match E17: Water Quality Control Fail E23: Pressure not Match Temperature E24: No Sufficient Water (not open) E25: Air Filter Dirty E27: Leakage E31: Temp. Sensor 1 Abnormal E32: Temp. Sensor 2 Abnormal E33:Temp. Sensor 3 Abnormal E34: Temp. Sensor 4 Abnormal E51: Temp. Sensor 1 Output High E52: Temp. Sensor 2 Output High E53: Temp. Sensor 3 Output High... 31

3 27. E54: Temp. Sensor 4 Output High E71: Pressure Sensor Output Low E72: Pressure Sensor Output High E99: Test Temp. not Reach Abnormal Exit Sudden Power Outages...33 Part III. Other malfunctions LCD Screen No Display Fail to Enter Cycle Fail to Open the Door Water Level Sensor Out of Order Drainage/Adding Connection Leakage Water Pump Fail to Work Bad Drying Effect Appendix 1: Initial Fine Adjustment Appendix 2: User Defined Program Appendix 3: Vacuum Test Appendix 4: Helix & B/D Test...45 Appendix 5: Pipe Rinse Appendix 6: Parts Condition...48 Appendix 7: Maintenance Information Appendix 8: Error Code...50 Appendix 9: PT1000 Indexing Table...51

4 Part I. Basic Introduction 1. Electric Diagram 回气阀 进水阀 二位三通阀 变压器 AC12V 输出 常开阀 2A 自恢复保险丝 ( 电线对接 ) 变压器 AC21V 输出 变压器 AC8V 输出 变压器 AC220V 输出 - +5V 蓝蓝黑黑 黄白黄白 棕棕黄黄蓝蓝 打印机 微动开关传感器 白白 黑黑红 风扇 红 废水箱传感器 侧液位低水位传感器 侧液位高水位传感器 黄蓝蓝黄蓝蓝 黄 黄绿 绿白 白 动加水泵 加水泵 真空泵 LCD 接口键盘打印机 加热棒 锅壁加热圈 号线 ( 黑 ) 号线 ( 红 ) 蒸汽发生器 ( 黑 ) ( 红 ) 蒸汽发生器温度传感器 外温度传感器 内温度传感器 SMM-B-02 Page 1 of 51

5 2. Wiring Wiring Classification a) The high voltage area (AC 220V): water pump wire, vacuum pump wire, power switch wire, fuse wire, steam generator wire, heating ring wire and elementary transformer wire (red). DO NOT touch the high voltage area without any secure Attention instruments when powered on. b) The low voltage area: transformer second wire (green or blue). c) Signal and low voltage wire: temperature sensor wire, control panel connecting wire, electromagnetic valve wire, printer connecting wire, door switch connecting wire and water lever sensor connecting wire. The wires which belong to the SAME category can be bundled together; Attention otherwise, it will bring or enlarge EMI. SMM-B-02 Page 2 of 51

6 3. Pipeline Diagram AF RV P1 EV4 EV1 CC TS1 SM EV2 VP EV3 WP1 DWT UWT R3 R2 R1 WP2 AF Air Filter WP1 Main Water Pump UMT The Used Water Tank WP2 Add Water Pump DWT The Distilled Water Tank SM Steam Maker EV1 Air Exhausting Valve VP Vacuum Pump EV2 Chamber Water Supply Valve RV Relief Valve EV3 Vacuum Valve R1 Distilled Water Drain Port EV4 Air Return Valve R2 Used Water Drain Port P1 Pressure Sensor R3 Water Adding Port P2 Pressure Sensor TS1 Temperature Sensor CC Condensate Collector SMM-B-02 Page 3 of 51

7 4. Temperature and Pressure Table The temperature of saturated steam (pure steam) is of certain degree under different pressure, here is the comparison table between temperature (inside chamber) and pressure. Pressure(Bar) Temperature( ) Looking into the relationship between temperature and pressure when adjusting or working normally, you will find under normal circumstances, the lower the pressure, the larger the deviation between temperature and pressure. For instance, when pressure is 0.0bar, the temperature is about 97. But when pressure rises to 2.1bar, the temperature will be 134. Small deviation (±1 ) is allowed under low-pressure. 5. Attentions while Adjusting a. Each technician who tests or inspects the machine should know the working principle very well; b. All technicians should know exactly the positions of high and low voltage parts to avoid electroshock; c. Make sure the door is closed completely before running cycles; d. When alarm appears, please record the error code, pressure and temperature before turning off the machine; 6. Normal Cycling Status a. No alarming during cycle; b. At the beginning of sterilization cycle, when pressure is 2.1bar, temperature is 134 (±1 ); when pressure is 1.1bar, temperature is 121 (±1 ); c. During the sterilization cycle, the range of pressure and temperature is 2.0~2.2bar, SMM-B-02 Page 4 of 51

8 133~135, or 1.0~1.2bar, 120~123 ; d. The temperature in the chamber is 120~123, or 133~136 ; e. The program could be finished completely without any pipeline leakage and can be restarted. 7. Programs and Working Condition of Sterilizer The engineer must know clearly the working process and status display of each cycle. 1) Sterilization Process: (bar) Pressure 0 Start End Time Pre-heating 2-3 Pre-vacuum 3-4 Sterilizing 4-5 Air-discharging 5-6 Drying 6-7 End of air returning 1-7 Entire cycle Run a pre-vacuum program: Run three pre-vacuum procedures: SMM-B-02 Page 5 of 51

9 2) Sterilization Process Interface Introduction: 1 No. Description 1 Sterilization procedure 2 Sterilization temperature 3 Sterilization time 4 Vacuum number 5 Drying time 6 Sterilization curve 7 Sterilization time and status 8 The total time of the program run 9 Sterilization real-time temperature 10 Sterilization real-time pressure 11 Tank logo 12 Waste water tank logo 13 Water quality Monitoring logo 14 Door status logo 15 Printer logo 16 USB logo 17 Standby time holding logo 18 No. sterilization times 19 Sterilization that day the real time 20 Operating instructions SMM-B-02 Page 6 of 51

10 Part II. Error Codes and Solutions The sterilizer will show error information when it breaks down. SMM-B-02 Page 7 of 51

11 Error Codes List No. Alarm Code Error Information 1 E01 Heat up Slow 2 E02 Over Pressure 3 E03 Door Loose in Cycle 4 E04 Low Pressure 5 E05 Release Slow 6 E06 Vacuum Slow 7 E07 Atmospheric Pressure Low 8 E08 Micro-switch Broken before Close the Door 9 E09 Micro-switch Broken after Close the Door 10 E10 Preheat Speed Slow 11 E11 Over Temperature 12 E12 Temperature Low 13 E13 Auto-filling Abnormal 14 E14 Inner Sensors not Match 15 E17 Water Quality Control Fail 16 E23 Pressure not Match Temperature 17 E24 No Sufficient Water 18 E25 Air Filter Dirty 19 E27 Leakage 20 E31 Temp. Senor 1 Abnormal 21 E32 Temp. Sensor 2 Abnormal 22 E33 Temp. Sensor 3 Abnormal 23 E34 Temp. Sensor 4 Abnormal 24 E51 Temp. Sensor 1 Output High 25 E52 Temp. Sensor 2 Output High 26 E53 Temp. Sensor 3 Output High 27 E54 Temp. Sensor 4 Output High 28 E71 Pressure Sensor Output Low 29 E72 Pressure Sensor Output High 30 E99 Test temp. not Reach 134 SMM-B-02 Page 8 of 51

12 1. E01: Heat up Slow Problem Description: The pressure cannot reach the set value after 30mins of heating and pressure program. Problem Reason: 1. Water vapor appears from the cover fitted or a sound of hissing during heating and pressure program, it means door gasket leaked: because too much steam during cycles, result in leakage due to the door gasket is ejected, out of sharp, weakened sealing effect; 2. Weaken sealing effect of the safety valve bolt due to shaking or other possible reasons; 3. Weaken heating effect of the heating ring due to the port connected the heating ring and PCB is loose, short circuit or broken; 4. Vacuum pump fails to work (no sound) during vacuum condition, result in pressure cannot match with temperature when heating stage, and then enter adjustment condition more than 10mins: 1. The wire of vacuum pump is loose, or broken; 2. The capacity of vacuum pump is broken; 3. The vacuum valve(black line) is blocked or fails to open; 5. The water supply valve is blocked or broken, fails to supply water for steam generator; 6. The water pump is broken, fails to supply enough water for steam generator; 7. The air return valve is broken or leaked result in pipeline leakage during pressure stage; 8. The normal-open valve is leaked or broken result in pipeline leakage during pressure stage; 9. The vacuum valve is leaked or broken result in pipeline leakage during pressure stage; 10. The temperature of steam generator less than 160degree due to the heating stick of steam generator is broken, result in the water pump fails to supply water. 11. The steam generator is blocked or weakened heating effect, and fails to supply enough steam for chamber, due to using non-designated water or non-scheduled cleaning program. Solution: 1. Check if the door gasket is normal, or change it according to the steps as below. Door Gasket SMM-B-02 Page 9 of 51

13 Tool: a plain screw driver without sharp head is needed. Sterilizer Maintenance Manual-TANZO Touch series 1. Hold verge of the gasket by one hand softly, and insert the screwdriver into the gap between gasket and door, take out the seal slowly. 2. Pull out the whole seal slowly once took one part of the gasket out. Then check and clean the gasket and the groove of the gasket, replace the gasket if any damage. 3. Equablyinsert4 spots into groove firstly when fix the clean gasket, and then insert other parts. After that, press the gasket equably by hand. 4. Check the door gasket carefully, and insert the possible ectropion of the gasket into groove by screwdriver carefully. 2. Check if the relief valve is leaked during pressure stage. If yes, tighten the switch on the valve, or change the valve. Relief valve is in the bottom of the back. To screw the switch counter means open, and screw clockwise means close. 3. Forced quit the cycle if the sterilizer fails to enter vacuuming state after 15mins. Then wear the gloves to touch the surface of inside chamber. If no heat or less heat, check if the lines which connect heating ring and PCB are normal. Or change the heating ring. Connecting Port (Heating ring-pcb) Connecting Line (Heating ring-heating protector) SMM-B-02 Page 10of 51

14 4. 1) Check if the connecting lines from vacuum pump are connected well. Or replace the capacitor, even the vacuum pump. Connecting Line Capacitor 2) Check if the core of 3-way valve (Black line)is blocked, and then clean it. Or replace the valve. 3-way Valve 3-way Valve(Black line) Exploded View(3-way Valve) 5. Abnormal sound of Quack, Quack, due to the water pump works without water during heating and pressure stage, clean the water supply valve or replace it. Water Supply Valve(yellow line) in the left side of sterilizer SMM-B-02 Page 11 of 51

15 6. Check by multimeter if the water pump is normal. Or replace it. Sterilizer Maintenance Manual-TANZO Touch series Water Pump(Green line) in the left side of sterilizer 7. Check and clean the core of air return valve. Or replace the valve. Exploded View (Air Return Valve) 8. Check and clean the core of normal-open valve. Or replace the valve. Normal-open Valve (Blue line) Normal-open Valve Exploded View (Normal-open Valve) 9. Check if the core of 3-way valve (Black line) is blocked, and then clean it. Or replace the valve. 10. Use multimeter to check if the heating stick of steam generator is normal. Or replace it. SMM-B-02 Page 12of 51

16 11. Water leaked from the bottom of sterilizer during heating stage, the silicone tube between water pump and steam generator is broken due to steam generator blocked, replace the steam generator. 2. E02: Over Pressure Problem Description: The pressure in the chamber is larger than the set value during heating or sterilization stage. Problem Reason: 1. The temperature sensor(t2) covered; 2. Inconsistent voltage; 3. Fail to release due to the normal-open valve blocked; 4. The pressure sensor is broken. Solution: 1. Check if T2 is covered by wrap; 2. Check if the local voltage is normal; 3. Open the normal-open valve, check and clean it. Or replace the valve; 4. Replace the PCB. 3. E03: Door Loose in Cycle Problem Description: Ensure the door and door handle are closed completely before cycling. Problem Reasons: 1. Not close the door completely due to not tighten the door handle or large pressure in the chamber; 2. Forced open the door during cycle; 3. The micro switch is loosed; 4. The connecting line which connects micro switch and PCB is loosed. SMM-B-02 Page 13of 51

17 Solution: Sterilizer Maintenance Manual-TANZO Touch series 1. Ensure the door and door handle are closed completely before cycling; Door Handle 2. Do not open the door during cycle; 3. Check if the micro switch is loosed. Or tighten it; Micro Switch 4. Check if the connecting line (White line) of micro switch is loosed; 4. E04: Low Pressure Micro Switch line Problem Description: The pressure in the chamber is less than the set value during heating or sterilization stage. Problem Reasons: 1. Too many articles to disinfect; 2. Inconsistent voltage, less than 190V; 3. Fail to release due to the normal-open valve blocked; 4. The pressure sensor is broken. SMM-B-02 Page 14of 51

18 Solution: 1. Reduce the articles; 2. Check if the local voltage is normal; 3. Open the normal-open valve, check and clean it according to E02. Or replace the valve. 5. E05: Release Slow Problem Description: Not reach 20Kpa in 20mins of vacuum stage (30mins for first vacuum stage), and then end all cycles, not reach 20Kpa in 25mins. Problem Reasons: 1. The chamber filter is blocked; 2. The air release valve is blocked, or broken; 3. The connecting ports which connect air release valve and PCB is loosed; 4. No electrical reaction on the connecting ports; of 3-way valve is blocked; 6. Condenser is blocked. Solution: 1. Clean or replace the chamber filer; Air Filter in the Chamber Exploded View 2. Check and clean the core of normal-open valve. Or replace the valve; 3. Keep connection status of air release valve and PCB; 4. Use multimeter to check if there is electrical reaction on the connecting ports (air release valve and PCB). Or replace PCB; 5. Check if the core of 3-way valve (Black line) is blocked, and then clean it. Or replace it; 6. Check if the Condenser is blocked, replace it if fail to sweep. Condenser SMM-B-02 Page 15of 51

19 6. E06: Vacuum Slow Problem Description: Not reach -0.4bar in 5mins of vacuum stage, not reach -0.6bar in leakage test. Problem Reasons: 1. The vacuum pump is broken; 2. Continual steam due to too many wet articles; 3. The normal-open valve blocked; of 3-way valve is blocked. Solution: 1. Replace the vacuum pump; 2. Turn off and cool down the sterilizer, reduce the articles; 3. Check and clean the core of normal-open valve. Or replace the valve; 4. Check if the core of 3-way valve (Black line) is blocked, and then clean it. Or replace the valve. 7. E7: Atmospheric Pressure Low Problem Description: the atmospheric pressure is less than 0.7bar. Problem Reasons: high altitude. Solution: 1) Enter the adjustment interface: press MENU to enter SYSTEM SET, and then choose User Message ; SMM-B-02 Page 16of 51

20 2) Then input the password 8257 to adjust the altitude. 3) Re-start the machine to check the altitude value. 8. E08: Micro-switch Broken before Close the Door Problem Description: the detection for micro switch is illogical. Problem Reason: the micro-switch is broken. Solution: enter the setting interface, input 1111 to enter initial adjustment, choose manual and save, and then restart the sterilizer. SMM-B-02 Page 17of 51

21 9. E09: Micro-switch Broken after Close the Door Problem Description: the running of motor is wrong. Problem Reason: 1. The micro-swift broken; 2. The motor, pressure switch or over current protector is broken. Solution: enter the setting interface, input 1111 to enter initial adjustment, choose manual and save, and then restart the sterilizer. 10. E10: Preheat Speed Slow Problem Description: the temperature of chamber is less than 100 degree and the temperature of steam generator is less than 110 degree after 20mins of preheat program. Problem Reason: 1. The heating ring of the chamber no heat or less heat due to the connecting ports is loosed, short circuit or broken; 2. The heating stick of steam generator is broken, result in heat is not enough. SMM-B-02 Page 18of 51

22 Solution: 1. Forced quit the cycle after shows E10, and then wear the gloves to touch the surface of inside chamber. If no heat or less heat, check if the lines which connect heating ring and PCB are normal. Or, change the heating ring; 2. Use multimeter to check if the heating stick of steam generator is normal. Or replace it. Heating Stick 11. E11: Over Temperature Problem Description: The temperature is more 2 degree than the theoretical value, or more than the max set value during heating or sterilization process. Problem Reason: 1. Inconsistent voltage, more than 220V; 2. Too many articles to disinfect; 3. The temperature sensor in the chamber (T2) is broken. Solution: 1. Check if the local voltage is normal; 2. Reduce the articles; 3. Use multimeter to check if the sensor (T2) is normal according to the PT1000, if abnormal, change the sensor. Temperature sensor in the chamber (T2) SMM-B-02 Page 19of 51

23 12. E12: Temperature Low Problem Description: The temperature is less 2 degree than the theoretical value, or more than the min set value during heating or sterilization process. Problem Reason: 1. Inconsistent voltage; 2. Too many articles to disinfect; 3. The temperature sensor in the chamber (T2) is broken. Solution: 1. Check if the local voltage is normal; 2. Reduce the articles; 3. Use multimeter to check if the sensor (T2) is normal according to the PT1000, if abnormal, change the sensor. 13. E13: Auto-filling Abnormal Problem Description: 1. The low water level sensor does not float after auto-adding water more than 3mins; 2. The high water level sensor does not float after auto-adding water more than 4.5mins. Problem Reason: 1. The low water level sensor broken; 2. The high water level sensor broken; 3. The ports of water level sensor on PCB is loosed; 4. The low water level sensor cannot float due to external force; 5. Less water. Solution: 1. Check if the water level sensor is normal. It is normal to hear a sound of dip, dip when toggle the high water level sensor. Or change it; High Water Level Sensor Low Water Level Sensor SMM-B-02 Page 20of 51

24 2. Check if the ports of the water level sensor on PCB is connected well; Low Water Level Sensor High Water Level Sensor 3. Check if external force, such as the high water level sensor may interfere the floated low water level sensor; 4. Check if the water is enough. 14. E14: Inner Sensors not Match Problem Description: it only fits for these machines which are with two temp. sensors. When enter the phase of constant temp. & pressure, the value difference between T1(real value) and T2(test value) is more than 2. Problem Reason: 1. Initial setup does not adjust well; 2. The inner sensor is broken; 3. Not saturated steam in chamber, with obvious temperature difference. T1 inner sensor(real temperature) T2 inner sensor(test temperature) SMM-B-02 Page 21of 51

25 T1 inner sensor position T2 inner sensor position Solution: 1. Initial Fine Adjustment 1) Enter the adjustment interface: press MENU to enter SYSTEM SET, and then choose User Message ; 2) Then input the password 1111 to factory set. Check the Inn temp. item to adjust the inner temperature you need, then store it; SMM-B-02 Page 22of 51

26 3) Return to the standby interface to check if the problem has been solved. 2. Use multimeter to check if every sensor is normal. Or replace the sensor. 3. Obvious temperature difference in chamber, it is wrong with the PCB program, replace it. 15. E17: Water Quality Control Fail Problem Description: conductivity is more than 60us/cm. Water Quality Sensor; Two Electrical Conductivity Bars Problem Reason: use unclear water. Solution: use distilled water only. 1) Enter the adjustment interface: press MENU to enter SYSTEM SET, and then choose User Message ; 2) Then input the password 1111 to factory set. Check the Water Check item to adjust the value you need, then store it; SMM-B-02 Page 23of 51

27 16. E23: Pressure not Match Temperature Problem Reason: 1. Too much steam during cycles, result in the door gasket leakage due to the door gasket is ejected, out of sharp, weakened sealing effect; 2. The water pump is broken, fails to supply enough water for steam generator; 3. The steam generator is blocked or weakened heating effect, fail to supply enough steam for the chamber, result in the pressure and temperature on the display panel do not rise or rise unobviously, due to using non-designated water or non-scheduled cleaning program; Constantly add water to steam generator; 4. The steam generator protector is broken or adjusted improperly, result in low temperature of the steam generator; 5. Less heat from the heating ring, results in less steam in the chamber and water pump do not work; 6. The solenoid valve or pipeline is blocked; 7. The air release valve cannot close after releasing. Solution: 1. Reset or replace the door gasket according to E01; 2. Check if the water pump is broken or shortage. Or replace it; 3. Check and clean the steam generator. Or replace it; 4. Check if the adjusted lever of the protector is loosed. Tight the screw if loosed, or replace the protector; SMM-B-02 Page 24of 51

28 Steam Generator Protector Tight the screw 5. Use multimeter to check if the heating ring of the steam generator is normal. If the value is abnormal, replace the heating ring; 6. Check and clean the core of the solenoid valve, or replace the valve; check if the pipeline is leaked, or replace the pipe. 17. E24: No Sufficient Water (not open) 18. E25: Air Filter Dirty Problem Description: The chamber pressure cannot back to normal after finishing sterilization. Problem Reason: 1. Older machines: the air return valve or the air filter is blocked; 2. New machines: 1) Initial setup does not reach ZERO state in standby condition; 2) User s altitude differs from factory setting. Solution: 1. Check and clean the air filter; Air Filter 2. Check and clean the core of the air return valve. Or replace the valve; 3. Setting standby pressure to ZERO state: SMM-B-02 Page 25of 51

29 4) Keep the door open, and then turn on the power, check the pressure; Note If the pressure is Negative, then go to SYSTEM SET and adjust it to 0KPA. 5) Enter the adjustment interface: press MENU to enter SYSTEM SET, and then choose User Message ; 6) Then input the password 1111 to factory set. Check the pressure item, 10 times than the shown figure (e.g.: set it +10KPA if shows -1.0KPA), then store it; 7) Return to the standby interface to check if the pressure value is 0KPA or positive SMM-B-02 Page 26of 51

30 value. 19. E27: Leakage Problem Description: Leakage is more than 0.13bar during vacuum test. Problem Reason: 1. The vacuum pump is broken; 2. Too many articles; 3. The normal-open valve is blocked; of 3-way valve is blocked; 5. The pipelines or connecting ports are leaked. Solution: 1. Check and replace the vacuum pump; 2. Reduce the articles; 3. Check and clean the core of the normal-open valve. Or replace the valve; 4. Check and clean the core of the 3-way valve. Or replace the valve; 5. Check the pipelines and connecting ports. 20. E31: Temp. Sensor 1 Abnormal Problem Description: The inner temperature sensor (T2) cannot sense or bad sense the temperature. Problem Reason: 1. Unstable voltage; 2. The connecting port of the sensor on the PCB is loosed; 3. The sensor is short circuit, or broken. Solution: 1. Use multimeter to check if the local voltage is normal. Restart the machine if stable voltage; change the power supply or connect voltage regulator if unstable voltage; 2. Check if the port of the sensor on the PCB is connected well; SMM-B-02 Page 27of 51

31 Temperature Sensor (2#) 3. Use multimeter to check if the sensor is normal. If the value is abnormal, replace the sensor. Inner Temperature Sensor 21. E32: Temp. Sensor 2 Abnormal Problem Description: The outer temperature sensor (T3) cannot sense or bad sense the temperature. Problem Reason: 1. Unstable voltage; 2. The connecting port of the sensor on the PCB is loosed; 3. The sensor is short circuit, or broken. Solution: 1. Use multimeter to check if the local voltage is normal. Restart the machine if stable voltage; change the power supply or connect voltage regulator if unstable voltage; 2. Check if the port of the sensor on the chamber heating ring is connected well; Temperature Sensor (3#) SMM-B-02 Page 28of 51

32 3. Use multimeter to check if the sensor is normal. If the value is abnormal, replace the sensor. 22. E33:Temp. Sensor 3 Abnormal Problem Description: The steam generator temperature sensor (T1) cannot sense or bad sense the temperature. Steam Generator Problem Reason: 1. Unstable voltage; 2. The connecting port of the sensor on the steam generator is loosed; 3. The sensor is short circuit, or broken. Solution: 1. Use multimeter to check if the local voltage is normal. Restart the machine if stable voltage; change the power supply or connect voltage regulator if unstable voltage; 2. Check if the port of the sensor on the steam generator chamber is connected well; Temperature Sensor (1#) 3. Check if the sensor is tight, coat thermal grease for the sensor if loosed. Then use multimeter to check if the sensor is normal. If the value is abnormal, replace the sensor. SMM-B-02 Page 29of 51

33 23. E34: Temp. Sensor 4 Abnormal Problem Description: The inner test temperature sensor (T4) cannot sense or bad sense the temperature. Temperature Sensor (4# test sensor) Problem Reason: 1. Unstable voltage; 2. Too many articles; 3. The connecting port of the sensor on the PCB is loosed; 4. The sensor is short circuit, or broken. Solution: 1. Use multimeter to check if the local voltage is normal. Restart the machine if stable voltage; change the power supply or connect voltage regulator if unstable voltage; 2. Reduce the article; 3. Check if the port of the sensor on the PCB is connected well; 4. Use multimeter to check if the sensor is normal. If the value is abnormal, replace the sensor. 24. E51: Temp. Sensor 1 Output High Problem Description: The temperature in the chamber is higher than 140degree. Problem Reason: 1. Inconsistent voltage; 2. Too many articles to disinfect; 3. The inner temperature sensor is broken; 4. The PCB is broken. SMM-B-02 Page 30of 51

34 Solution: 1. Use multimeter to check if the local voltage is normal; 2. Reduce the articles; 3. Check the sensor according to E31; 4. Replace the PCB. Sterilizer Maintenance Manual-TANZO Touch series 25. E52: Temp. Sensor 2 Output High Problem Description: The temperature of the chamber is higher than 140degree. Problem Reason: 1. Inconsistent voltage; 2. Too many articles to disinfect; 3. The outer temperature sensor is broken; 4. The PCB is broken. Solution: 1. Use multimeter to check if the local voltage is normal; 2. Reduce the articles; 3. Check the sensor according to E32; 4. Check if the chamber protector is normal; 5. Replace the PCB. Chamber Protector 26. E53: Temp. Sensor 3 Output High Problem Description: The temperature of steam generator is higher than 200degree. Problem Reason: SMM-B-02 Page 31of 51

35 1. Inconsistent voltage; 2. Too many articles to disinfect; 3. The steam generator sensor is broken; 4. The steam generator protector is broken; 5. The PCB is broken. Solution: 1. Use multimeter to check if the local voltage is normal; 2. Reduce the articles; 3. Check the sensor according to E23; 4. Check the adjusted lever of the steam generator protector is loosed. Tight the screw if loosed, or replace the protector; 5. Replace the PCB. 27. E54: Temp. Sensor 4 Output High Problem Description: The temperature in the chamber is higher than 145degree. Problem Reason: 1. The inner temperature sensor is broken; 2. The PCB is broken. Solution: 1. Check the sensor according to E31; 2. Replace the PCB. 28. E71: Pressure Sensor Output Low Problem Description: No output, or low output. Problem Reason: The sensor is broken. Solution: Replace the sensor. Pressure Sensor SMM-B-02 Page 32of 51

36 29. E72: Pressure Sensor Output High Problem Description: Keep outputting or over output. Problem Reason: The sensor is broken. Solution: Replace the sensor. 30. E99: Test Temp. not Reach 134 Problem Description: the temp. of T2 and T4 (inner sensor) are not reach 134. Problem Reason: 1. The sensor is broken; 2. The PCB is broken. Solution: 1. Check the sensor according to E31; 2. Replace the PCB. 31. Abnormal Exit When abnormal exit, press button for 3secs to force quit, the interface shows as below, press or to choose the program, then press to confirm. Attention Do not open the door if the pressure in the chamber is not 0 BAR. 32. Sudden Power Outages The interface shows as below after the power comes back from sudden power cut, when the SMM-B-02 Page 33of 51

37 pressure in the chamber falls to 0bar, then opens the door and restarts the machine. Attention Do not open the door if the pressure in the chamber is not 0 BAR. SMM-B-02 Page 34of 51

38 Part III. Other malfunctions Sterilizer Maintenance Manual-TANZO Touch series 1. LCD Screen No Display Problem Description: The screen cannot display when turn on the power switch (the light of the buttons is illuminated). Problem Reasons: 1. The fuse is burned; 2. The connecting line between LCD screen and PCB is loosed; 3. LCD screen PCB is broken; 4. The power supplier is unstable; 5. Transformer is burned. Solution: 1. Check if the power switch is light after turn on the power. And then check if the fuse left the power switch is burned, or replace the fuse; 2. Check if the connecting line is fixed well; 26P Line 3. A sound of dip, dip when open/close the door, and then no display on LCD screen, replace the LCD screen PCB; 4. Messy code or Discontinuous flicker, it means power supply is unstable, to change the power supply or connect voltage regulator if unstable voltage; 5. Power switch lighting, power indicator on the main PCB extinguished, means no power input, to replace the transformer. SMM-B-02 Page 35 of 51

39 2. Fail to Enter Cycle Problem Description: Press START button, the program cannot be started. Problem Reasons: 1. LCD displays: Used water tank is full; 2. LCD displays: Distilled water tank is empty; 3. The illuminated means the door do not closed completely; or the micro switch is broken; SMM-B-02 Page 36of 51

40 4. Connection problem: the buttons are out of order without any sound; 5. The PCB is broken. Solution: 1. Drain water from used water tank; Note: Drained water temperature should be lower than 70C. If higher than that, please check if Fan is in good condition. 2. Fill distilled water automatically or manually; Automatically: Plug the water pipe with adding connection, and then keep long press the button; Manually: add the water till hear a sound of di, di, and then press the button enter MENU. to Note: If water short alarms during sterilization cycle, don t worry, water inside is enough to complete full cycle. But fill sufficient water before next cycle. 3. Check if door handle is locked properly. And check the door micro-switch by pressing down. Check if the micro-switch is normal if door locking icon doesn t stop flashing, or replace it; 4. Check if the connecting line between the screen and main PCB is fixed well; 5. Replace Master PCB. SMM-B-02 Page 37of 51

41 3. Fail to Open the Door Problem Reasons: 1. Negative pressure in the chamber due to air cannot return completely after sterilization; 2. If leave the door closed after sterilization, it is a sealed space in the chamber. When the hot chamber air colds down, it creates negative pressure, result in the door locked. Caution Do not close the door when finish the sterilization cycle. Solution: 1. Turn on power switch, the air return valve will open, and then try to open the door; 2. Find relief valve at rear cover, open it counter-clockwise to make the air return to the chamber. Caution If the door cannot open frequently, clean or replace the air return valve. 4. Water Level Sensor Out of Order Problem Description: 1. When the clean water tank is empty and after filling water, Icon sparkles; 2. When the used water tank is full and after draining water, Icon sparkles. Problem Reason: 1. The high or low water level sensor out of order (Clean water tank); 2. Water level sensor out of order (Used water tank). Solution: 1. Check if the water level sensor is normal. It is normal to hear a sound of dip, dip when toggle the high/low water level sensor. Or change it; SMM-B-02 Page 38of 51

42 2. Make sure that all sensor cables are well connected with Master PCB; 3. Lift the float of the water level sensor in the used tank up to the top, you will see the no WASTER WATER OVER alarm on the screen. Or replace the single water level sensor. Float of Single Water Level Sensor 5. Drainage/Adding Connection Leakage Problem Reason: 1. Drainage or adding connection is blocked; 2. The valve core seal of connection is broken. Solutions: 1. Check and clean the connections. Or replace it; Used water out Distilled water in Distilled water out 2. Check if the corn seal is normal. Or replace it. Drainage Connection Valve Core SMM-B-02 Page 39of 51

43 6. Water Pump Fail to Work Problem Description: The water pump does not work after press the automatic filling button. Problem Reason: 1. The water pump falls off from the yellow connecting line; 2. The water pump connecting line falls off from the main PCB; 3. No voltage of output terminal on the PCB; 4. The water pump is broken. Solutions: 1. Ensure the water pump is connected well with yellow wire; 2. Check if the connecting line between the water pump and PCB is connected well; Water Pump Connecting Ports for Water Pump 3. After pressing the automatic filling button, use multimeter to check if the output terminal is normal. Or fix this port or replace the main PCB; 4. Replace the water pump. 7. Bad Drying Effect Problem Description: Small amount of water left inside the chamber after sterilization. Problem Reasons: 1. The inner filter is blocked or not close to the bottom of chamber; 2. Placed improperly, such as when the front of sterilizer is lower than the rear, much water will stay in the front. Solutions: 1. Clean or replace the chamber filer; SMM-B-02 Page 40of 51

44 Air Filter in the Chamber Exploded View Attention Clean the filter timely is the guarantee to perform drying well. 2. Adjust the cushion to keep the machine in the level. SMM-B-02 Page 41of 51

45 Appendix 1: Initial Fine Adjustment The parameters of autoclaves are set before leaving factory and no need to be adjusted under normal circumstances. But due to different terrain and altitude which cause difference of atmospheric pressure, temperature and pressure cannot reach sterilization state(differ about 1-3 ), and keep automatically adjusting to not enter into sterilization state. Do the initial temperature and pressure fine adjustment program to change this condition. 1. Enter the adjustment interface: press MENU to enter SYSTEM SET, and then choose User Message ; 2. Then input the password 1111 to factory set. Check the pressure item, 10 times than the shown figure (e.g.: set it +10KPA if shows -1.0KPA), then store it; 3. Return to the standby interface to check if the problem has been solved. SMM-B-02 Page 42of 51

46 Appendix 2: User Defined Program Under the sterilization programs to enter the custom program, and then select desired figures and save. Sterilization Temperature: 105C; 121C; 134C Sterilization Time: C Range: 30-90min; C Range: 20-60min; C Range: 04-40min. Drying Time: 0-40min Vacuum Times: 0/1/2/3 times SMM-B-02 Page 43 of 51

47 Appendix 3: Vacuum Test Sterilizer Maintenance Manual-TANZO Touch series The pressure could reach -0.8bar.It could eliminate the cool air out of the chamber, and discharge out the water leave in the pipeline. The main purposes are testing vacuuming efficiency and pipeline seal ability. NOTE: Test it only when the machine is cold down. Under maintenance interface to select vacuum test, press button to start the test. Whole test time is 20mins, in which 05mins of vacuuming; 05mins of stability; 10mins of keeping. NOTE: P3 should not larger then P2 by 0.13Bar, refer to E27. SMM-B-02 Page 44 of 51

48 Appendix 4: Helix & B/D Test Helix Test The main purpose is to identify if autoclave is in accordance with B Class sterilization standard. 1. Test Tools: GKE-Steri-Record and Helix pipe Helix Test Paper 2. Put the unused helix paper into the helix tube, lock it and ensure sealed well. Insert the test paper to the test pipe head. Set back the pipe head 3. Put the helix tube into the chamber, and start the Helix Test 134C, 3.5mins sterilization, 3times vacuum, 8mins drying. If the color changes to black, it means pass. Before After SMM-B-02 Page 45 of 51

49 B&D Test B&D test is to show the effect of pre-vacuum and exhausting air of Class B autoclave. It is only for test if there is cold air in the chamber during cycle, not for the sterilization results. Put test bag in the chamber, and start the test 134C, 3.5mins sterilization, 3times vacuum, 8mins drying. If the color changes to black, it means pass. B&D Test Bag Test Paper between Test Bags Test Paper Before After SMM-B-02 Page 46of 51

50 Appendix 5: Pipe Rinse Under the maintenance interface to select pipe rinse, and then start it. 1. Clean impurity left in the autoclave chamber after rinsing; 2. Repeat pipe rinse if long term using or necessary. Note: 1. Advised to rinse pipes per 6 month; 2. Make sure the inner chamber filter is well mounted, and clean it after rinsing pipes. SMM-B-02 Page 47 of 51

51 Appendix 6: Parts Condition 1. Under Test & Maintenance interface, select Parts Condition; 2. Choose the parts need to diagnose, confirm it and select Start to test this part. SMM-B-02 Page 48 of 51

52 Appendix 7: Maintenance Information 1. Under Test & Maintenance interface, select Maintenance Information; 2. Choose the parts need to clean, confirm it and select Start to test this part. SMM-B-02 Page 49 of 51

53 Appendix 8: Error Code Sterilizer Maintenance Manual-TANZO Touch series 1. Under Test & Maintenance interface, select Error Code; 2. Choose Code No. and refer to solutions listed. SMM-B-02 Page 50of 51

54 Appendix 9: PT1000 Indexing Table Corresponding Table of Temperature and Value of Resistance Temp Value of Resistance(Ω) SMM-B-02 Page 51 of 51