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Troubleshooting
Related Manuals for haTmed Q50B
Summary of Contents for haTmed Q50B
- Page 1 Small Steam Sterilizer Maintenance and Service Q50B/Q70B 2460 ...
- Page 2 The sterilizer is sterilized by the principle of generating high temperature and high pressure by burning steam.The current sterilizer models are available Q50B、 Q70B、 Q71B、 Q52B、 Q72B、 Q62B、 Q82B、 Q92B、 A10B、 A50B etc, For specific machine models and instructions, please refer to the sterilizer instruction manual. Our ...
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Page 3: Table Of Contents
HaeTmed(Wuxi)Co.,Ltd China Table of Contents Chapter 1 Spare parts and wiring .................... Ⅱ 1.1 Spare parts ........................ Ⅳ 1.2 Wiring .......................... Ⅴ Chapter 2 Vacuum failure ........................ 1 2.1 Air leak.......................... 6 2.2 Vacuuming takes a long time .................... 7 2.2.1 Solenoid valve blockage ................... 7 2.2.2 Poor vacuum pump performance ................ 8 2.3 Waste water outlet blocked .................... 9 Chapter 3 Sensor failure ........................ 9 3.1 Temperature sensor failure .................... ... - Page 4 HaeTmed(Wuxi)Co.,Ltd China 8.1 The reason of malfunction .................... 2 0 8.2 Failure analysis ........................ 2 0 8.2.1 Jacket heater malfunction .................. 1 5 8.2.2 Chamber temperature sensor failure(chamber outer wall PT100) ...... 1 5 8.3 Troubleshooting steps ....................... 1 5 Chapter 9 Vacuum pump failure and steam generator failure ............ 1 6 9.1 Vacuum pump failure ...................... 1 6 9.1.1 The reason of malfunction .................. 2 1 9.1.2 Failure analysis ....................... 1 6 9.1.3 Troubleshooting steps .................... 2 1 9.2 Steam generator failure .................... ...
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Page 5: Chapter 1 Spare Parts And Wiring
HaeTmed(Wuxi)Co.,Ltd China Chapter 1 Spare Parts and Wiring 1.1 Spare parts Transformer Main board Display Operation button Filter Electromagnet Vacuum pump Door switch handle Power supply switch ... - Page 6 HaeTmed(Wuxi)Co.,Ltd China Printer interface Chamber Fuse Temperature sensor Pressure sensor Safety valve Condenser Steam Generator Filter interface Distilled water interface Wastewater interface ...
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Page 7: Wiring
Chamber temperature HaeTmed(Wuxi)Co.,Ltd China switch Heating circle Vacuum pump Air filter protector solenoid valve Drain solenoid Water Pump Vacuum pump Vacuum pump valve three‐way valve solenoid valve Exhaust solenoid valve Wiring ... -
Page 8: Chapter 2 Vacuum Failure
HaeTmed(Wuxi)Co.,Ltd China Pressure sensor Preheating temperature sensor Printer (op Chamber temperature sensor LCD screen USB and ser Chapter 2 Vacuum Failure Error code［11］Vacuum Timeout Failure cause： The following conditions are triggered after the sterilization process (134 program) is started during the sterilization process：①After the first vacuum is started, the predetermined vacuum is not reached within 15 minutes.②After the second vacuum is started, the predetermined vacuum is not reached within 15 minutes.③After ... -
Page 9: Vacuuming Takes A Long Time
HaeTmed(Wuxi)Co.,Ltd China 2.1.1 The door seal has positive and negative edges to check whether the seal is installed reversely. The figure below shows the correct installation that is the long side of the seal is exposed. 2.1.2 Run the 134 program to check whether there is air leakage at the pipe and joint at the end of the cylinder. Focus on whether the connection between the PT100 and the cylinder is leaking, as shown in the rectangular box above. 2.1.3 Run the 134 program to check if there is leakage at the connection between the steam generator and chamber, as shown in the red rectangle above. ... -
Page 10: Poor Vacuum Pump Performance
HaeTmed(Wuxi)Co.,Ltd China If the sterilizer can run the sterilization process to the positive pressure state, we can observe whether the external drain pipe leaks in the positive pressure state of the sterilizer (please be careful at pressure between 1 and 2.1 bar). If there is leakage in the drain pipe which indicates the drain solenoid valve or the exhaust solenoid valve may leak. Please remove the drain valve to clean or replace the valve body. The three‐way of vacuum pump will be inhaled when the vacuum pump is started (as shown in the figure below) and turn off after 10 seconds.When the vacuum is being carried out, if it is impossible to turn off the circuit measuring the three‐way solenoid valve of the vacuum pump,please check if there is voltage at this time, no voltage indicates that the connection line is abnormal or the main control board is abnormal,and further troubleshooting is required. If the power supply is normal,the three‐way solenoid valves of vacuum pump is not working, you need to replace the vacuum pump solenoid valve. Drain solenoid valve Vacuum pump Exhaust solenoid valve three‐way valve 2.2.2 Poor vacuum pump performance If the above operation is still not solved which means performance of vacuum pump is degraded, the vacuum pump needs to be repaired or replaced. 2.2.3 Overload ... -
Page 11: Waste Water Outlet Blocked
HaeTmed(Wuxi)Co.,Ltd China An excessive sterilizing load can cause a vacuum failure,in terms of the specific load of the specific sterilization program please refer to the instruction manual of this machine 2.3 Waste water outlet is blocked Please check if the drain pipe of the sterilizer is bent, which will cause the drainage to be blocked Chapter 3 Sensor Failure Error Code：25#Temperature Upper Limit,27#Temperature Lower Limit 3.1 Temperature sensor failure The temperature inside the chamber detected by the temperature sensor is not within the required range.（‐10℃<T<149℃） 3.1.1 Troubleshooting 1、Temperature sensor from the main board. 2、Measuring the resistance of PT100 by multimeter. If the resistance is not 90‐116Ω （‐20℃‐40℃ Environment）,please replace PT100. 3、If the resistance is between 90‐116Ω,please measure the resistance of PT100 to ground （black pen of multimeter is connected to the ground of the sterilizer， red pen of multimeter is connected to either end of PT100）.If the resistance of the PT100 to ground is "0",replace the PT100(PT100 resistance to ground should be infinite). 4、Please check if the temperature sensor on the chamber heating cycle is well fitted to the chamber. If it is not completely fit, please attach it again. 3.2 Pressure sensor failure During the sterilization process, the pressure value detected by the system pressure sensor does not meet the requirements of sterilization. ... -
Page 12: Troubleshooting
HaeTmed(Wuxi)Co.,Ltd China 3.2.2 Troubleshooting 1、Please check and confirm if the sterilizer has an unusual operation during the sterilization process (forcibly disconnect the pressure sensor line),if there are unusual operations,please exclude unusual operations and run the program again. Otherwise reset the system and follow the instructions for pressure verification. 2、Please run the sterilization program again if the pressure verification is successful, In case the pressure checkup is unsuccessful or there is the same fault, please turn off the power and check the line connection status between pressure sensor and main board by the multimeter on/off file. 3、Please check if there is damage at the connecting tubing between the pressure sensor and the chamber. 4、Troubleshooting the problem of electrical line connection and piping connections for pressure sensors,basically determines that the pressure sensor itself is damaged and needs to be replaced. Chapter 4 Power and Pressure Failure 4.1 electricity failure 4.1.1 The reason of malfunction Turn on the power switch, the machine display interface does not respond or the display interface is slow 4.1.2 Failure analysis 1、Power cable bad contact Bad contact of the power switch results slow display; Abnormal connection of the line causes power supply not working properly. ... -
Page 13: Pressure Failure
HaeTmed(Wuxi)Co.,Ltd China 4.1.3 Troubleshooting 1、For the sake of safety, it is recommended that under circumstances of power disconnection,please use a multimeter with on/off file (The one with two test pens that will make a beep) to measure whether the wires from the power plug fire line(L) to the power fuse fire line is unblocked, secondly please test if the wires from the power plug zero line (N) to the power fuse zero line is smooth. 2、If it is not smooth(no buzzing),please disassemble the fuse and check if it is blown as shown below. If it is blown, please replace the fuse. 3、 If this line is unblocked,please measure whether the fire line (L) and neutral line (N) from the fuse to the surge protector is unblocked. If not, please replace the surge protector. 4、If the surge protector works well,please turn on the power switch first(In case of no power)and check out if the outlet of the surge protector to the outlet of the power switch is smooth. If blocked, please replace the power switch. 5、Troubleshooting the above faults, Please check if the power fuse on the main board is blown. If it is blown, please replace the fuse. 4.2 Pressure failure Error code：#24 Pressure Upper Limit #26 Pressure Lower Limit. 4.2.1 The reason of malfunction During the sterilization process, it is detected that the pressure value in the chamber exceeds the preset range pressure value which will trigger an alarm“Pressure Upper Limit with error code#24” ... - Page 14 HaeTmed(Wuxi)Co.,Ltd China If the pressure value in the chamber is detected lower than the preset range pressure value which will trigger an alarm “Pressure Upper Limit with error code# 26”. 4.2.2 Failure analysis 1、Steam generator control circuit failure The steam generator control circuit failure causing the steam generator operating voltage to be uncontrolled by the drive signal 2、Pressure sensor failure Ⅰ、The pressure sensor is damaged and does not work properly Ⅱ、The pressure sensor electrical connection line is broken and the normal pressure collection cannot be completed. 4.2.3 Troubleshooting 1、Start the power supply in standby mode to measure if there is an output voltage on the steam generator on the main board by the multimeter's AC voltage file;If there is a voltage value, Please replace the optocoupler of the steam generator or replace the main board as shown below. Output voltage of steam generator Optocoupler of steam generator ...
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Page 15: The Reason Of Malfunction
HaeTmed(Wuxi)Co.,Ltd China 、 Exclude the above faults, reset the system and follow the prompts for pressure verification and run the sterilization program again: If the verification fails or the sterilization process still exists the same fault. Please turn off the power and use the multimeter with on‐off file to check the connection status of the pressure sensor and the main board and check whether the connection between the pressure sensor and the chamber is damaged.If there is a beep and the connection is normal,please replace the pressure sensor assembly Chapter 5 Distilled Water Failure Error Code：#8 No Distilled Water 5.1 The reason of malfunction After the system starts the distilled water program,if the pumping volume does not reach the set value within 45 seconds, it will trigger an alarm “without distilled water.” 5.2 Failure analysis 1、No access to distilled water The inlet of the distilled water pipe is out of the water surface or the water is used up. 2、Distilled water inlet pipe blocked or detached The pipe from distilled water inlet to water pump is blocked,or the joint is detached,or pipe is damaged. 3、Water pump failure ... - Page 16 HaeTmed(Wuxi)Co.,Ltd China The cause of the pump failure: ①The pump itself is damaged and cannot work.② The pump is unable to pump up the water for a long time, and internal sterilizer is unable to pump the water due to dryness in a short time.③Pump does not work with no driving voltage caused by electrical circuit disconnection 4、Pump front end solenoid valve failure Pump head front solenoid valve failure reason：①The solenoid valve itself is damaged and cannot work. ②Solenoid valve does not work with no driving voltage caused by electrical circuit disconnection.③The main board is faulty and cannot output the working voltage of the solenoid valve. 5、Distilled water flowmeter failure When the pump is started,the flowmeter will trigger the alarm if it does not count the specified number of pulses within 45 seconds. 5.3 Troubleshooting 1、Check if the external distilled water pipe is properly connected as shown below.The distilled water pipe can be removed or cut it about 1 CM after long‐term use or after handling to guarantee there is no leakage around the joint and then plugging the distilled water pipe in again. 2、Please check if the distilled water inlet pipe is clean. If not, please clean the distilled water inlet pipe; If it is unblocked,please run the sterilization program and observe the working condition of distilled water pump after the indicator (LD8)of the ...
- Page 17 HaeTmed(Wuxi)Co.,Ltd China Remarks: Period after preheating and prior to vacuum 3、When the water pump doesn’t work,the indicator of water pump at the main board LD8 is on,please measure the voltage value at the voltage input port of the pump by multimeter with AC voltage file.If the normal working voltage is measured, the pump needs to be replaced.If the pump end has no normal working voltage,if the voltage output port of the water pump at the main board has no working voltage ,please change the main board.If it has normal working voltage,please turn ...
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Page 18: The Reason Of Malfunction
HaeTmed(Wuxi)Co.,Ltd China 4、When the water pump works but no distilled water is pumped into the steam generator,please turn off the sterilizer first and unplug the power cord of normally closed solenoid valve located at the front of the water pump. if there is no sound,please replace the normally closed solenoid valve;if there is a sound, the line is not in good contact, please check and repair the line or replace the coil of solenoid valve. 5、If the water pump and the solenoid valves located at the front of the water pump works well after checkup,please check flow meter. Please unplug the water inlet pipe of distilled water and pay attention if the sterilizer gives warning of ”No distilled water”on the panel. If there is no alarm, please replace the flowmeter; If the alarm occurs, please contact the after‐sales service personnel to handle the fault. ... -
Page 19: The Reason Of Malfunction
HaeTmed(Wuxi)Co.,Ltd China 6.1.2 Failure analysis Unusual operations: ① The sterilizer due to external vibration leads to door lock mechanism alarm. ② Forcibly disconnecting the detection line of door lock mechanism during the sterilization. ③ Using emergency door opening function during the sterilization. Door lock position sensor failure: ① Micro switch failure ② Micro switch detection circuit failure ③ Limit switch failure ④ Limit switch circuit failure 6.1.3 Troubleshooting 1、Failure caused by abnormal external factors during sterilization(strong vibration、 emergency opening). 2、Eliminate unconventional reasons and reset the program. 3、If the faulty is not caused by unconventional operations,please turn off the power and close the door,unplug the connection wire of limit switch connecting from the main board.Please measure the end of the wire by multimeter with on‐off file if the ... -
Page 20: Chapter 7 Time Display Failure
HaeTmed(Wuxi)Co.,Ltd China 2、Drain valve failure includes: ①Drainage solenoid valve is damaged and Functional failure②Drain solenoid valve electrical circuit disconnection 6.2.3 Troubleshooting 1、It is necessary to check whether the drain pipe has been bent during use, resulting in the drain pipe not being smooth, resulting in drainage failure. 2、Pay attention to the pressure inside the chamber, if the pressure is relatively maintained or the pressure is reduced and the change is not big and drain solenoid valve indicator (LD10) lights up.We need to open and clean the drain filter,after washing, please check the drain solenoid valve and disassemble it or replace the drain solenoid valve. ... -
Page 21: The Reason Of Malfunction
HaeTmed(Wuxi)Co.,Ltd China 7.1 The reason of malfunction The time displayed by the system or the time of sterilization record does not match the actual time. 7.2 Failure analysis 1、RTC Battery at main board is exhausted,the system can’t count properly as shown in the following pictures. 2、The main board RTC battery is loose or fall off. 7.3 Troubleshooting 1、Turn off the power and check if the main board RTC battery is installed properly. 2、If installed properly,please check if display interface shows a fixed time.For example: 12:12:12. If so,the battery is in low power and the RTC battery needs to be replaced. 3、If installed improperly, please reinstall the RTC battery and set the system time. ... -
Page 22: The Reason Of Malfunction
HaeTmed(Wuxi)Co.,Ltd China Chapter 8 Chamber Heating Coils Failure Error Code: #6Preheat timeout #7Heat Err 8.1 The reason of malfunction The fault is triggered when the temperature of the chamber heater(jacket heater) is less than 110 ° C within 16 minutes after the sterilization process is started.The fault message is "Preheat Timeout". 8.2 Failure analysis The cause of the failure is: ① Jacketer heater is defec ve ②Chamber temperature sensor failure ... -
Page 23: Vacuum Pump Failure
HaeTmed(Wuxi)Co.,Ltd China 4、If normal working voltage measured,please turn off the power and unplug the power cable of jacket heater to measure its resistance by multimeter,if there is no resistance,please change the jacket heater of chamber. 5、 If no normal working voltage detected,please measure the output voltage of jacket heater connecting from the mainboard,no working voltage measured,please change the main board;If the output working voltage mesasured,please check and repaire the electrical wiring. ... -
Page 24: Steam Generator Failure
HaeTmed(Wuxi)Co.,Ltd China 5、If no normal working voltage,please measure the driving voltage of vacuum pump by multimeter with AC voltage file. 6、If normal driving voltage measured,please check and repair the electrical circuit connection; If no driving voltage after checkup,please change the main board of sterilizer. 9.2 Steam generator failure Error Code: #13Steam timeout #14Boiler Err 9.2.1 The reason of malfunction 30 minutes timeout when steaming at the first and second time or 40 minutes timeout in the climbing stage will trigger a fault. ... - Page 25 HaeTmed(Wuxi)Co.,Ltd China ② Temperature sensor electrical circuit disconnection 9.2.3 Troubleshooting 1、If the load is excessive,please reduce the sterilization load, Please refer to the sterilization instruction manual for the load. 2、If the sterilization load is within reasonable limits,please run “vacuum test” program,if “vacuum test” fails,please check if the chamber is well sealed;If “vacuum test” passed, Please follow the steps three to check again. 3、Please kindly check if there is a lot of water in the chamber (Spilled by steam generator),if yes, Please run the “drainage program” to drain the water and run the ...
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Page 26: Chapter 10 Other Failure
HaeTmed(Wuxi)Co.,Ltd China generator. 8、if there is normal resistance,please measure temperature switch on/off of steam generator,when the temperature switch is at Non‐closed state,please change temperature switch. Chapter 10 Other Failures 10.1 Display screen flash 10.1.1 The reason of malfunction 10.1.2 Troubleshooting 1、Please Check if the display cable is well connected 2、Replace the display assembly 10.2 The door cannot be opened 10.2.1 The reason of malfunction If press this button on the panel can not open the door,and then pressing the button ... -
Page 27: Failure Analysis
HaeTmed(Wuxi)Co.,Ltd China on the panel with trigger sound but still can not open the door. 10.2.2 Failure analysis 1、 4Kpa The pressure inside the chamber is higher than normal pressure 2、 5Kpa The pressure inside the chamber is lower than normal pressure （ ） 3、 Door lock solenoid does not work No sound 10.2.3 Troubleshooting 1、Please open the door until the pressure inside of the chamber returns to normal. 2、If the pressure inside of the chamber returns to the normal,but the door still can not be opened up,please troubleshoot the electrical and mechanical failure first,then reset the system to solve the problem that the door lock electromagnet doesn’t work.Please enter the system with system settings system reset ... - Page 28 HaeTmed(Wuxi)Co.,Ltd China Chapter 11 Sterilization Stage Failure １ As shown in the figure above, we divide the sterilization process into multiple stages so that we can analyze and solve the problem.Below we will specifically to see what components work at each stage and the trigger conditions required for some faults. ...
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Page 29: Sterilization
HaeTmed(Wuxi)Co.,Ltd China 3 way Liquid Internal Drain Exhaust Normally Distilled Vacuum Jacket Flower Chamber Over Boiler Door solenoid expansion Chamber Sterilization valve valve open valve water pump pump heater meter wall PT100 pressure LD1 lock LD7 valve switch PT100 LD10 LD6 LD5 LD8 LD4 LD2 ... - Page 30 HaeTmed(Wuxi)Co.,Ltd China The 3 time of vacuum 12：爬坡 08 13 03/04/05 08 16 25 24 Climbing stage 13：平衡 08 13 06 03/04/05 08 16 25 06 24 Balacning stage 14：保持 08 ...
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Page 31: Warning And Failure
HaeTmed(Wuxi)Co.,Ltd China Warning and failure Code Message Detection time Indication Triggering conditions 02 Manual stop Process of sterilization Manual stop Press stop button Door Sensor 1(For manual door) Process of sterilization Door is not locked Micro switch disconnected 03 Motor sensor err(For automatic door) Process of sterilization Motor switch abnormal Motor switch reset Door Sensor 2(For manual door) Process of sterilization Door is not locked Limit switch disconnected 04 Door sensor err(For automatic door) Process of sterilization Door switch abnormal Door switch reset Door Sensor 1&2(For manual door) Process of sterilization Door is not locked Micro switch and limit switch disconnected 05 Motor and door sensor err(For automatic door) Process of sterilization Motor and door switch abnormal Motor and door switch reset ... - Page 32 HaeTmed(Wuxi)Co.,Ltd China measured 13 Steam timeout Burn steam Burn steam timeout Pressure does not reach the set value timeout Electric current of steam generator cannot be 14 Boiler Err Burn steam Steam generator timeout measured Last 10 mins climbing & The detected temperature and the theoretical 15 Steam Err Steam saturation is not sufficient sterilization calculated temperature differ by more than 3°C Temperature controller/Liquid Liquid expansion switch/liquid level switch are 16 Temper/Level SW Open Pumping water expansion switch unable to reset not stable The inlet valve is closed and the water pressure 17 Water SW Close Process of sterilization Water pressure switch unable to reset switch is triggered 18 Keep Temp Low Sterilization Holding temperature is too low ...
- Page 33 HaeTmed(Wuxi)Co.,Ltd China 32 Input Vol High Process of sterilization Input voltage is too high Input voltage is more than 255v 33 Cooling Water Pressure Error Open up water inlet valve Times of water pressure test too much Water pressure test is more than 5 times 33 Cooling Water Pressure Error(For Water cooling) Open up water inlet valve Cooling water pressure unstable The water pressure test is more than 5 times Electric current of jacket heater and vacuum 38 Heat and Vacuum Err Vacuum Jacket heater and vacuum pump failure pump can’t be measured Electric current of steam generator and vacuum Steam generator and vacuum pump pump cannot be measured/Electric current of 39 Boiler and Vacuum Err/Heat and Water Err Vacuum failure/jacket heater and water pump jacket heater and water pump cannot be failure measured ...
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