29th Day Of attAcHment
I am unable to do preventive maintenance today since my colleague who is doing it with me is on leave. However, i get a chance to do troubleshooting and repair of medical equipments. I am happy in a way as i get to see the internal components.
The devices that i handled today are syringe pump (STC 523), infusion pump (STC 508) and PCA pump (Graseby 3300). When i troubleshooting the syringe pump and infusion pump, i followed the troubleshooting flowchart that they provided in the service manuals. After inspection of the devices, i did the occlusion and flow test to see whether the reading is out of range. Basically, doing troubleshooting not only able to detect the errors, it is to ensure the device is able to run smoothly and working well. The problem for that two devices is that the alarms keep sound. I meet this problem when i did not place the tubing in between the infra red sensors which are air in line detector. The blocking of fluid will result occlusion detector to alarm. After having the functional check done, they seems working alright.
Whereas for the PCA pump, the problem is the display is not clear so Faz went to change the batteries to see whether it is the battery problem. After doing it, the same problem arised. I continued from there and start to see whether there is any blown fuse using multimeter to check the continunity. The fuse seems alright. i am unable to find the problem so went to ask Mr Sin and he told me display circuit is wearing out. I have to call and buy the display circuit from the vendor. The bad news is it will only arrive after 6 weeks as it will be imported from overseas. For the time being, the pump will be sent back for usage until the circuit arrives.
The devices that i handled today are syringe pump (STC 523), infusion pump (STC 508) and PCA pump (Graseby 3300). When i troubleshooting the syringe pump and infusion pump, i followed the troubleshooting flowchart that they provided in the service manuals. After inspection of the devices, i did the occlusion and flow test to see whether the reading is out of range. Basically, doing troubleshooting not only able to detect the errors, it is to ensure the device is able to run smoothly and working well. The problem for that two devices is that the alarms keep sound. I meet this problem when i did not place the tubing in between the infra red sensors which are air in line detector. The blocking of fluid will result occlusion detector to alarm. After having the functional check done, they seems working alright.
Whereas for the PCA pump, the problem is the display is not clear so Faz went to change the batteries to see whether it is the battery problem. After doing it, the same problem arised. I continued from there and start to see whether there is any blown fuse using multimeter to check the continunity. The fuse seems alright. i am unable to find the problem so went to ask Mr Sin and he told me display circuit is wearing out. I have to call and buy the display circuit from the vendor. The bad news is it will only arrive after 6 weeks as it will be imported from overseas. For the time being, the pump will be sent back for usage until the circuit arrives.
posted by Michelle Tham @ 7:34 PM
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