How we can change filter? And spong filter

I have ksoc10 device but i dont know how i can clean cylendrical filter can you help me? window filter need to clean?

What does E01 mean?konsung KSOC_5

hello I have a brand oxygen concentrator when I turn on the device, it works then I adjust the flow for example to 6L it works and you feel the o2 then a few seconds it starts to decrease the flow on its own then it blows again, I mean it does not give the flow rate that I chose continuously, what is its problem

Why the oxygen change from 95 to 0 only split seconds? Is it normal?

how to change the air filter please

Wbt the timer ? Will it run infintly ?

What is E02 Please explain me???

My device is broken and the code is E02. Please clarify, thank you

how one can come to know that oxygen purity has dropped in machine. Is there any display for oxygen purity level or any alarm for such

Our oxygen concentrator always in ⚠️ warning i don know why. Can you teach me what is wrong

Dear Sir/Madam, We are a medical equipment maintenance company based in Algeria, and we have recently received several oxygen concentrators of your brand that are displaying the error E31. According to the technical manual, there seems to be an issue with the oxygen sensor. We are writing to urgently seek your assistance, as the individuals relying on these devices are in critical condition. We greatly appreciate your prompt attention to this matter and kindly request your immediate support in resolving the problem. Given the gravity of the situation, we kindly ask for a swift response and guidance on how to rectify the error with the oxygen sensors. Please let us know if any additional information or documentation is required from our end to facilitate the troubleshooting process. We sincerely hope for your swift response and collaboration to ensure the continued functionality and reliability of these essential medical devices. Thank you for your understanding and cooperation. Yours sincerely,