Inquiry about a calibration problem with the Jebao MD 4.4 dosing pump

small8

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Hi everyone, I'd like to ask for some advice regarding my Jebao MD 4.4 dosing pump. I seem to be having an issue with the calibration.

I set the calibration volume to 20 ml. For Channel 1, it took 10 seconds. Then, I moved on to calibrate Channel 2, which took 12 seconds. However, when I went back to check Channel 1, the time had changed to 12 seconds to match Channel 2, even though it should have stayed at 10 seconds.

Is this an error/bug? Has anyone else experienced this issue? For context, I'm doing the setup via the Android app.
 

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