Difficult to return to base

Hi, I just installed the robot, all ok but it has problems when it comes back to the base, if mop pad is installed, it seems it doesn't lift it and then gets stuck trying to get back to the base. If I remove the pad it manages to return on the first try, otherwise it takes at least 3 or more tries before it manages to return.
What can I do?

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J'ai eu le même souci, j'ai réussi à y remédier en appuyant plusieurs fois sur la sortie eau sale qui se trouve au milieu de la base. Cette sortie était bloqué,  le robot n'arrivait pas à se fixer.

Hello, can you provide us with the SN number of your robot (it is usually located on the label at the bottom of the robot)? We will contact our technicians to analyze it for you.

Sure, here it is
R2430H52FEU0156733
Today this problem caused the scheduled cleaning to stop, so it didn't complete all the rounds

Hello, after analysis, this may be caused by an internal robot arm failure. We recommend that you contact our after-sales department for further assistance.

After-sales email: aftersales@mova-tech.com

I think I have the same problem.