Hi Pricto,
Sounds to me that the module might have an issue. Let's see what Erica Synths says. You might need to send the module to them for repair or check; but up to Erica Synths of course to analyse this accurately.
Good luck and kind regards, Garfield.
For review reports of Eurorack modules, please refer to https://garfieldmodular.net/ for PDF formatted downloads