Not working from the beginning

Today installed faucet and it does not work. No water through handle or sensors. Only one splash of water at startup and nothing more. Tried another new battery and restart procedure. Only Ready sensor LED blinks every 10 sec. The customer support told me that there is power supply issue, and they propose me the new battery enclosure. I told them twice that I have 10 volts at the end of power connector, but this information is not interesting to them. It is a pity that the faucet was delivered to Russia and I paid 80 dollars over for delivery, and it does not work.

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