Manufacturer's often send out ' safety warning' issues on products.
When did you buy it? If within 30 days of the item's last estimated date for delivery, read the link below eBay's 30 day MBG, Money Back Guarantee policy how to receive a full refund from the seller.
https://pages.ebay.co.uk/ebay-money-back-guarantee/
If this time has lapsed , you could contact the manufacturer ask what this fault is , and how to proceed.
@wordy1958