During the visual and functional inspection prior to the repair it was already noticeable that the head had several dents which shows that the product received several strong external hits, e.G.By dropping down.Such a hit causes that the back cap gets unlocked and could get unscrewed if product gets used further.To avoid such issues the user instruction contains already several notes, warnings and requests how to prepare the handpiece for each treatment and how to use it: 2.2 technical condition: a damaged device or components could injure patients, users and third parties.Only operate devices or components if they are undamaged on the outside.Check that the device is working properly and is in satisfactory condition before each use.Have parts with sites of breakage or surface changes checked by the service.If the following defects occur, stop working and have the service personnel carry out repair work: malfunctions ,damage , irregular running noise ,excessive vibration ,overheating ,and tool is not seated firmly in the handpiece.Following expiry of the warranty, have the tool holding system checked once a year.Kavo recommends specifying in-house service intervals where the medical device is brought to a professional shop for cleaning, servicing and a function check.Define the service interval depending on the frequency of use.
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