Touch Panel Issue

1. Symptom : If the touch panel is not working and one button is touched again and again even though the customer touches it only one time.
2. Need to check
   1. 1. Try new batteries
      2. Check the cable between outbody and inbody
      3. Any corrosion on the outbody
3. If it’s normal 3321 or DS510, we can send the replacement of the outbody.
4. If we need to send out the locksmith, we should inform the customer, it would be chargeable if any installation or other components such as the battery cause this issue.