Hello & Welcome,
Sorry to hear of any issue you are having with your device.
To help you with this issue, may I ask:
1) The FULL Make & Model Number of the device you are working with?
2) The AGE of the device?
3) Has ANYTHING changed about the same time this issue first began? That can be things such as where the device is mounted, the vehicle it is used in, etc.
I see it has been a few days and I just wanted to follow up to see if you have any more questions concerning this issue or if the issue was resolved?
I look forward to any further questions or results that you may have.
Thanks, ***** *****--. .-(im).