Hello & Welcome to Just Answer,
Sorry I didn't see your question earlier and to hear of any issue you are having with your device.
To help you with this issue, may I ask:
1) The EXACT Model of the device you are working with? If you are not sure, please look for the SERIAL NUMBER (usually on the back or bottom of the unit - with any mounting bracket removed) and send it back
2) What is the AGE of the device?
3) Are you having ANY issues with the device operating?