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Troubleshooting
There are no field serviceable parts or circuits in the device. Opening the unit will void the warranty.
Contacting Hall Technologies
If you determine that the SW-HD-4A is malfunctioning, do not attempt to repair the unit instead,
contact Hall Research Technical Support at 800-959-6439 or support@haltechav.com.
Before you do, make a record of the history of the problem. We will be able to provide more efficient
and accurate assistance if you have a complete description.
Shipping and Packaging
If you need to transport or ship your unit:
• Package it carefully. We recommend that you use the original container.
• Before you ship the units back to Hall Research for repair or return, contact us to get a Return
Authorization (RMA) number.
Hall Technologies
August 9, 2023
Page 14 of 16
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