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Mallory JohnsonAug 3, 2025
How to troubleshoot Software House SWH-4000 when no LEDs are on?
- KKevin SnyderAug 3, 2025
If none of the LEDs are lit on your Software House Card Reader, check the power connections to the reader. Also, verify the reader supply voltage at connector pin 3 and ensure the ground connection at pin 2 is secure and well connected.