| 3 | | |
| 4 | | === Symptom: The host computer will not communicate with the !BarrettHand™. === |
| 5 | | |
| 6 | | Possible Solution: |
| 7 | | 1. Verify all connections are secure to the Power Supply, !BarrettHand™, and computer. |
| 8 | | 1. Check that the serial cable is a straight-through extension cable. |
| 9 | | 1. Verify the Power Supply is turned on. |
| 10 | | 1. Firmware may no longer be valid. Try [[FirmwareUpdate| downloading the firmware]]. |
| 11 | | 1. Host computer baud rate and !BarrettHand™ baud rate may be set to different rates. Close the !BarrettHand Control GUI and reset the !BarrettHand™, by cycling power on the !BarrettHand Power Supply. Restart the !BarrettHand Control GUI and try initializing again. |
| 12 | | 1. The communications port selected is being used by another program. Close all other programs that use the selected communications port. Reset the !BarrettHand™ and restart the !BarrettHand Control GUI. |
| 13 | | 1. If the problem persists, contact Barrett Technology. |