Maintenance 9. Troubleshooting
300 RC700 / RC700-A Rev.23
(5) The [Device Manager] dialog appears.
Click <Universal Serial Bus controllers> and make sure that “EPSON Robot
Controller RC170” is registered.
When “EPSON Robot Controller RC***” is registered and located under “Universal
Serial Bus controllers” in step (5), the development PC and the Controller connect
properly.
If the following error message appears, please contact the supplier of your region.
“Cannot connect to controller.
!! Error: 1805, Connection failure, check the controller startup and connection of the
communication cable.”
If “EPSON Robot Controller RC170” is not located under “Universal Serial Bus
controllers” but located under “Other devices” in step (5), refer to Maintenance 9.2.2
When recognized under “Other devices” in Windows Device Manager.
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