Maintenance 10. Troubleshooting
RC90 Series Maintenance Rev.1 55
(3) The [Hardware and Sound] dialog appears.
Click <Device Manager>.
(4) The [Device Manager] dialog appears.
Click <Universal Serial Bus controllers> and make sure that
“EPSON Robot Controller”
is registered.
When “EPSON Robot Controller” is registered and located under “Universal Serial Bus
controllers” as shown above, 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” is not located under “Universal Serial Bus controllers” but
located under “Other devices” in step (4), refer to 10.2.2 When recognized under “Other
devices” in Windows Device Manager.
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