Maintenance 8. Trouble Shooting
RC180 Rev.17 245
When “EPSON Robot Controller RC170 (or RC180)” 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 EPSON.
“Cannot connect to controller.
!! Error: 1805, Connection failure, check the controller startup and connection of the
communication cable.”
If “EPSON Robot Controller RC170 (or RC180)” is not located under “Universal Serial
Bus controllers” but located under “Other devices” in step (5), refer to 8.2.2 When
recognized under “Other devices” in Windows Device Manager.