Motor does not run

Cause Solution
The safeguard input signal is not connected properly or the safeguard is open.

When the safeguard is open, the robot can only be operated by a teaching device. Assure that the safeguard input is wired properly and operate with the safeguard closed.

Refer to the following manuals for more details.

  • RC90 Series Manual
  • RC700 Series Manual
  • RC700-D Manual
  • RC700-E Manual
  • RC800-A Manual
The pulse output signal from the PG Board is not connected properly to the drive. Make sure that the wiring is connected properly.
Pulse output from the PG Board is not compatible with the input to the drive. Check the settings on both the PG Board and the drive. Certain models of drives require turning off the power in order to validate the new settings.
The maximum frequency of the general pulse output is not set properly. Make sure that the settings comply with the drive’s specifications.
The control mode for the drive is not set at the position control mode. Check the settings.
Either the output from the drive signal to the motor or receiving the pulse input from the PG Board is prohibited at the drive settings. Check the signal settings at the drive.
Either the torque limit signal or speed limit signal is input to the drive. Check the signal settings at the drive.
The gain setting for the drive is not appropriate for the load. Set the gain properly by referring to the drive’s manual.
The drive is outputting the alarm signal. Find out the cause and cancel that situation by referring to the drive’s manual.