Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error.
(1) When the command from the controller is the permissible speed or higher.
    • Check operation pattern.
(2) When the command is lower than the permissible speed.
    • Take countermeasure against I/O signal noise
    • Take countermeasure against servo system controller noise

Refer to relevant servo amplifier manuals for details.