System Messages - Alphabetical List Either there is a syntax error, or the requested redirection is not allowed for your I/O configuration. User action: Check the syntax of the offending statement. Make sure that the requested redirection device is allowed on your I/O configuration. *Illegal joint number* (-609) Explanation: A joint number has been specified out of the allowed range. User action: Correct the joint number. *Illegal memory reference* (-418) Explanation: An operation has attempted to reference an invalid memory address. That is, one that is either out of the allowed range, or that is not in use for any input/output module. User action:
Correct the address or install the missing module. *Illegal monitor command* (-300) Explanation: The name of the command just attempted was not recognized by the system, possibly because it was mistyped or because it was a program instruction and not a command. User action: Verify the spelling of the command name and enter the command again. Use the DO command to invoke a program instruction from the terminal. *Illegal motion from here* (-613) Explanation: The motion just attempted cannot be performed from the current robot location.
For example, NEST can be executed only immediately after a READY instruction; CALIBRATE can be executed only after power-up, LIMP, or NEST; and only CALIBRATE or READY can be executed when the robot is in the nest. User action: Perform the appropriate operation sequence before retrying the desired motion. *Illegal operation* (-423) Explanation: A program instruction has attempted to perform an operation that is not possible. User action: Check the instruction executing when the error occurred. Make sure all conditions necessary for its successful completion are met. eV+Language Reference Guide, v2.x, 18319-000 Rev A Page 615