Appendix
INTELLIGENT ACTUATOR
477
(In the panel window, the three digits after “E” indicate an error number.)
Error No. Error name Description, action, etc.
C71 Synchro slave-axis command error A command was issued to the synchro slave axis.
C72 Overrun error The overrun sensor was actuated.
C73 Target-locus soft limit over error The target position or movement locus exceeds a soft limit.
* In the case of a SCARA specification, position data may not exist for the
applicable axis.
C74 Actual-position soft limit over error The actual position exceeds a soft limit by the “soft limit/actual position margin” or
more.
C75 Motion-data-packet generation logic error The motion-data-packet generation logic is invalid.
C76 Movement-point count over error Too many packets are generated simultaneously.
C77 Handling-packet overflow error The servo handling packets overflowed.
C78 Motion-data-packet overflow error The servo motion data packets overflowed.
C79 Pole sense operation error Operation is disabled in the pole sense mode.
C7A Servo unsupported function error An attempt was made to use an unsupported function.
C7B Odd-pulse slide error Internal servo calculation error
C7C Odd-pulse processing logic error Internal servo calculation error
C7D Packet pulse shortage error Internal servo calculation error
C7E Quadratic equation solution error An error was detected while calculating a quadratic equation solution.
C7F No valid specified axis error No valid axes are specified.
C80 Servo-packet calculation logic error Internal servo calculation error
If the controller is of absolute-encoder specification and an “Error No. C74, Actual-
position soft limit over error” is also present, an absolute reset may not have been
executed correctly and consequently a servo packet calculation overflow occurred
due to a current position error. If this is the case, perform an absolute reset again by
following the procedure specified in the operation manual.
(Performing an “encoder error reset” operation in the absolute reset window alone
does not allow the controller to recognize the current position correctly. Always
perform an absolute reset by strictly following the specified procedure.)
C81 Operation-amount logic during servo ON Servo processing logic error
C82 Servo direct command type error Servo processing logic error
C83 Servo calculation method type error The servo calculation method type is invalid.
C84 In-use axis servo OFF error The servo of an axis currently in use (being processed) was turned off.
C85 Non-installed driver error Driver is not installed for the applicable axis.
C86 Driver servo ready OFF error The ready signal for the driver of the applicable axis is OFF.
C87 SEL unsupported function error An attempt was made to use a function not supported by SEL.
C88 Speed specification error The specified speed is invalid.
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