Appendix
INTELLIGENT ACTUATOR
487
(In the panel window, the three digits after “E” indicate an error number.)
Error No. Error name Description, action, etc.
E39 No encoder EEPROM error The encoder is not equipped with EEPROM.
E3A Absolute encoder error Absolute encoder is specified illegally.
E3C Undefined slave-command error code detected An undefined slave-command error code was detected.
E3D SEL program/point/parameter flash ROM status error Data is not written to the flash ROM correctly or written in an old,
incompatible application version.
E3E Parameter checksum error The flash ROM data has been destroyed.
E3F Gain parameter error The setting of “Axis-specific parameter No. 60, Position gain,” etc., is invalid.
E40 Rotational-movement axis parameter error Check axis-specific parameter Nos. 67, 66, 38, 37, 1, etc.
E41 Servo-motion data packet shortage error There are not enough servo-motion data packets.
E42 Servo job error The servo job is invalid.
E45 Servo undefined command detection error An undefined command was detected during servo processing.
E46 Maximum receive size over error at absolute-data
acquisition
The receive size is too large when acquiring absolute data.
E47 No normal response error at absolute-data acquisition Normal response is not received when acquiring absolute data.
E49 Encoder rotation error An encoder rotation error was detected.
E4A Encoder rotation counter overflow error An encoder rotation counter overflow error was detected.
E4B Encoder count error An encoder count error was detected.
E4C Encoder overspeed error An encoder overspeed error was detected.
E4D Driver phase-Z detection logic error A phase-Z detection completion status was notified from the driver in a mode
other than the phase-Z detection operation mode.
E4E Phase-Z count parameter error Check axis-specific parameter Nos. 23, 38, 37, etc.
E4F Synchro parameter error Check axis-specific parameter Nos. 65, 39, all-axis parameter No. 1, etc.
E50 Driver special command ACK-timeout error ACK cannot be detected for the driver special command.
E51 Drive unit error (DRVESR) Error notification from the driver
E52 Encoder error (DRVESR) Error notification from the driver
E53 Driver CPU error (DRVESR) Error notification from the driver
E54 Servo control error (DRVESR) Error notification from the driver
E55 Command error (DRVESR) Error notification from the driver
E56 Motor temperature error (DRVESR) Error notification from the driver
E58 Servo ON/OFF timeout error Servo ON/OFF cannot be confirmed.
E59 Brake ON/OFF timeout error Brake ON/OFF cannot be confirmed.
E5A Pole sense non-detection error Motor magnetic pole cannot be detected.
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