Owner's manual

Appendix Error List (MAIN application) (In the panel window, the
three digits after “E” indicate an error number.)
431
Appendix
(In the panel window, the three digits after “E” indicate an error number.)
Error No. Error name Description, action, etc.
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. E5B Detection OFF error upon pole sense completion The motor-magnetic-pole detection status bit (Psenex) is turned OFF after
completion of pole sense.
E5C Hold-at-stop servo job error The servo job is invalid. E5D Servo packet error The servo packets are invalid.
E5E Servo-control-right management array number error The servo-control-right management array number is invalid.
E5F Length conversion parameter error Check axis-specific parameter Nos. 47, 50, 51, 42, 1, etc.
E60 Slave maximum receive size over error The slave receive size is too large. E61 Slave no normal response reception error Normal response cannot be received from the slave. E62 Sending-slave CPU type error The CPU type of the sending slave is invalid.