Chapter 6 Troubleshooting
189
In the panel window, the error numbers follow E in the display.
Error No. Error name Description, action, etc.
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.
E4B Encoder count error An encoder count error was detected.
E4E Phase-Z count parameter error Check axis-specific parameter Nos. 23, 38, 37, etc.
E4F Synchronizing parameter error Check each axis parameters No. 65 and 39 and all axes
parameter No. 1 and so on.
* Only for MSEL-PC/PG/PCF/PGF
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.
E63 Message-buffer information type
error
The message-buffer information type is invalid.
E68 Emergency-stop status requiring
reset recovery (Not error)
Reset the emergency stop and then reconnect the power.
E69 Abnormal 24-V I/O power source The 24-V I/O power source is abnormal.
E6B Shutdown factor indeterminable
error
Shutdown factor cannot be determined.
E6C DO output current error The DO output current is abnormal. The power must be
reconnected.
E6D Drive-source cutoff relay error The drive-source cutoff relay may have been melted.
E6E Power-stage rating (W) mismatch
error
A power stage with inappropriate rated capacity (W) is
installed.
E6F Power-stage rating (V) mismatch
error
A power stage with inappropriate rated voltage (V) is
installed.
E70 Motor-drive power rating (V)
mismatch error
A motor-drive power source with inappropriate rated
voltage (V) is installed.
Cold-start level errors
E71 Encoder configuration information
outside supported function
information range
An encoder whose configuration information is outside the
range supported by the driver unit is installed.
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