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MELSEC-
A
14 TROUBLESHOOTING
Division of
error
Error
code
Error name Description Action at occurrence of error
Parameter
983
Zero point return
speed error
The setting range of the “zero point return
speed” zero point return basic parameter is out
of the setting range.
The D75P2 READY signal [RXn0] is not turned
OFF.
984
Creep speed
error
The setting range of the “creep speed” zero
point return basic parameter is out of the
setting range.
985
Zero point return
retry error
The setting range of the “zero point return retry”
zero point return basic parameter is out of the
setting range.
991
Zero point return
torque limit value
The setting range of the “zero point return
torque limit value” zero point return detail
parameter is out of the setting range.
992
Setting for the
movement
amount after
near-point dog
ON error
The setting range of the “setting for the
movement amount after near-point dog ON”
zero point return detail parameter is out of the
setting range.
993
Zero point return
acceleration
selection error
The setting range of the “zero point return
acceleration time selection” zero point return
detail parameter is out of the setting range.
994
Zero point return
deceleration
selection error
The setting range of the “zero point return
deceleration time selection” zero point return
detail parameter is out of the setting range.
997
Speed selection
at zero point shift
error
The setting range of the "speed designation
during zero point shift” zero point return detail
parameter is out of the setting range.
999
Flash ROM sum
check error
Flash ROM writing is terminated erroneously.
If a reserved error code is displayed, unnecessary data is stored in the buffer memory not described in the
manual.
If a reserved error occurs, write the following data to the designated buffer memory.
Error code Setting data
Relevant buffer memory address
Axis 1 Axis 2
934 0 32 182
935 1 33 183
936 3 34 184
937 0 35 185
996 1 87 237
970 0 64, 65 214, 215