Mitsubishi Electric MELSEC-LD77MS2 User Manual page 930

Classification Error
Error name
of errors code
984 Creep speed error
985 OPR retry error
Setting for the
movement amount
991
after near-point dog ON
error
OPR acceleration time
992
selection error
OPR deceleration time
993
selection error
Parameter
setting range
errors
OPR torque limit value
995
error
Speed designation
997
during OP shift error
Operation setting for
998 incompletion of OPR
error
Operation cycle setting
999
error
1003 SSCNET setting error
Error
• The set value of the OPR basic
parameter "Creep speed" is outside the
setting range.
• The set value of the OPR basic
parameter "Creep speed" is larger than
the OPR speed.
• The set value of the OPR basic
parameter "Creep speed" is smaller than
the bias speed at start.
The set value of the OPR basic parameter
"OPR retry" is outside the setting range.
The set value of the OPR detailed
parameter "Setting for the movement
amount after near-point dog ON" is outside
the setting range.
The set value of the OPR detailed
parameter "OPR acceleration time
selection" is outside the setting range.
The set value of the OPR detailed
parameter "OPR deceleration time
selection" is outside the setting range.
• The set value of the OPR detailed
parameter "OPR torque limit value" is
outside the setting range.
• The OPR detailed parameter "OPR
torque limit value" has exceeded the
detailed parameter 1 "Torque limit setting
value".
The set value of the OPR detailed
parameter "Speed designation during OP
shift" is outside the setting range.
The set value of the OPR detailed
parameter "Operation setting for
incompletion of OPR" is outside the setting
range.
The set value of the expansion parameter
"Operation cycle setting" is outside the
setting range.
The set values of the expansion parameter
"SSCNET setting" and the servo parameter
"Servo series" are mismatch.
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Chapter 16 Troubleshooting
Operation status at error occurrence
The READY signal [X0] is not turned ON.