Mitsubishi MELSEC-Q QD77MS, User Manual

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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
991
Setting for the
movement amount
after near-point dog ON
error
The set value of the OPR detailed
parameter "Setting for the movement
amount after near-point dog ON" is outside
the setting range.
992
OPR acceleration time
selection error
The set value of the OPR detailed
parameter "OPR acceleration time
selection" is outside the setting range.
993
OPR deceleration time
selection error
The set value of the OPR detailed
parameter "OPR deceleration time
selection" is outside the setting range.
995
OPR torque limit value
error
• 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".
997
Speed designation
during OP shift error
The set value of the OPR detailed
parameter "Speed designation during OP
shift" is outside the setting range.
998
Operation setting for
incompletion of OPR
error
The set value of the OPR detailed
parameter "Operation setting for
incompletion of OPR" is outside the setting
range.
999
Operation cycle setting
error
The set value of the expansion parameter
"Operation cycle setting" is outside the
setting range.
Parameter
setting range
errors
1003 SSCNET setting error
The set values of the expansion parameter
"SSCNET setting" and the servo parameter
"Servo series" are mismatch.
The QD77 READY signal [X0] is not turned
ON.
Encoder
errors
1201 OPR data incorrect
The backup data for absolute position
restoration is illegal.
The operation continues.
Absolute
position
1205
SSCNET
communication error Data received from servo amplifier is in
error.
The operation continues.