Mitsubishi Electric MELSEC-Q Series - Page 784

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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
Parameter
setting range
errors
970
Restart allowable range
error
The set value of the detailed parameter 2
"Restart allowable range when servo OFF
to ON" is outside the setting range.
The READY signal [X0] is not turned ON.
971
Speed control 10 x
multiplier setting for
degree axis error
The set value of the detailed parameter 2
"Speed control 10 x multiplier setting for
degree axis" is outside the setting range.
976
Manual pulse
generator/Incremental
synchronous encoder
input type selection
error
The set value of the detailed parameter 2
"Manual pulse generator/Incremental
synchronous encoder input type selection"
is outside the setting range.
977
Operation setting for
speed-torque control
mode error
The set value of the detailed parameter 2
"Operation setting for speed-torque control
mode" is outside the setting range.
978
External command
signal selection error
The set value of the detailed parameter 2
"External command signal selection" is
outside the setting range.
979
Synchronous encoder
via servo amplifier
invalid error
• In system construction, the unset up
servo amplifier axis is set as the
synchronous encoder via servo amplifier.
• The servo amplifier axis set as
synchronous encoder via servo amplifier
is not supported with scale measurement
mode.
• The servo amplifier axis set as
synchronous encoder via servo amplifier
is connected to the linear scale.
980 HPR method error
The set value of the HPR basic parameter
"HPR method" is outside the setting range.
981 HPR direction error
The set value of the HPR basic parameter
"HPR direction" is outside the setting
range.
982
HP address setting
error
The set value of the HPR basic parameter
"HP address" is outside the setting range.
983 HPR speed error
• The set value of the HPR basic parameter
"HPR speed" is outside the setting range.
• The set value of the HPR basic parameter
"HPR speed" is smaller than the bias
speed at start.