Mitsubishi Electric QD75MH1 User Manual page 728

15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
— — —
— — —
— — —
Regenerative brake option
30102 30302 30502 30702
— — —
— — —
— — —
— — —
: The error check timing is shown below.
• When servo amplifier is power ON.
• When the QD75MH detects the rising edge (OFF
• When servo amplifier is reset.
• When the QD75MH is power ON.
Error Error
check process-
timing ing
—
Servo amplifier error (2024)
occurs if the servo is switched
Always
on after disconnecting the U, V,
W power cables from the servo
amplifier.
—
—
Imme-
diate
stop
—
Call the status display and
check the regenerative load
—
ratio.
Always
—
• The regenerative brake option
• Servo amplifier error (2030)
—
ON) of the PLC READY signal [Y0].
Check point
has overheated abnormally.
occurs even after removal of
the built-in regenerative brake
resistor or regenerative brake
option.
15 - 39
MELSEC-Q
Corrective action
Connect correctly.
Change the servomotor.
Repair or change the cable.
Connect correctly.
Change the cable.
Change the servo amplifier.
After leaving the alarm occurring for
few minutes, switch power off, then
on again.
Always make OPR setting again.
Change the battery.
Always make OPR setting again.
After leaving the alarm occurring for
few minutes, switch power off, then
on again.
Always make OPR setting again.
Set correctly.
Connect correctly
• Reduce the frequency of
positioning.
• Use the regenerative brake option
of larger capacity.
• Reduce the load.
Review power supply.
Change servo amplifier or
regenerative brake option.
Change the servo amplifier.