Mitsubishi Electric MELSEC-QD75MH1 User Manual page 750

15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
— — — —
In-position range
30110 30310 30510 30710
Creep speed
226, 376, 526,
76, 77
227 377 527
— — — —
— — — —
— — — —
— — — —
— — — —
Refer to Section
5.2.7 to 5.2.10
Forced stop input selection
30104 30304 30504 30704
Forced stop valid/invalid
selection
35 — — —
— — — —
Servo
amplifier
status of Check point
the warning
occurrence.
Servo ON
continued
Call the status display
and check regenerative
load ratio.
Refer to error code
(2050, 2051) (Refer to
Section 15.2.3)
• Servo ON
continued
• Home
position
request On
Servo ON
continued
Check continuity status
Servo OFF
of the external device
connection cable.
Servo ON
continued
Repair cable or battery changed.
Change battery.
Remove the cause of droop pulse occurrence.
Reduce creep speed.
Change battery.
• Reduce frequency of positioning.
• Change regenerative brake option for the one with
larger capacity.
• Reduce load.
Refer to error code (2050, 2051) (Refer to Section
15.2.3)
Take noise suppression measures.
Change servomotor.
Set the parameter properly.
Check for safety and release the forced stop.
• Check for safety and release the forced stop.
• Repair cable or battery changed.
Change QD75MH.
Change the cooling fan of the servo amplifier.
Change servo amplifier.
15 - 57
MELSEC-Q
Corrective action