Mitsubishi Electric MELSEC-Q QD75M User Manual page 702

15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3
Motor type
30102 30202 30302
Motor capacity
30103 30203 30303
Motor rotation speed
30104 30204 30304
— — —
— — —
— — —
— — —
— — —
Regenerative brake option
30102 30202 30302
— — —
— — —
Check point
Axis 4
30402
30403
30404
—
—
Alarm (A.32) occurs if power is
switched on after disconnection
—
of the U, V, W phase power
cables.
—
—
30402
—
—
Set correctly ( Pr.103 to Pr.105 ).
Change servomotor.
Correct the U, V, W phase wiring of the servo
amplifier.
Change the servo amplifier.
Correct the U, V, W phase wiring of the servo
amplifier.
Take noise suppression measures.
• Change lead.
• Connect correctly.
Set correctly.
• Change lead.
• Connect correctly.
Change the servo amplifier.
• For wire breakage of built-in regenerative brake
resistor, change the servo amplifier.
• For wire breakage of regenerative brake option,
change regenerative brake option.
Add regenerative brake option or increase
capacity.
Review the power supply.
Connect correctly.
Change the SSCNET cable.
Take measures against noise.
Connect terminal connector.
Set correctly.
15 - 39
MELSEC-Q
Corrective action