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MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
Check point Corrective action
— — — —
Use the regenerative brake option.
Regenerative brake option
30102 30202 30302 30402
Set correctly.
• Change lead.
• Connect correctly.
Change base unit.
For wire breakage of regenerative brake option,
change regenerative brake option.
— — — —
Review the power supply.
Connect correctly.
Change the SSCNET cable.
Take measures against noise.
Connect terminal connector.
— — — —
Set correctly.
Review operation program.
Take measures against noise.
— — — —
Change the QD75M.
Connect the connector of the SSCNET cable.
Change the SSCNET cable.
Change the interface unit.
— — — —
Connect terminal connector.
Change the interface unit.
— — — —
Change the IFU parameter value to within the
setting range.
Change the drive unit.
— — — —
Change the DRU parameter value to within the
setting range.
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