15 - 75
MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
Check point Corrective action
Torque limit value
26 176 326 476
OPR torque limit value
86 236 386 536
Torque output setting value
1552 1652 1752 1852
Increase the torque limit value.
— — — —
• Review the power supply capacity.
• Use servomotor which provides larger output.
Positioning gain 1
30113 30213 30313 30413
Increase set value and adjust to ensure proper
operation.
Torque limit value
26 176 326 476
OPR torque limit value
86 236 386 536
Torque output setting value
1552 1652 1752 1852
• When torque is limited, increase the limit value.
• Reduce load.
• Use servomotor that provides larger output.
Input signal logic selection
31 181 331 481
• Review operation pattern.
• Install limit switches.
— — — —
Change the servomotor.
— — — —
Connect correctly.
— — — —
Change servomotor.
Repair or change the cable.
— — — —
Change the communication device (e.g. personal
computer).