15 - 57
MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
Check point Corrective action
— — — —
Reconsider the power supply voltage.
— — — —
Alarm (A.10) occurs if power is
switched on after disconnection of
the CN1A, CN1B and CN3
connector.
Change the servo amplifier.
— — — —
Alarm (any of A.12 to 13,15) occurs if
power is switched on after
disconnection of CN1A, CN1B and
CN3 connector.
Change the servo amplifier.
Connect correctly.
Change the servomotor.
— — — —
Repair or change the cable.
— — — —
Alarm (A.17, A.19) occurs if power is
switched on after disconnection of
the CN1A, CN1B and CN3
connector.
Change the servo amplifier.
— — — —
Use correct combination.
Connect correctly.
Change the servomotor.
— — — —
Repair or change the cable.
— — — —
Change the cable.
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.