15 - 77
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 interface unit is
changed
.
Change the base unit.
— — — —
Alarm (A.10) occurs if base unit is
changed.
Change the interface unit.
— — — —
Connect correctly.
— — — —
Alarm (any of A.12 to 15) occurs if
power is switched on after
disconnection of all cables but the
control circuit power supply cables.
Change the interface unit.
— — — —
Alarm (any of A.12 to 15) occurs if
power is switched on after
disconnection of all cables but the
control circuit power supply cables.
Change the drive unit.
Connect correctly.
Change the drive unit.
— — — —
Repair or change the cable.
— — — —
Alarm (A.17) occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
Change the drive unit.
— — — —
Alarm (A.19) occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
Change the interface unit or drive unit.
— — — —
Use correct combination.
— — — —
Connect correctly.