Table 20 LED Fault Display for CC-Link Option with a Single Drive
L.RUN
SD
RD
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
YASKAWA ELECTRIC TOBP C730600 83C YASKAWA AC Drive Option SI-C3 Installation Manual
L.ERR
×
Normal communications
Error has occurred but communication
is normal.
Problem with the hardware
×
Problem with the hardware
CRC error with the data received, and
no response can be sent
×
No station address received
Problem with the hardware
×
Problem with the hardware
A response was received after polling,
but a CRC error occurred when the
reflex data was checked.
×
Problem with the hardware
Problem with the hardware
×
Problem with the hardware
CRC errors occurs when the station
address is checked.
• No station address
×
• Cannot receive station address due to
electrical noise interference
: On / : Flashing / ×: Off / ∗: Either on or off
Cause
9 Troubleshooting
Possible Solution
–
Remove the source of electrical
noise interference.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Remove the source of electrical
noise interference.
Check the PLC program and the
operation where the problem occurred.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Remove the source of electrical
noise interference.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
See if the master device is actually
set to function as a remote device
station.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Try cycling the power.
Replace the CC-Link Option if the
problem continues.
Remove the source of electrical
noise interference.
Remove the source of electrical
noise interference.
53
Need help?
Do you have a question about the CC-Link and is the answer not in the manual?