YASKAWA CC-Link Installation Manual page 53

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.
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