9 troubleshooting – Yaskawa 1000 Series Drive Option - CC-Link Technical Manual User Manual
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9 Troubleshooting
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YASKAWA ELECTRIC SIEP C730600 44A YASKAWA AC Drive-Option Card CC-Link Technical Manual
■
Faults that Occur with a Single Drive
The example below demonstrates how to read the LED display on the front cover of the drive to determine the cause of a fault and corrective action.
Figure 11
Figure 11 Connecting a Single Drive
Table 16 LED Fault Display for CC-Link Option with a Single Drive
Note: SD and RD may appear to flash with slower baud rates.
{: On / : Flashing /
×: Off / ∗: Either on or off
L.RUN
SD
RD
L.ERR
Cause
Possible Solution
{
{
{
×
Normal communications
–
{
{
{
Error has occurred but communication is normal
⇒Remove the source of noise interference.
{
{
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
{
{
×
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
{
×
{
CRC error with the data received, and no response can be
sent
⇒Remove the source of noise interference.
{
×
{
×
No station address received
⇒Check the PLC program and the operation where the problem occurred.
{
×
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
{
×
×
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
×
{
{
A response was received after polling, but a CRC error
occurred when the reflex data was checked
⇒Remove the source of noise interference.
×
{
{
×
Problem with the hardware
⇒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.
×
{
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
×
{
×
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
×
×
{
CRC errors occurs when the station address is checked.
⇒Remove the source of noise interference.
×
×
{
×
• No station address
• Cannot receive station address due to noise interference
⇒Remove the source of noise interference.
×
×
×
Problem with the hardware
⇒Try cycling the power.
Replace the CC-Link Option if the problem continues.
×
×
×
×
Data cannot be received (CC-Link communications cable
may be disconnected)
⇒Check the wiring.
×
×
∗
{
The station address or communications speed is set
incorrectly
⇒Enter the proper settings and cycle power.
{
{
{
The station address or communications speed was changed
without cycling power afterwards.
⇒Return any incorrect settings to their original values and cycle power.
⇒Enter the proper settings and cycle power.
Power
supply
CPU
Master
device
Station 1
DRIVE
CC-Link
Option