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MELSEC-
6   TROUBLESHOOTING 
 
6 TROUBLESHOOTING 
This chapter explains troubleshooting. 
 
6.1 Station Status at Error Occurrence 
The following table indicates the station status at error occurrence. 
 
CC-Link Master Station  CC-Link/LT Remote I/O Station 
Error Condition 
Input 
RX 
Output 
RY 
Input Output 
When a communication error occurs 
between the CC-Link master station 
and AJ65SBT-CLB 
Clear/hold 
1 Continue  Continue Clear/hold 2 
When a communication error occurs 
between the AJ65SBT-CLB and 
CC-Link/LT remote I/O station 
Clear Continue Continue Clear/hold 
2 
1: Depending on the switch setting of the CC-Link master station. 
2: Depending on the switch setting of the CC-Link/LT remote I/O station. 
 
 
 
 
 
 
 
 
 
 
 
 
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