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Error
code
Error message
Action
• Check if terminating resistors are connected.
851
Abnormal cyclic transmission
status
• Check error codes for the PLC CPU.
• Check the parameter for the PLC CPU on the master station.
• Check the error status of the master station.
• Refer to explanations of SB006E on the applicable network manual.
852
Abnormal host line status
853
Transient error
• Check if the cable is unplugged or not.
• Refer to explanations of SB0090 on the applicable network manual.
• Check the transient error occurrence status for each station stored in
SW0094 to SW0097.
• Refer to explanations of SB0094.
*1
18 - 20
When an error occurs, "FFH" is stored to the channel No.
18. TROUBLESHOOTING
18.2 Error Message and System Alarm
Channel No.
storage