16 TROUBLESHOOTING
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16
TROUBLESHOOTING
This chapter explains the identification of the causes and corrective actions when an error occurs.
Perform the troubleshooting in the following order in case of trouble.
Basic checking procedure
Check if there is a corresponding error symptom written in "Error Examples". (
If the corresponding error could not be found, check the cause by following the procedure shown below.
Operating procedure
1.
Check if all the boards installed on a personal computer are displayed with the utility.
•
Page 160 Checking channel numbers
•
Page 160 Checking operations with board diagnostics
2.
Check the LED display of the board.
•
3.
Check the error occurring at the utility.
•
Page 161 Checking operations with tests
•
Page 164 Checking network status with CC-Link IE Field Network diagnostics
•
4.
Check the access target device.
Check whether the system is performing as set on the parameters and programs by checking the performance of link device
communication, or transient transmission/reception.
•
Page 165 Checking communication status with monitoring access target device
5.
Check the user program.
•
Page 157 Checking operation environment
• Check the arguments of the communication function:
MELSEC Data Link Library Reference Manual
• Check the returned values of the communication function:
When an error cannot be solved
If the problem is not solved by the corrective actions described in the manual, refer to the following section and contact us.
Summary of Contents for MELSEC Q80BD-J71GF11-T2
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Page 6: ...4 Disposal Precautions CAUTION When disposing of this product treat it as industrial waste ...
Page 118: ...116 12 MONITORING MEMO ...
Page 140: ...138 14 MELSEC DATA LINK LIBRARY MEMO ...
Page 142: ...140 15 PROGRAMMING 15 1 Precautions on Programming MEMO ...
Page 243: ...241 I U Utility 83 ...
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