Troubleshooting steps
Check network connections, verify controller communication, reset network
Robot Error Codes
Yaskawa A39 – Communication fault
Communication fault
Details
Yaskawa A39 error on DX, YRC series indicates communication fault. Network communication error, controller communication failure. Check network connections, verify controller communication, reset network.
Error typecommunication
MeaningCommunication fault
Typical causesNetwork communication error, controller communication failure
SolutionsCheck network connections, verify controller communication, reset network
SeverityMedium
Catalog references
Where this appears
YaskawaA39
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What does A39 mean on Yaskawa robot?
A39 on Yaskawa DX, YRC series indicates communication fault. Network communication error, controller communication failure.
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