Troubleshooting steps
Check network connections, verify controller communication, reset network
Robot Error Codes
FANUC ALARM 57 – Communication fault
Communication fault
Details
FANUC ALARM 57 error on R-30iA, R-30iB 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
FANUCALARM 57
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What does ALARM 57 mean on FANUC robot?
ALARM 57 on FANUC R-30iA, R-30iB indicates communication fault. Network communication error, controller communication failure.
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