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FanucGeneral Series CNC
405 — Alarm 405 (*DRDY SIGNAL TURNED ON) Diagnostic Tree
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Detailed troubleshooting steps for the specified alarm (405 - *DRDY SIGNAL TURNED ON) are not available in the uploaded source documents. Please refer to the relevant sections of the Fanuc maintenance manuals (e.g., page 267 of B-61805E/04, page 349 of B-62445E/03, or page 229 of B-61395E/07) or contact an authorized Fanuc service center for the detailed procedure.
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