Fanuc · Series 0i-MODEL F Plus Parameter
This alarm is issued when bit 0 (PWE) of setting parameter No. 8900 is set to 1. It indicates that the parameter write enable switch is active, allowing changes to parameters. This state is often intentional during maintenance but can cause unintended modifications if left active.
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Check the state of bit 0 (PWE) of parameter No. 8900 to confirm it is set to 1.
Clear the alarm by turning on the external reset after parameter modifications are complete.