BROKEN LED(INT)

What does 365 mean?

This alarm on Fanuc Series 0i-D/0i Mate-D with αi/βi Pulsecoders indicates an LED disconnection within the built-in Pulsecoder. This typically points to an internal failure of the Pulsecoder's optical components.

• Internal failure of the Pulsecoder's LED component.
• Degradation of the Pulsecoder's optical system.

Click steps to track your progress.

1. 1

   Visually inspect the Pulsecoder for any external physical damage or signs of impact.

2. 2

   Verify that the Pulsecoder cable is securely connected at both the Pulsecoder and the servo amplifier.

3. 3

   Check the diagnostic LEDs or alarm codes on the servo amplifier for additional information.

4. 4

   If the alarm persists after verifying connections and no external damage is visible, replace the Pulsecoder unit.