AL 20 troubleshooting answers
1 question with answers cited from the manufacturer manuals.
- 0Mitsubishi MR-J4 AL.20: Encoder normal communication error 1 while running, what to check?
The AL.20 alarm on a Mitsubishi MR-J4 servo amplifier indicates an encoder normal communication error 1, meaning an error occurred in the communication between the encoder and the servo amplifier after start-up. This typ…