Fanuc Series 16/18/21 Alarm 590

Fanuc CNC Major System Alarm

Model: FANUC Series 16/18/21 (16i/18i/21i compatible) | Code: 590

Applicable Systems
Series 0i Series 16/18/21 Alpha Beta

Symptoms

Alarm 590: Tool post interference alarm:+X-axis. This FANUC Series 16/18/21 (including 16i/18i/21i and 160i/180i/210i) CNC system alarm is displayed on the operator panel when the condition occurs.

Possible Causes

  • Refer to the FANUC operator manual for this alarm group
  • Check machine axis, program and system state at the time of the alarm

Troubleshooting Steps

  1. Step 1: Read the alarm number and full message on the CNC display
    Alarm noted
  2. Step 2: Identify the operating mode and program state when the alarm appeared
    Triggering operation identified
  3. Step 3: Consult the FANUC manual for the alarm group (4000-series special alarms)
    Root cause located
  4. Step 4: Apply the corrective action and clear the alarm
    Alarm cleared

How to Reset

Reset: correct the root cause, press CANCEL/RESET on the MDI panel. If it persists, cycle power off/on. Note: 4000-series alarms are specific to FANUC 16i/18i/21i class controls.

Frequently Asked Questions

  • Q: What does alarm 590 on a FANUC 16/18/21 control mean?

    Alarm 590 corresponds to: Tool post interference alarm:+X-axis. It belongs to the FANUC 16/18/21 series (16i/18i/21i compatible) alarm set; consult the machine builder manual for the exact trigger.

Source: CNC Alarms.com - https://cncalarms.com/fanuc-16-18-21

Category: CNC