Tag: alarm-code

All the articles with the tag "alarm-code".

• Fanuc Alarm 300: APC Battery Low — Absolute Encoder Battery Fix

  26 Apr, 2026

  Fanuc Alarm 300 means the absolute encoder battery is low or dead. Replace the 3V lithium battery fast — a dead battery wipes home position and forces re-homing.

• Haas Alarm 128: Tool Change Error - Causes and Fixes

  22 Apr, 2026

  Haas Alarm 128 tool change error causes, reset steps, and repair guidance for VF, TM, and ST series CNC machines.