Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
Z axis negative overtravel detected, exceeding the negative software or hardware limit.
Possible Causes
- The Z axis moved beyond the negative travel limit.
- Program error or incorrect work offset.
Troubleshooting Steps
- Step 1: Manually move the Z axis back within the travel limit.
Z axis moved to within limits. - Step 2: Check and correct the program or offset causing the overtravel.
Root cause identified and corrected.
How to Reset
Move the Z axis back within limits and reset to clear the alarm.
Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC