FANUC codes
FANUCProgram/G-codeBasic5-10 minutes

017

Fanuc Alarm 017 - Negative Value Not Allowed

No -Ve Entry Allowed

Fanuc alarm 017: No -Ve Entry Allowed. This alarm indicates a fault condition detected by the Fanuc control. Refer to the alarm number and name to identify the specific system or function involved.

Root Cause Summary

Alarm 017 occurs when a negative value is entered in a field or parameter that only accepts positive values or zero. This is typically caused by incorrect manual data input, programming errors with negative signs, or attempting to enter a negative value for parameters like tool numbers, sequence numbers, or certain axis positions that must be positive.

Safety

  • Program will not execute

Causes and Fixes

  1. 1

    Press the RESET button to clear the alarm.

  2. 2

    Review the current screen where data entry was attempted and identify which field triggered the alarm.

  3. 3

    Re-enter the value as a positive number or zero, removing any negative sign.

  4. 4

    If a negative value is genuinely required for the application, verify you are entering it in the correct field or parameter that accepts negative values.

Service Recommended confidence

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