Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
A negative sign was used in an invalid location within the program.
Possible Causes
- A minus sign was placed where a positive value is required.
- Programming syntax error in the NC block.
Troubleshooting Steps
- Step 1: Find the incorrectly placed negative sign in the program.
Invalid negative sign located. - Step 2: Correct the sign to match the required value type.
Program accepts the corrected sign.
How to Reset
Correct the negative sign and reset to clear the alarm.
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Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC
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