Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
A square root or BCD conversion of a negative number was attempted.
Possible Causes
- A macro SQRT or BCD function received a negative argument.
- Variable value unexpectedly negative.
Troubleshooting Steps
- Step 1: Check the argument value for the SQRT or BCD function.
Negative argument identified. - Step 2: Ensure the argument is non-negative.
Macro function executes without error.
How to Reset
Fix the negative argument 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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