Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
Parenthesis nesting depth exceeded the maximum allowed in a macro.
Possible Causes
- Macro expressions have more nested parentheses than permitted.
- Complex expression exceeding nesting limit.
Troubleshooting Steps
- Step 1: Simplify the macro expression to reduce nesting.
Excessive nesting identified. - Step 2: Break the calculation into multiple steps.
Macro executes with reduced nesting.
How to Reset
Reduce parenthesis nesting 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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