Fanuc Alarm 157: TOO MANY TOOL GROUPS
Fanus Control Model: 16i / 18i series, 21 / 21i series
Description
Each control model has a defined number of tool groups. This alarm is displayed when this number exceeds the machine’s limit. If the programmer does not delete unnecessary tool groups, the control stops the machine’s operation.
How to Fix Alarm
Delete unused or duplicate tool groups by checking the list of tool groups.
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