Fanuc alarm
The spindle amplifier saw a very high current in its power section.
The spindle amplifier saw a very high current in its power section. Spindle amplifier alarm 12. It often points to a shorted motor, cable or power module.
Lock out the machine before reaching into it. Never bypass a door switch or interlock to clear an alarm.
This needs a tech to test the motor windings and the amplifier.
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The spindle amplifier saw a very high current in its power section. Spindle amplifier alarm 12. It often points to a shorted motor, cable or power module.
Coolant in the spindle motor or terminal box. Damaged spindle motor cable. Failed power transistors in the amplifier. Wrong spindle parameters after a swap.
Don't keep resetting it. Each try can do more damage. Look for coolant and damage at the spindle motor and cable. Write down the amp display and the alarm history. This needs a tech to test the motor windings and the amplifier.
Alarm numbers and text can differ by control model, software version and machine builder. This page is a starting point from people who have worked on these machines, not a replacement for your machine builder's manual.
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