Troubleshooting of servo alarm AL.082

The main reason for the AL.082 alarm in the servo is generally due to a short circuit between U/V/W. Short circuits are commonly caused by damage to the driver, internal short circuits in the power line insulation, metal shavings in the terminal joint, and phase to phase short circuits caused by overheating and over current damage to the servo motor. The problem can be quickly located by referring to the following flowchart.

Note that when the AL.082 fault occurs, there is usually irreparable damage to the driver, motor, or wire. Before going to the customer's site to solve the problem, it is advisable to bring a new set of servos better.