Fanuc · Alpha i series AC Servo Motor
The motor has overheated (OHAL), causing its internal thermostat to trip. This indicates that the motor's operating temperature has exceeded safe limits, potentially due to severe conditions or high ambient heat.
Click steps to track your progress.
Investigate and reduce the severity of motor operating conditions.
Verify that the ambient temperature around the motor is within specified limits.
If the alarm recurs after the motor has cooled down, replace the faulty motor or servo amplifier.