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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 30-120 minutes
Siemens 300862 - Axis drive emergency retraction mode/generator mode already
Emergency retraction or generator mode already active Control reaction: Interface signals are set. Alarm display.
300862
Siemens 300862 - Axis drive emergency retraction mode/generator mode already
Axis drive emergency retraction mode/generator mode already
Emergency retraction or generator mode already active Control reaction: Interface signals are set. Alarm display.
Safety
- Drive/power/encoder circuit: hazardous voltages may remain in the DC link after power-off. Lock out / tag out, wait for discharge per the drive documentation, and use qualified personnel only.
Common Causes
- Emergency retraction or generator mode already active
Troubleshooting Steps
- 1Please inform the authorized personnel/service department.
- 2Check parameterization/machine data.
- 3Alarm display showing cause of alarm disappears. No further operator action necessary
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Always verify with your machine manual or a certified technician before performing service procedures.