Applicable Systems
OSP-P300S
OSP-P300L
OSP-P200
Symptoms
Okuma servo alarm. Error 2021 indicates a servo drive fault. Alarm 2021 is displayed on the Okuma OSP control.
Possible Causes
- Okuma OSP control system fault
- Servo or spindle drive fault
- Program or parameter error
- Mechanical or safety interlock fault
Troubleshooting Steps
- Step 1: Read the alarm message on the Okuma OSP HMI for alarm 2021
Alarm description displayed - Step 2: Refer to the Okuma alarm manual for the specific error code
Alarm cause and remedy identified - Step 3: Investigate the affected subsystem per the diagnostic procedure
Root cause identified - Step 4: Correct the fault and press RESET to clear the alarm
Alarm clears
How to Reset
Correct the fault and press RESET on the Okuma OSP HMI. Refer to the Okuma OSP Alarm Manual for detailed troubleshooting.
Frequently Asked Questions
- Q: What does Okuma alarm 2021 mean?
Servo Alarm 2021: Okuma servo alarm. Error 2021 indicates a servo drive fault.
- Q: How do I clear Okuma OSP alarms?
Correct the underlying fault as described in the alarm message, then press RESET on the Okuma OSP control to clear the alarm.
Source: Okuma OSP Alarm Manual, Okuma Corporation
Category: CNC