Okuma OSP-P300S/P300L Alarm 3173 (Alarm-C)

Okuma CNC Critical Overload

Model: OSP-P300S/P300L | Code: 3173

Applicable Systems
OSP-P300S OSP-P300L OSP-P200

Symptoms

Alarm 3173: MCS Motor overheat. The CNC system displays this alarm on the operator panel.

Possible Causes

  • Excessive mechanical load or friction on the affected axis
  • Insufficient cooling or lubrication
  • Servo amplifier or motor thermal protection triggered

Troubleshooting Steps

  1. Step 1: Read alarm 3173 on the CNC display and note the full alarm message
    Alarm code and description displayed for diagnosis
  2. Step 2: Check the machine status and identify any obvious mechanical, electrical, or pneumatic issues
    Visible faults identified or confirmed as intermittent
  3. Step 3: Consult the manufacturer manual for alarm-specific troubleshooting procedures
    Root cause identified per manufacturer guidelines
  4. Step 4: Apply the recommended fix and reset the alarm
    Alarm cleared and machine resumed normal operation

How to Reset

To reset alarm 3173: 1) Address the root cause. 2) Press the RESET key on the CNC panel. 3) If the alarm persists, cycle power to the control. Caution: Repeated alarms without fixing the cause may cause damage.

Frequently Asked Questions

  • Q: What does alarm 3173 mean?

    Alarm 3173 indicates: MCS Motor overheat. Follow the troubleshooting steps to resolve the issue.

Related Okuma Fault Codes

Source: HelmanCNC.com - https://www.helmancnc.com/okuma-alarm-c-list/

Category: CNC