Spindle Amplifier Alarm Cannot Be Cleared (15i)

What does SP0983 mean?

An alarm on the spindle amplifier side for Series 15i could not be cleared. This may indicate a persistent fault or an issue preventing the alarm reset command from being processed.

• Persistent hardware fault within the spindle amplifier preventing alarm clearance.
• External device or sensor signal holding the amplifier in an alarm state.
• Incorrect alarm reset procedure being followed.
• Internal software lock-up preventing alarm acknowledgement.
• Overload condition that has not been physically resolved.

Click steps to track your progress.

1. 1

   Manually inspect all external sensors and interlocks connected to the spindle amplifier.

2. 2

   Attempt to clear the alarm using the CNC's specific alarm reset function (e.g., M122).

3. 3

   Power cycle the spindle amplifier only, then attempt alarm reset.

4. 4

   Check the specific alarm code displayed on the amplifier's status LED or interface.

5. 5

   Verify that the spindle motor is physically free to rotate and not mechanically bound.