Okuma Alarm C-3167 – MCS Encoder Initialization Failure

The Okuma Alarm-C 3167 indicates a failure during the initialization of the MCS encoder with shaft. This means the encoder cannot correctly determine its reference position when the machine starts.

This issue is commonly caused by a defective or misaligned encoder, damaged cables or connectors, or faults within the drive system. In some cases, incorrect parameters or power interruptions during startup can also trigger this alarm.

To resolve the problem, check all encoder connections, inspect the wiring, and verify the mechanical alignment of the encoder. If the error remains, professional diagnostics and repair are recommended to avoid further machine downtime.