Fanuc alarm: OT121 – UNASSIGNED ADDRESS (LOW)

CNC Machine Alarm Error & Message: OT121 – UNASSIGNED ADDRESS (LOW)
Fanuc Alarm Description:
An undefined address (low division) was specified for low-order 4 bits (EIA0 – EIA2) of address signal of external data I/O interface.

Additional Suggestions & Fanuc alarm: OT121 – UNASSIGNED ADDRESS (LOW) Clarification:
None currently

Troubleshooting Recommendations for (Fanuc alarm: OT121 – UNASSIGNED ADDRESS (LOW)) Error Message:
Any additional suggestions or recommendations on the Fanuc alarm: OT121 – UNASSIGNED ADDRESS (LOW) message please post comments below.

Fanuc CNC Control Models Applicable:10/11/12


Fanuc alarm: OT121 – UNASSIGNED ADDRESS (LOW)