7115 Alarm [patched] - Fanuc

Defines the serial converter type. For most standard spindle drives (αi, βi series), this should be 0 or 1 . A wrong value here will trigger an immediate 7115 on boot.

: Manually check if the spindle switching contactors are physically moving or if they are "sticky." Listen for the click of the relays when commanding a speed range change. fanuc 7115 alarm

Timing Issues: Occasionally, if a safety device transitions too slowly between states, the two channels may briefly disagree, tripping the latching alarm. Step-by-Step Troubleshooting Guide Defines the serial converter type