Fanuc Alarm SV5311 FSSB : ILLEGAL CONNECTION
Fanuc Alarm Description
1. This alarm is issued if axes, whose servo axis numbers (parameter No. 1023) are even and odd numbers, are allocated to the amplifiers connected to the FSSBs of different paths.
2. This alarm is issued if an attempt is made to set up for use of the Separate Detector I/F Units connected to the FSSBs of different paths. And the system did not satisfy the requirements for performing HIGH SPEED HRV control.