FANUC ALARM SV5136 FSSB:NUMBER OF AMP.IS INSUFFICIENT & SP1220(S) NO SPINDLE AMP.
A concise diagnosis: SV5136 means the control’s FSSB sees fewer amplifier nodes than expected, typically due to FSSB optical link issues, amplifier configuration/parameter mismatch, or a failed servo/spindle module on the fiber ring, while…