Yaskawa h1000 fault code is PF, urgently, thank you, SGDV-1R6A01A

Which alternative is E3MC-A11 discontinued?CJ2H-CPU67-EIP
E3MC-A11 discontinued, with which products instead? What's the difference between alternatives?

R88D-GT08H-Z 200V servo error 21
Excuse me engineer. I have a servo R88D-GT08H-Z 200V, with the motor is R88M-G75030H-S2-Z, a power transmission On the error 21, the replacement of the encoder cable, but the error is reported to 21,