Yaskawa oFb11: Option card fault (CN5-B)

Yaskawa PLC & VFD Major plc

Model: A1000 | Code: oFb11

Applicable Systems
GA700 GA500 A1000 V1000 J1000

Symptoms

Fault detected in option card 11 on port B.

Possible Causes

  • Option card defective
  • Option card connection
  • Incompatible option

Troubleshooting Steps

  1. Step 1: Replace or reseat option card on CN5-B.
    Fault cleared after corrective action

How to Reset

Reset via operator keypad after resolving root cause.

Related Yaskawa Fault Codes

Source: Yaskawa A1000 Series Technical Manual (Alarm/Fault List), mirrored by gzjunkong.com & xuxingda.com

Category: PLC & VFD