Yaskawa GA700 Error Code oC

Yaskawa PLC & VFD Critical Overcurrent

Model: GA700 | Code: oC

Applicable Systems
GA700 GA500 A1000 V1000 J1000

Symptoms

Overcurrent detected: output current exceeds trip limit.

Possible Causes

  • Motor cable short
  • Motor winding short
  • Acceleration time too short

Troubleshooting Steps

  1. Step 1: Disconnect motor and power on
    Fault clears without load
  2. Step 2: Megger test motor
    Insulation > 1 MOhm
  3. Step 3: Increase acceleration time
    No overcurrent trip

How to Reset

Reset via digital operator or auto-reset after repair.

Source: Yaskawa GA700 Technical Manual, Yaskawa Electric

Category: PLC & VFD