Yaskawa GA700 Error Code dEv

Yaskawa PLC & VFD Major Motor

Model: GA700 | Code: dEv

Applicable Systems
GA700 GA500 A1000 V1000 J1000

Symptoms

Speed deviation too large: actual speed differs from setpoint.

Possible Causes

  • Load too high
  • Speed controller tuning
  • Encoder feedback fault

Troubleshooting Steps

  1. Step 1: Check load torque
    Torque within capability
  2. Step 2: Tune speed controller
    Controller stable
  3. Step 3: Verify encoder feedback
    Signal accurate

How to Reset

Reset via digital operator after speed deviation is corrected.

Related Yaskawa Fault Codes

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Source: Yaskawa GA700 Technical Manual, Yaskawa Electric

Category: PLC & VFD