Yaskawa GA700 Error Code CPF04

Yaskawa PLC & VFD Major Parameter

Model: GA700 | Code: CPF04

Applicable Systems
GA700 GA500 A1000 V1000 J1000

Symptoms

Inverter EEPROM fault: parameter storage failure.

Possible Causes

  • Internal hardware failure
  • Firmware corruption
  • Component aging

Troubleshooting Steps

  1. Step 1: Power cycle the inverter
    Fault may clear if transient
  2. Step 2: Check firmware version
    Firmware up to date
  3. Step 3: Replace control board if persistent
    New board initializes correctly

How to Reset

Power cycle; replace control board if fault persists.

Related Yaskawa Fault Codes

Source: Yaskawa GA700 Technical Manual, Yaskawa Electric

Category: PLC & VFD