CPF03

EEPROM Fault

Yaskawa · E7 Drive

What does CPF03 mean?

An EEPROM fault was detected, meaning the checksum is not valid, potentially due to noise or spikes on the control circuit input terminals. This critical memory fault can lead to incorrect parameter storage or drive operation.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Replace the control board.

Source: Yaskawa E7 Drive
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