EEPROM Memory Data Error

What does CPF06 mean?

An error has occurred in the data stored in the drive's EEPROM (Electrically Erasable Programmable Read-Only Memory), or the power supply was unexpectedly cut off while parameters were being saved. This can result in corrupted drive settings, incorrect operation, or the drive defaulting to factory settings, posing a risk to consistent machine control.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If the problem persists after reinitialization, contact Yaskawa technical support to replace either the control board or the entire drive unit.