dWF1
EEPROM Memory DWEZ Data Error
Yaskawa · V1000 AC Drive
What does dWF1 mean?
This fault indicates an error in the drive's EEPROM peripheral circuit or a problem with the EEPROM data itself, often stemming from a corrupted DriveWorksEZ program saved to the EEPROM. This issue affects the drive's ability to retain critical program data and configuration. If unresolved, the drive will fail to operate correctly or maintain its programmed parameters.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
If the fault persists after initialization, replace the control board or the entire drive unit.
Source: Yaskawa V1000 AC Drive
View Official PDF