22
EEPROM checksum fault
Vacon · NXS NXP AC Drive
What does 22 mean?
A parameter save fault has occurred, indicating an issue with storing or verifying data in the drive's EEPROM (Electrically Erasable Programmable Read-Only Memory). This can be caused by faulty operation or a component failure within the control unit. Incorrect parameters can lead to unpredictable drive behavior or failure to operate correctly.
Source: Vacon NXS NXP AC Drive
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