KEB E.Puch fault code meaning

Series: F5-B/F5-G

ERROR power unit changed

AC drive

Meaning: Error: Power circuit identification was changed; with a valid power circuit this error can be reset by writing to SY.3. If the value displayed in SY.2 is written, only the power-circuit dependent parameters are reinitialized. If any other value is written, then the default set is loaded. On some systems after writing Sy.3 a Power-On-Reset is necessary.

Possible causes

Source: KEB COMBIVERT F5-B/G Instruction Manual Error Diagnosis P34