Sumitomo E03 fault code meaning

Sumitomo / E03

Series: HF-320

Power module protection (Acc.)

AC drive

Meaning: Same as E01; during acceleration.

Possible causes

Source:

Series: HF430

Over-current protection (On acceleration speed)

AC drive

Meaning: Motor is restricted and decelerates Rapidly, excessive current is drawn through the inverter and there is a risk of damage. Current protection circuit operates and the inverter output is switched off.

Possible causes

Source:

Series: SF-320

Over current protection (at acceleration)

AC drive

Meaning: Same as E01; during acceleration.

Possible causes

Source: