SEW 3 fault code meaning
SEW / 3
Series: MOVITRAC 31C
Brake chopper
AC drive
Meaning: Immediate switch-off | Regenerative power too high Braking resistor circuit interrupted Short-circuit in the braking resistor circuit Braking resistance value too high Faulty brake chopper | Increase deceleration ramps. Check connecting leads of the braking resistor. Check technical data of the braking resistor. ® Exchange MOVITRAC 31C.
Possible causes
Source: SEW MOVITRAC 31C Operating Instructions Fault signals P52