Fault 4 Brake chopper
Error: 4.1 (0401hex | 1025dec) Description: Overcurrent in brake chopper | ||
|---|---|---|
| Response: Output stage inhibit | |
Cause | Measure | |
Excessive regenerative power. | Decrease deceleration. | |
Short circuit in braking resistor circuit. | Check the supply cable to the braking resistor. | |
The braking resistor impedance is too low. | Check the minimum permitted resistance value of the braking resistor and connect a suitable braking resistor. | |
Error: 4.2 (0402hex | 1026dec) Description: Brake chopper defective | ||
|---|---|---|
| Response: Output stage inhibit | |
Cause | Measure | |
Brake chopper defective. | Contact SEW‑EURODRIVE Service. | |
