Fault 20 Device monitoring
Error: 20.1 (1401hex | 5121dec) Description: Supply voltage fault | ||
|---|---|---|
| Response: Remote – critical fault | |
Cause | Measure | |
Internal electronics supply voltage or externally connected DC 24 V supply voltage not within permitted voltage range. | – Check the voltage level of the external DC 24 V supply voltage and check for correct connection. – Acknowledge the fault. – If the fault occurs repeatedly, contact SEW‑EURODRIVE Service. | |
24 V power supply unit overloaded. | Check the project planning for the power demand. | |
Error: 20.8 (1408hex | 5128dec) Description: Fan – warning | ||
|---|---|---|
| Response: Remote – warning with self-reset | |
Cause | Measure | |
Fan function impaired. | – Check fan for dirt. – If the warning occurs repeatedly, contact SEW‑EURODRIVE Service. | |
Error: 20.9 (1409hex | 5129dec) Description: Fan – fault | ||
|---|---|---|
| Response: Remote – standard fault | |
Cause | Measure | |
The fan is defective. | Contact SEW‑EURODRIVE Service. | |
