Fault 20 Device monitoring
Error: 20.1 (1401hex | 5121dec) Description: Supply voltage fault | ||
|---|---|---|
| Response: Warning System state: Fault acknowledgement with CPU reset | |
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: 20.7 (1407hex | 5127dec) Description: Internal hardware fault | ||
|---|---|---|
| Response: Warning System state: Fault acknowledgement with CPU reset | |
Cause | Measure | |
Fault in device hardware. | – Acknowledge the fault. – If the fault occurs repeatedly, replace the device. | |
Error: 20.31 (141Fhex | 5151dec) Description: Supply voltage on gateway overloaded | ||
|---|---|---|
| Response: DC 24 V switch off gateway station | |
Cause | Measure | |
The connected CBus stations overload the DC 24 V supply voltage at the gateway. | – Check the cabling. – Reduce the number of CBus stations. | |
