Fault 20 Device monitoring
Subfault: 20.1 Description: Supply voltage fault | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit System state: Fault acknowledgment with CPU reset | |
Cause | Measure | |
24 V power supply unit overloaded. | Check the project planning for the power demand. | |
The internal electronics supply voltage or externally connected DC 24 V standby supply voltage is outside the permitted voltage range. | Check the voltage level of the external DC 24 V standby supply voltage and check for correct connection. If required, correct. – Acknowledge the fault. – If the fault occurs repeatedly, replace the device. For further support, contact SEW‑EURODRIVE Service. | |
Subfault: 20.8 Description: Fan warning | ||
|---|---|---|
| Response: Warning with self-reset | |
Cause | Measure | |
Fan function impaired. | Check the fan for proper functioning. | |
Subfault: 20.9 Description: Fan fault | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit | |
Cause | Measure | |
Fan defective. | Contact SEW‑EURODRIVE Service. | |