Fault 29 HW limit switch
Error: 29.1 (1D01hex | 7425dec) Description: Positive limit switch hit | ||
|---|---|---|
| Response: HW limit switch – current drive train | |
Cause | Measure | |
Positive hardware limit switch hit. | – Check the wiring of the hardware limit switch. – Check the target position. – Leave the hardware limit switch in the opposite direction. | |
Error: 29.2 (1D02hex | 7426dec) Description: Negative limit switch hit | ||
|---|---|---|
| Response: HW limit switch – current drive train | |
Cause | Measure | |
Negative hardware limit switch hit. | – Check the wiring of the hardware limit switch. – Check the target position. – Leave the hardware limit switch in the opposite direction. | |
Error: 29.3 (1D03hex | 7427dec) Description: Limit switch missing | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit | |
Cause | Measure | |
Positive and negative hardware limit switches hit at the same time. | – Check the wiring of the hardware limit switches. – Check the parameter setting of the digital inputs. – Check the parameter setting of the process output data. | |
Error: 29.4 (1D04hex | 7428dec) Description: Limit switches swapped | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit | |
Cause | Measure | |
The fault can be caused as follows: – The positive hardware limit switch was hit with a negative direction of rotation or – The negative hardware limit switch was hit with a positive direction of rotation. | Check whether the hardware limit switch connections are swapped. | |
