| Problem | Probable Cause | Remedy |
|---|---|---|
| The data collection system does not receive data. | Improper or loose connections. | Check the wiring and tighten the screw terminals. |
| Shaft heating of WAC151 and WAV151 is not working. | Improper or loose connections. | Check the wiring and tighten the screw terminals. |
| Heating is not connected. | Check the connections. |