WRO_ Recirculation Valve Open Error (Alarm)
To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.
| Cause | Solution |
| No power to the FCM module | Verify that the module has power. |
| Unplug proximity sensor or solenoid valve | Plug in proximity sensor or solenoid valve. |
| Damaged proximity sensor or solenoid valve | Replace damaged hardware. |
| Valve stuck in current position | Clean valve. If necessary, replace the valve. |