I've had this problem persist across two return pumps and it's making me tear my hair out trying to figure it out.
At completely random intervals (ranging from a day or so to several weeks), my return pump (Varios S2) will lose efficiency and flood my sump. When this happens, water level in the overflow box drops and sump raises. This is not caused by:
At completely random intervals (ranging from a day or so to several weeks), my return pump (Varios S2) will lose efficiency and flood my sump. When this happens, water level in the overflow box drops and sump raises. This is not caused by:
- My ATO (water level in reservoir stays constant)
- My overflow box (the weirs are clean, and the drain has had no screen on it since I've tried troubleshooting it)
- My drain (drain line is completely clear, gate valve has remained at a constant setting)