Culligan
Valve Stuck in Backwash or Rinse
Softener is stuck in regeneration and continuously runs water to drain
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Seized drive motor, Broken cam gear, Jammed piston, Control board not advancing cycle
How to Fix / Troubleshooting
Safety: Immediately place the unit in bypass to stop water waste, then disconnect power.
- Inspect drive assembly: Remove the control cover and observe the motor and cam. Look for broken gears or a motor that is not turning.
- Manually index valve (if possible): Some Culligan valves allow manual rotation of the cam to move the valve back to service. Do this only with water off and pressure relieved.
- Check for piston binding: Remove the piston/seal pack and inspect for debris or damage. Clean and lubricate as needed.
If the valve will not return to service or immediately re-enters regeneration, the motor or control board likely needs replacement.
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Repair Difficulty
Hard
4/5
Required Part
Culligan drive motor and cam assembly
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