RainSoft Gear Train / Motor Noise

Softener makes loud clicking or grinding noises during regeneration

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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

Worn or broken cam gears, Loose motor mounting, Debris in gear teeth, Failing motor bearings

How to Fix / Troubleshooting

Safety: Unplug the unit before removing the control cover.

  • 1. Localize noise: Start a manual regeneration and listen closely to identify whether the noise comes from the motor/gear area or the valve body.
  • 2. Inspect gears: Remove the cover and visually inspect the cam gears for missing teeth, cracks, or misalignment.
  • 3. Tighten mounts: Ensure the motor and gear housing screws are tight and that the assembly is not vibrating against the control housing.
  • 4. Replace worn parts: Install a new RainSoft motor and gear kit if gears are damaged or the motor is noisy.

Note: Do not lubricate gears with petroleum products unless specified by RainSoft; use only approved lubricants.

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Repair Difficulty

Medium 3/5

Required Part

RainSoft control valve motor and gear kit
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