Key Takeaways:

• Check the Salt: The #1 cause of problems is simply an empty brine tank or a "salt bridge."
• Check the Bypass: Ensure the system hasn't accidentally been put into "Bypass" mode.
• Listen: Constant running water sounds can indicate a stuck valve or a leak.
• Power: Verify the unit is plugged in and the screen is on. A power outage might have reset the clock.

A modern water softener is very reliable, but occasionally you might run into an issue. Here are a few of the most common problems and some simple things you can check yourself.

Problem 1: My water is hard, but the system seems to be running.

• Check the Salt: This is the #1 cause. Is there salt in the brine tank? Don't just peek at the top; the salt level should be at least 1/3 full.
• Check for a Salt Bridge: Is the salt level not going down? You may have a hard crust or "salt bridge" inside the tank. Carefully use a broom handle to poke at the salt. If it's a solid crust, break it up. (See our guide on fixing a salt bridge).
• Check the Bypass Valve: Most softeners have a bypass valve on the plumbing behind the unit. Make sure it's in the "Service" position, not "Bypass."

Problem 2: The softener is constantly running or making noise.

• Is Water Flowing to the Drain? If you hear water constantly running, it could be a sign that a seal or piston inside the control valve has failed and is stuck in a regeneration cycle.
• Check for Leaks: Look for any visible drips around the system or on the floor.
• Power Cycle the Unit: Try unplugging the softener for a minute and plugging it back in. This can sometimes reset the control board if it has a minor glitch.

Problem 3: The brine tank is full of water.

• Is the Drain Line Kinked or Clogged? The system needs to be able to suck the brine out of the tank and send it to the drain. Make sure the small drain line isn't pinched or blocked.
• Is the Brine Line Connected? Ensure the small tube from the control valve to the brine tank is securely connected at both ends.
• Safety Float Issue: The brine tank has a safety float that is supposed to shut the water off. This could be stuck or faulty.

When to Call a Pro

If you've checked these simple things and are still having problems, it's time to call a licensed specialist. Internal issues with the control valve, injector, or control board require professional diagnosis and repair. Trying to fix these yourself can often cause more damage. A quick service call can get your water softener back up and running efficiently.

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Reviewed by Sai Akash Tumu, TCEQ Licensed Water Treatment Specialist (#WT0007448). Our approach is to educate first. For a personalized assessment, contact us for a free consultation.

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Disclaimer: This guide is for informational purposes only. Water conditions vary, and we recommend a professional on-site water test for an accurate solution. This is not medical advice. Read full disclaimer >