The most common reason might be the impossibility to draw brine from the tank.
Water softener valve stuck.
Plumbing and piping water softener ball valve stuck https flic kr p 2j1uodp plumber installed my softener 10 years ago.
An abnormally high water level in a brine tank often suggests a brine line malfunction stuck float or a damaged valve.
Finally remove the caps on both sides of the softener head.
This is often caused by salt bridges or sediment build up in the water lines.
If this is the case it may be possible for a do it.
There are a few reasons why your water softener keeps running over and over again.
There are a few simple water softener maintenance tips to help determine the cause of an overflow and how to resolve it.
To restore the water softener bypass valve back to its prior position such as restoring the water softener to in use simply push on the now protruding knob found on the other end or other side of the bypass valve.
The next step is to release the water pressure.
The motor of a water softener may fail and become stuck in one cycle.
This can affect the water softener s ability to create suction for the brine cycle.
A common problem with a water softener is the injector sometimes becomes blocked with salt in order to fix this activate the softener bypass valve first as this will shut off the water.
If there are large amounts of iron in the water a solvent that can dissolve iron such as iron out may need to be used.
Next relieve the water pressure by running the softener through a manual regeneration.
How to fix a leaky or stuck water softener bypass valve.
Thoroughly clean the injector right side of the head and the injector screen left side.
To clean it first engage the softener s bypass valve to shut off the water.
The result is the softener cannot regenerate properly and you will get hard water.
I regularly bypass the softener to fill up a 5 gallon jug.