A hard crust of salt forms over the water, tricking the sensor or preventing water displacement.
Avoid "rock salt" which contains impurities. Use evaporated salt pellets or solar salt. 40278 water softener full
Once a year, let the salt run low and clean out the bottom of the brine tank to remove sediment. A hard crust of salt forms over the
Only fill the tank about 1/2 to 2/3 full. This prevents the bottom salt from turning into a mushy "sludge" that blocks the intake. 40278 water softener full
Once you have cleaned the nozzle and venturi, start a manual "Extra Regeneration." Watch to see if the water level drops during the "Brine Draw" cycle. Preventing Future 40278 Errors
Internal seals may be leaking water into the brine tank during the softening cycle. Step-by-Step Troubleshooting Guide