If the tank is physically overflowing with water, you need to remove the excess before the system can reset:
A clogged BLFC button or a stuck brine valve can prevent the system from accurately controlling how much water enters the tank. 40278 water softener full
The error is usually a cry for maintenance. By cleaning your venturi and checking for drainage issues, you can usually get your soft water back without a costly service call. If the tank is physically overflowing with water,