This could be due to several things. The system may not be drawing brine (salty water), there could be a salt bridge (solidification of salt in brine tank),or the resin could be worn out. Start by checking the salt tank, if it looks like the salt has solidified, use a broomstick or piece of pipe to break up the salt. A rubber mallet can also be used to beat on the sides of the tank, thus breaking up the salt. As far as the other possibilities are concerned, it would be wise to contact a licensed professional.
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This could be due to several things. The system may not be drawing brine (salty water), there could be a salt bridge (solidification of salt in brine tank),or the resin could be worn out.
Start by checking the salt tank, if it looks like the salt has solidified, use a broomstick or piece of pipe to break up the salt. A rubber mallet can also be used to beat on the sides of the tank, thus breaking up the salt.
As far as the other possibilities are concerned, it would be wise to contact a licensed professional.