E14 displayed and water remains hard even after recent regeneration

Safety first: Shut off water and relieve pressure before opening any tank connections.

• Confirm regeneration: Check the history (if available) to ensure regenerations are occurring as scheduled.
• Test hardness: Use a hardness test kit at a faucet after regeneration. If hardness remains high, suspect resin or brine strength.
• Inspect salt level and type: Ensure the brine tank has adequate clean solar or pellet salt and that there is water in the bottom. Break up any salt crusts.
• Clean injector and brine system: A weak brine draw will under-regenerate the resin. Clean the venturi/injector and brine line as described for brine faults.
• Evaluate resin: If the system is older (10+ years) or exposed to iron, the resin may be permanently fouled. Plan to replace the Lindsay cation resin with the correct cubic foot volume.