E06 error and the softener regenerates at incorrect intervals or not at all based on usage.

Safety first: Work with dry hands when accessing the control panel. No plumbing disassembly is usually required for this error.

Step-by-step:

• 1. Verify programming: Enter the installer menu and confirm water hardness, resin capacity, and reserve settings match your AquaHouse model and local water test results.
• 2. Reset meter data: Use the control menu to clear usage history or perform a factory reset, then reprogram all parameters.
• 3. Check meter cable: Inspect the cable from the flow meter to the PCB for damage. Wiggle the cable gently while watching the display; intermittent readings indicate a bad cable or connector.
• 4. Perform a flow test: Run water at a steady rate and compare the displayed flow to an external flow meter or timed bucket test. Large discrepancies suggest a faulty or mis-calibrated meter.
• 5. Replace components as needed: If programming is correct and wiring is intact but E06 persists, replace the AquaHouse meter cable first, then the flow sensor, and finally the main control board if necessary.