Amfa4000 Residual Brine in Service Water

Water from Amfa4000 has a salty taste after regeneration

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Insufficient rinse time programmed, Brine valve leaking during service, Drain line restriction reducing rinse flow, Incorrect injector size

How to Fix / Troubleshooting

Safety first: Do not drink water that tastes strongly of salt. Use an alternate supply until resolved.

  • 1. Increase rinse duration: Extend the fast rinse time in the Amfa4000 settings to ensure all brine is flushed from the resin bed.
  • 2. Check drain flow: Confirm the drain line is not restricted and that strong flow occurs during rinse stages.
  • 3. Inspect brine valve: Ensure the brine valve fully closes at the end of brine draw; service or replace if it leaks.

If salty taste persists, have a technician verify injector sizing and valve operation.

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Repair Difficulty

Medium 3/5

Required Part

Amfa4000 Brine Valve Kit
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