North Star Automatic Regeneration Failure

Softener will not start regeneration automatically at scheduled time

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Possible Causes

Incorrect time-of-day setting, Regeneration time set to OFF, Control board timer failure, Power interruptions resetting clock

How to Fix / Troubleshooting

Safety: No internal electrical work should be done with the unit plugged in. Unplug before removing covers.

  • 1. Check time and schedule: Verify the current time-of-day is set correctly and the regeneration time is enabled (not set to OFF).
  • 2. Confirm metered vs. timed mode: Ensure the control is programmed for the correct regeneration mode (demand-initiated vs. time clock) per your usage.
  • 3. Check for power loss: If the clock frequently resets, move the plug to a stable outlet and consider a small UPS or surge protector.
  • 4. Manual test: Start a manual regeneration. If it runs correctly, but never starts automatically, the electronic control board timer circuit may be failing and require replacement.
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Repair Difficulty

Easy 2/5

Required Part

Electronic Control Board
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