E06
Grünbeck Brine Level / Salt Sensor Fault

Display shows E06 and the unit does not measure salt consumption correctly

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Possible Causes

Salt level sensor contaminated, Cable to salt sensor disconnected, Sensor corroded by brine, Incorrect sensor mounting height

How to Fix / Troubleshooting

Safety: Disconnect power. Wear gloves and eye protection when working around brine.

  • Locate sensor: On many Grünbeck softeners with automatic salt monitoring, a level sensor is mounted in or above the brine tank.
  • Check wiring: Inspect the cable and connector for corrosion or damage. Clean light corrosion with contact cleaner and reconnect firmly.
  • Clean sensor: Remove the sensor from the brine tank. Rinse with warm fresh water to remove salt crusts. Do not scrape with metal tools.
  • Verify mounting: Ensure the sensor is installed at the specified height and orientation according to the manual so that it correctly detects low salt level.
  • Reset alarm: Reinstall the sensor, reconnect power, and follow the control menu to reset or acknowledge the salt sensor error. If the error persists, replace the salt level sensor.
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Repair Difficulty

Easy 2/5

Required Part

Salt Level Sensor
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