Ebac Under-Capacity or Control Calibration Issue

Unit runs but room humidity does not decrease to setpoint

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Possible Causes

Room size exceeds unit capacity, Excessive moisture load (e.g., water ingress), Humidity sensor out of calibration, Air leaks around doors/windows

How to Fix / Troubleshooting

Safety: No internal electrical work is required for basic checks.

Steps:

  • 1. Verify capacity: Compare the Ebac model's rated extraction (litres/day) to the room size and moisture load. A small unit may not handle a large, damp basement.
  • 2. Reduce moisture sources: Fix leaks, improve drainage, and cover open water sources. Use exhaust fans in kitchens and bathrooms.
  • 3. Seal the space: Close windows and doors while the dehumidifier is running. Seal obvious air leaks.
  • 4. Check sensor accuracy: Compare the unit's humidity reading with a separate hygrometer. If the unit reads significantly lower than actual, the humidity sensor may need replacement.
  • 5. Relocate unit: Place the dehumidifier centrally with good airflow, away from corners and obstructions.
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Repair Difficulty

Very Easy 1/5
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