Klarstein
Excessive Frost / Defrost Failure
Dehumidifier ice builds up heavily on the evaporator coil and unit stops collecting water.
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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
Defective defrost sensor, Poor airflow due to dirty filter or fan issue, Room temperature too low, Low refrigerant charge
How to Fix / Troubleshooting
Safety: Unplug the unit and allow all ice to melt before working on it.
- Defrost completely: Leave the unit off with covers open until all ice has melted. Place towels to catch water.
- Clean airflow path: Wash the air filter and vacuum the evaporator and condenser coils.
- Check fan operation: Ensure the fan runs at full speed; replace if weak.
- Inspect defrost sensor: Verify the defrost NTC is properly attached and replace if faulty as described earlier.
- Check room temperature: Move the unit to a warmer room if ambient temperature is below the specified minimum.
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Repair Difficulty
Medium
3/5
Required Part
Defrost NTC Sensor
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