Medisana
Refrigeration System Failure or Low Refrigerant
Dehumidifier runs but does not collect water; humidity does not decrease.
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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
Refrigerant leak in sealed system, Weak compressor, Severely blocked condenser or evaporator, Faulty expansion device (capillary tube)
How to Fix / Troubleshooting
Safety: Unplug the unit before touching internal components. Do not attempt to open the sealed refrigerant system yourself.
- Check coil temperatures: After running for 15–20 minutes, the evaporator should be cool and may have light condensation, while the condenser should be warm. If both are at room temperature, the refrigeration system is not working.
- Clean coils and filter: Ensure the air filter and coils are clean to allow proper heat exchange.
- Listen to compressor: If the compressor does not run or cycles rapidly, there may be an electrical or mechanical fault.
- Professional service: Refrigerant issues require specialized tools and must be handled by a certified technician. Contact Medisana service or a qualified appliance technician for sealed system diagnosis and repair.
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Repair Difficulty
Professional Required
5/5
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