EC
Klarstein Refrigerant System / Sensor Error (Generic)

Dehumidifier shows EC and stops; compressor does not run.

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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

Abnormal refrigerant pressure detected, Evaporator or condenser sensor out of range, Blocked airflow causing extreme temperatures, Faulty pressure or temperature sensor input on PCB

How to Fix / Troubleshooting

Safety: Unplug the unit. Do not open or cut refrigerant lines.

  • Clean filters and coils: Remove and wash the air filter. Vacuum dust from both evaporator and condenser coils.
  • Check fan operation: Ensure the fan runs at full speed when the unit is on. Replace the fan motor if it is slow or intermittent.
  • Inspect sensors: Verify that evaporator and condenser NTC sensors are properly attached and wiring is intact.
  • Professional service: If EC persists after airflow and sensor checks, the sealed system (refrigerant charge, compressor, or pressure sensor) may be at fault. Contact a qualified refrigeration technician.
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Repair Difficulty

Professional Required 5/5

Required Part

Evaporator NTC Temperature Sensor
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