Haier Overheat or Thermal Overload Trip

Dehumidifier runs briefly then shuts off; bucket is not full and no error code is shown.

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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

Dirty condenser coil, Blocked air vents, Failing fan motor, Weak compressor overload protector, High ambient temperature

How to Fix / Troubleshooting

Safety first: Unplug the unit and allow it to cool before touching internal parts.

  • Clean filter and coils: Remove and wash the air filter. Clean both evaporator and condenser coils with a soft brush or vacuum.
  • Check airflow: Ensure intake and exhaust grilles are not blocked. Provide adequate clearance around the unit.
  • Verify fan speed: Turn the unit on and observe the fan. It should run at a strong, steady speed. If it is slow or intermittent, the fan motor may be failing.
  • Ambient temperature: Move the unit to a cooler room if it is operating near the upper temperature limit.
  • Persistent short cycling: If the unit continues to shut off after a few minutes, the compressor overload or compressor itself may be failing. A technician should test these components.
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Repair Difficulty

Medium 3/5

Required Part

Fan Motor or Compressor Overload Protector
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