Tosot Short Cycling / Control or Sensor Issue

Dehumidifier short cycles, turning on and off every few minutes without reaching set humidity.

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.

Possible Causes

Humidity sensor located too close to discharge air, Oversized unit for small room, Faulty humidity sensor, Control board hysteresis too narrow or defective

How to Fix / Troubleshooting

Steps:

Relocate unit: Move the dehumidifier away from corners and ensure it is not blowing directly onto the humidity sensor area.
Adjust setpoint: Set humidity a bit lower to increase run time.
Sensor inspection: Check the humidity sensor for proper mounting and cleanliness. Replace if readings are unstable.
Board replacement: If short cycling persists with a new sensor, the main control board may need replacement.

Repair Difficulty

Medium 3/5

Required Part

Humidity Sensor Assembly

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