Sencor Thermal Overload Trip

Humidifier or dehumidifier shuts off unexpectedly and will not turn back on until cooled

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

Blocked ventilation, Fan failure, Defective thermal protector on motor or transformer, Operation in high ambient temperature

Safety: Unplug the unit and allow it to cool fully.

Steps:

Improve ventilation: Ensure at least 20–30 cm clearance around the unit and that vents are not blocked.
Check fan operation: Confirm the fan runs whenever the unit is on. Replace the fan motor if not.
Clean dust: Remove dust from vents, coils, and internal components.
Thermal protector: If the thermal protector is weak and trips at normal temperatures, replace the protector or the affected motor/transformer assembly.

Medium 3/5

Fan Motor Assembly

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