Sencor Random power loss / internal power supply instability

Unit shuts off unexpectedly and loses all settings; must be restarted manually.

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

Loose mains connection inside unit, Failing internal power supply components on PCB, Overheating of control board, Faulty power switch

Safety: Unplug before opening the housing.

Steps:

External checks: Ensure the plug fits tightly in the outlet and the cord is not being pulled.
Inspect power switch: If your Sencor model has a mechanical power switch, check for looseness or intermittent operation. Replace the power switch if faulty.
PCB inspection: Look for discoloration or heat damage on the main control board. If present, replace the main control board.
Ventilation: Ensure the control area is not blocked and can dissipate heat.

Medium 3/5

Main Control Board

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