Magic Chef Unstable Power or Control Board Memory Issue

Microwave clock loses time or resets intermittently.

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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

Loose power cord connection, Fluctuating household voltage, Failing control board backup circuit, Internal power supply instability

How to Fix / Troubleshooting

Basic checks:

  • Ensure the power cord is firmly plugged into a properly grounded outlet.
  • Avoid using long extension cords or power strips; plug directly into the wall.
  • Monitor if resets coincide with other heavy appliances turning on (possible voltage drop).

Internal checks (technician):

  • Inspect the control board for failing capacitors or heat damage.
  • Check for loose connectors on the board.

Corrective actions:

  • If household power is stable, replace the main control board to correct memory and clock issues.
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Repair Difficulty

Medium 3/5

Required Part

Main Control Board
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