Brandt Unstable Power Supply or Control Board Power Fault

Refrigerator cycles on and off rapidly, display flickers or resets

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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 plug, Faulty outlet, Failing control board power supply, Voltage fluctuations

How to Fix / Troubleshooting

Safety first: Avoid touching live outlets; turn off power at the breaker if inspecting the outlet.

Step 1 – Check power connection:

  • Ensure the plug is firmly inserted into the outlet.
  • Test the outlet with another appliance to confirm stable power.

Step 2 – Avoid extension cords:

  • Plug the refrigerator directly into a dedicated wall outlet.

Step 3 – Inspect control board:

  • If power supply is stable, the internal power supply on the main board may be failing.
  • Replace the main control board if flickering and resets persist.
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Repair Difficulty

Medium 3/5

Required Part

Main Control Board
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