E19
MasterChef Low Line Voltage / Power Input Error

Microwave displays E19 and stops; may coincide with interior light flickering.

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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

Undervoltage at wall outlet, Overloaded circuit, Loose power cord connection inside unit, Faulty noise filter board

How to Fix / Troubleshooting

Safety first: Unplug the microwave before opening any panels.

Steps:

  • 1. Test outlet: Plug the microwave directly into a dedicated wall outlet. Avoid power strips and extension cords.
  • 2. Check circuit load: Ensure no other heavy appliances (toaster oven, kettle, etc.) are on the same circuit when using the microwave.
  • 3. Try another outlet: If possible, test the microwave on a different circuit to see if E19 disappears.
  • 4. Internal check (experienced DIYers): Inspect the power cord connections and noise filter board for loose terminals or signs of overheating.

Note: Persistent E19 on multiple outlets may indicate a failing noise filter or control board power supply.

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Repair Difficulty

Medium 3/5

Required Part

Noise Filter Board
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